<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0"
	xmlns:content="http://purl.org/rss/1.0/modules/content/"
	xmlns:wfw="http://wellformedweb.org/CommentAPI/"
	xmlns:dc="http://purl.org/dc/elements/1.1/"
	xmlns:atom="http://www.w3.org/2005/Atom"
	xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
	xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
	xmlns:series="http://unfoldingneurons.com/"
	>

<channel>
	<title>ChEnected &#124; Engineers talk chemicals, bio, safety, energy, sustainability. &#187; Challenge Questions</title>
	<atom:link href="http://chenected.aiche.org/challenge-questions/feed/" rel="self" type="application/rss+xml" />
	<link>http://chenected.aiche.org</link>
	<description>AIChE&#039;s Engineering Community - chemical, bio, process safety, sustainability, energy.</description>
	<lastBuildDate>Fri, 17 May 2013 18:00:23 +0000</lastBuildDate>
	<language>en</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.0.1</generator>
		<item>
		<title>BUY ZOPICLONE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/energy/challenge-question-specific-heats/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/energy/challenge-question-specific-heats/#comments</comments>
		<pubDate>Tue, 04 Sep 2012 03:20:23 +0000</pubDate>
		<dc:creator>Kilean Lucas</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Energy]]></category>
		<category><![CDATA[challenge question]]></category>
		<category><![CDATA[District heating]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=48756</guid>
		<description><![CDATA[So, are the heated sidewalks a good choice for the snowy Montana town? Check out the solution, provided by Vinith Bejugam of the University of Arkansas. 


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/energy/challenge-question-specific-heats/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>VALTREX FOR SALE</title>
		<link>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#comments</comments>
		<pubDate>Wed, 18 Jul 2012 12:00:47 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[hydrostatic pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=47205</guid>
		<description><![CDATA[Congratulations to Scott Kolodziej for being the first to submit a correct answer to the challenge question! And thanks to everyone who participated. 


Related posts:<ol><li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>BUY DALMANE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#comments</comments>
		<pubDate>Thu, 17 Nov 2011 13:30:49 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Siphon]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=31044</guid>
		<description><![CDATA[With gas prices soaring, several friends decide to save money by siphoning gas from other people’s vehicles. They need to siphon 40L of gas in order for the group to have enough for their mopeds for the week. Sunday night, they were siphoning gas out of a large truck at the local market.


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>What rate is needed for turbulent flow? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#comments</comments>
		<pubDate>Tue, 12 Oct 2010 17:28:50 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[tubular membrane]]></category>
		<category><![CDATA[turbulent flow]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=6223</guid>
		<description><![CDATA[<p>Given a tubular membrane 4 inches in diameter what flow rate is needed
for turbulent flow?</p>
See Answer Below.
<p>
</p>
<p>Facts:</p>

A desalinization plant has upgraded to a new micro filtration system as part of its pretreatment of sea water.
The new system uses a tubular membrane, four inches in diameter.
Turbulent flow conditions must exist within [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#comments</comments>
		<pubDate>Thu, 02 Sep 2010 14:25:32 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=4509</guid>
		<description><![CDATA[<p>In the movie &#8220;The Drowning Pool&#8221;, private detective Lew Harper (payed by Paul Newman) is trapped by the bad guy in a room containing a swimming pool.</p>
<p>This challenge is solved. See the solution below&#8230;</p>
<p></p>

The room may be considered rectangular, 5 meters wide by 15 meters long, with a skylight window [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>When Coffee Novels and Chemicals Collide [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#comments</comments>
		<pubDate>Wed, 04 Aug 2010 15:14:20 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=3833</guid>
		<description><![CDATA[<p></p>
<p>Challenge Solved (See Answer Below)</p>
<p>Things were going smoothly at the Breaux Bridge Drug Co. pilot plant during the midnight to 8 a.m. shift until Therese Lagniappe, the reactor operator, let the run instruction sheet get too close to the Coleman stove that was being used to heat water to prepare [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>The Mystery Cylinder [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#comments</comments>
		<pubDate>Wed, 07 Jul 2010 15:53:41 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Chemicals]]></category>
		<category><![CDATA[Gases]]></category>
		<category><![CDATA[hydrogen]]></category>
		<category><![CDATA[mystery gas]]></category>
		<category><![CDATA[Nitrogen]]></category>
		<category><![CDATA[Oxygen]]></category>
		<category><![CDATA[Pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=2926</guid>
		<description><![CDATA[CHALLENGE SOLVED: (See the Answer Below!)
Can you identify the mystery gas?
<p>The label has come off a cylinder of gas in your laboratory. You know only that one species of gas is contained in the cylinder, but you do not know whether it is hydrogen, oxygen or nitrogen.</p>

To find out, you [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Why Knights Should Have Been Trained in Heat and Mass Transfer [Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#comments</comments>
		<pubDate>Thu, 29 Apr 2010 17:10:37 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Biot number]]></category>
		<category><![CDATA[melting point]]></category>
		<category><![CDATA[Science Fiction and Fantasy]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=1247</guid>
		<description><![CDATA[[caption id="attachment_1249" align="alignleft" width="200" caption="Hot Dragon Breath"][/caption]
CHALLENGE QUESTION: (See the Answer Below!)
How long could a knight survive against a fire-breathing dragon?

Background:
As a knight you do this all the time, fight dragons that is. But finding yourself engulfed in a dragons fiery breath, you are beginning to question that career move. [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/video/what-can-a-hot-potato-tell-you-about-heat-transfer/' rel='bookmark' title='Permanent Link: What Can a Hot Potato Teach You about Heat Transfer?'>What Can a Hot Potato Teach You about Heat Transfer?</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Can the hydraulic system you designed power a gurney through Guatemala?</title>
	<atom:link href="http://chenected.aiche.org/challenge-questions/feed/" rel="self" type="application/rss+xml" />
	<link>http://chenected.aiche.org</link>
	<description>AIChE&#039;s Engineering Community - chemical, bio, process safety, sustainability, energy.</description>
	<lastBuildDate>Fri, 17 May 2013 18:00:23 +0000</lastBuildDate>
	<language>en</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.0.1</generator>
		<item>
		<title>ChEnected &#124; Engineers talk chemicals, bio, safety, energy, sustainability. &#187; Challenge Questions</title>
	<atom:link href="http://chenected.aiche.org/challenge-questions/feed/" rel="self" type="application/rss+xml" />
	<link>http://chenected.aiche.org</link>
	<description>AIChE&#039;s Engineering Community - chemical, bio, process safety, sustainability, energy.</description>
	<lastBuildDate>Fri, 17 May 2013 18:00:23 +0000</lastBuildDate>
	<language>en</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.0.1</generator>
		<item>
		<title>BUY ZOPICLONE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/energy/challenge-question-specific-heats/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/energy/challenge-question-specific-heats/#comments</comments>
		<pubDate>Tue, 04 Sep 2012 03:20:23 +0000</pubDate>
		<dc:creator>Kilean Lucas</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Energy]]></category>
		<category><![CDATA[challenge question]]></category>
		<category><![CDATA[District heating]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=48756</guid>
		<description><![CDATA[So, are the heated sidewalks a good choice for the snowy Montana town? Check out the solution, provided by Vinith Bejugam of the University of Arkansas. 


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/energy/challenge-question-specific-heats/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>VALTREX FOR SALE</title>
		<link>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#comments</comments>
		<pubDate>Wed, 18 Jul 2012 12:00:47 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[hydrostatic pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=47205</guid>
		<description><![CDATA[Congratulations to Scott Kolodziej for being the first to submit a correct answer to the challenge question! And thanks to everyone who participated. 


Related posts:<ol><li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>BUY DALMANE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#comments</comments>
		<pubDate>Thu, 17 Nov 2011 13:30:49 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Siphon]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=31044</guid>
		<description><![CDATA[With gas prices soaring, several friends decide to save money by siphoning gas from other people’s vehicles. They need to siphon 40L of gas in order for the group to have enough for their mopeds for the week. Sunday night, they were siphoning gas out of a large truck at the local market.


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>What rate is needed for turbulent flow? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#comments</comments>
		<pubDate>Tue, 12 Oct 2010 17:28:50 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[tubular membrane]]></category>
		<category><![CDATA[turbulent flow]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=6223</guid>
		<description><![CDATA[<p>Given a tubular membrane 4 inches in diameter what flow rate is needed
for turbulent flow?</p>
See Answer Below.
<p>
</p>
<p>Facts:</p>

A desalinization plant has upgraded to a new micro filtration system as part of its pretreatment of sea water.
The new system uses a tubular membrane, four inches in diameter.
Turbulent flow conditions must exist within [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#comments</comments>
		<pubDate>Thu, 02 Sep 2010 14:25:32 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=4509</guid>
		<description><![CDATA[<p>In the movie &#8220;The Drowning Pool&#8221;, private detective Lew Harper (payed by Paul Newman) is trapped by the bad guy in a room containing a swimming pool.</p>
<p>This challenge is solved. See the solution below&#8230;</p>
<p></p>

The room may be considered rectangular, 5 meters wide by 15 meters long, with a skylight window [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>When Coffee Novels and Chemicals Collide [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#comments</comments>
		<pubDate>Wed, 04 Aug 2010 15:14:20 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=3833</guid>
		<description><![CDATA[<p></p>
<p>Challenge Solved (See Answer Below)</p>
<p>Things were going smoothly at the Breaux Bridge Drug Co. pilot plant during the midnight to 8 a.m. shift until Therese Lagniappe, the reactor operator, let the run instruction sheet get too close to the Coleman stove that was being used to heat water to prepare [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>The Mystery Cylinder [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#comments</comments>
		<pubDate>Wed, 07 Jul 2010 15:53:41 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Chemicals]]></category>
		<category><![CDATA[Gases]]></category>
		<category><![CDATA[hydrogen]]></category>
		<category><![CDATA[mystery gas]]></category>
		<category><![CDATA[Nitrogen]]></category>
		<category><![CDATA[Oxygen]]></category>
		<category><![CDATA[Pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=2926</guid>
		<description><![CDATA[CHALLENGE SOLVED: (See the Answer Below!)
Can you identify the mystery gas?
<p>The label has come off a cylinder of gas in your laboratory. You know only that one species of gas is contained in the cylinder, but you do not know whether it is hydrogen, oxygen or nitrogen.</p>

To find out, you [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Why Knights Should Have Been Trained in Heat and Mass Transfer [Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#comments</comments>
		<pubDate>Thu, 29 Apr 2010 17:10:37 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Biot number]]></category>
		<category><![CDATA[melting point]]></category>
		<category><![CDATA[Science Fiction and Fantasy]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=1247</guid>
		<description><![CDATA[[caption id="attachment_1249" align="alignleft" width="200" caption="Hot Dragon Breath"][/caption]
CHALLENGE QUESTION: (See the Answer Below!)
How long could a knight survive against a fire-breathing dragon?

Background:
As a knight you do this all the time, fight dragons that is. But finding yourself engulfed in a dragons fiery breath, you are beginning to question that career move. [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/video/what-can-a-hot-potato-tell-you-about-heat-transfer/' rel='bookmark' title='Permanent Link: What Can a Hot Potato Teach You about Heat Transfer?'>What Can a Hot Potato Teach You about Heat Transfer?</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Can the hydraulic system you designed power a gurney through Guatemala?</title>
		<link>http://chenected.aiche.org/energy/challenge-question-specific-heats/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/energy/challenge-question-specific-heats/#comments</comments>
		<pubDate>Tue, 04 Sep 2012 03:20:23 +0000</pubDate>
		<dc:creator>Kilean Lucas</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Energy]]></category>
		<category><![CDATA[challenge question]]></category>
		<category><![CDATA[District heating]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=48756</guid>
		<description><![CDATA[So, are the heated sidewalks a good choice for the snowy Montana town? Check out the solution, provided by Vinith Bejugam of the University of Arkansas. 


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/energy/challenge-question-specific-heats/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>ChEnected &#124; Engineers talk chemicals, bio, safety, energy, sustainability. &#187; Challenge Questions</title>
	<atom:link href="http://chenected.aiche.org/challenge-questions/feed/" rel="self" type="application/rss+xml" />
	<link>http://chenected.aiche.org</link>
	<description>AIChE&#039;s Engineering Community - chemical, bio, process safety, sustainability, energy.</description>
	<lastBuildDate>Fri, 17 May 2013 18:00:23 +0000</lastBuildDate>
	<language>en</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.0.1</generator>
		<item>
		<title>BUY ZOPICLONE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/energy/challenge-question-specific-heats/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/energy/challenge-question-specific-heats/#comments</comments>
		<pubDate>Tue, 04 Sep 2012 03:20:23 +0000</pubDate>
		<dc:creator>Kilean Lucas</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Energy]]></category>
		<category><![CDATA[challenge question]]></category>
		<category><![CDATA[District heating]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=48756</guid>
		<description><![CDATA[So, are the heated sidewalks a good choice for the snowy Montana town? Check out the solution, provided by Vinith Bejugam of the University of Arkansas. 


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/energy/challenge-question-specific-heats/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>VALTREX FOR SALE</title>
		<link>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#comments</comments>
		<pubDate>Wed, 18 Jul 2012 12:00:47 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[hydrostatic pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=47205</guid>
		<description><![CDATA[Congratulations to Scott Kolodziej for being the first to submit a correct answer to the challenge question! And thanks to everyone who participated. 


Related posts:<ol><li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>BUY DALMANE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#comments</comments>
		<pubDate>Thu, 17 Nov 2011 13:30:49 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Siphon]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=31044</guid>
		<description><![CDATA[With gas prices soaring, several friends decide to save money by siphoning gas from other people’s vehicles. They need to siphon 40L of gas in order for the group to have enough for their mopeds for the week. Sunday night, they were siphoning gas out of a large truck at the local market.


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>What rate is needed for turbulent flow? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#comments</comments>
		<pubDate>Tue, 12 Oct 2010 17:28:50 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[tubular membrane]]></category>
		<category><![CDATA[turbulent flow]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=6223</guid>
		<description><![CDATA[<p>Given a tubular membrane 4 inches in diameter what flow rate is needed
for turbulent flow?</p>
See Answer Below.
<p>
</p>
<p>Facts:</p>

A desalinization plant has upgraded to a new micro filtration system as part of its pretreatment of sea water.
The new system uses a tubular membrane, four inches in diameter.
Turbulent flow conditions must exist within [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#comments</comments>
		<pubDate>Thu, 02 Sep 2010 14:25:32 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=4509</guid>
		<description><![CDATA[<p>In the movie &#8220;The Drowning Pool&#8221;, private detective Lew Harper (payed by Paul Newman) is trapped by the bad guy in a room containing a swimming pool.</p>
<p>This challenge is solved. See the solution below&#8230;</p>
<p></p>

The room may be considered rectangular, 5 meters wide by 15 meters long, with a skylight window [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>When Coffee Novels and Chemicals Collide [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#comments</comments>
		<pubDate>Wed, 04 Aug 2010 15:14:20 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=3833</guid>
		<description><![CDATA[<p></p>
<p>Challenge Solved (See Answer Below)</p>
<p>Things were going smoothly at the Breaux Bridge Drug Co. pilot plant during the midnight to 8 a.m. shift until Therese Lagniappe, the reactor operator, let the run instruction sheet get too close to the Coleman stove that was being used to heat water to prepare [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>The Mystery Cylinder [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#comments</comments>
		<pubDate>Wed, 07 Jul 2010 15:53:41 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Chemicals]]></category>
		<category><![CDATA[Gases]]></category>
		<category><![CDATA[hydrogen]]></category>
		<category><![CDATA[mystery gas]]></category>
		<category><![CDATA[Nitrogen]]></category>
		<category><![CDATA[Oxygen]]></category>
		<category><![CDATA[Pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=2926</guid>
		<description><![CDATA[CHALLENGE SOLVED: (See the Answer Below!)
Can you identify the mystery gas?
<p>The label has come off a cylinder of gas in your laboratory. You know only that one species of gas is contained in the cylinder, but you do not know whether it is hydrogen, oxygen or nitrogen.</p>

To find out, you [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Why Knights Should Have Been Trained in Heat and Mass Transfer [Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#comments</comments>
		<pubDate>Thu, 29 Apr 2010 17:10:37 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Biot number]]></category>
		<category><![CDATA[melting point]]></category>
		<category><![CDATA[Science Fiction and Fantasy]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=1247</guid>
		<description><![CDATA[[caption id="attachment_1249" align="alignleft" width="200" caption="Hot Dragon Breath"][/caption]
CHALLENGE QUESTION: (See the Answer Below!)
How long could a knight survive against a fire-breathing dragon?

Background:
As a knight you do this all the time, fight dragons that is. But finding yourself engulfed in a dragons fiery breath, you are beginning to question that career move. [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/video/what-can-a-hot-potato-tell-you-about-heat-transfer/' rel='bookmark' title='Permanent Link: What Can a Hot Potato Teach You about Heat Transfer?'>What Can a Hot Potato Teach You about Heat Transfer?</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Can the hydraulic system you designed power a gurney through Guatemala?</title>
		<link>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#comments</comments>
		<pubDate>Wed, 18 Jul 2012 12:00:47 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[hydrostatic pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=47205</guid>
		<description><![CDATA[Congratulations to Scott Kolodziej for being the first to submit a correct answer to the challenge question! And thanks to everyone who participated. 


Related posts:<ol><li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>ChEnected &#124; Engineers talk chemicals, bio, safety, energy, sustainability. &#187; Challenge Questions</title>
	<atom:link href="http://chenected.aiche.org/challenge-questions/feed/" rel="self" type="application/rss+xml" />
	<link>http://chenected.aiche.org</link>
	<description>AIChE&#039;s Engineering Community - chemical, bio, process safety, sustainability, energy.</description>
	<lastBuildDate>Fri, 17 May 2013 18:00:23 +0000</lastBuildDate>
	<language>en</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.0.1</generator>
		<item>
		<title>BUY ZOPICLONE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/energy/challenge-question-specific-heats/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/energy/challenge-question-specific-heats/#comments</comments>
		<pubDate>Tue, 04 Sep 2012 03:20:23 +0000</pubDate>
		<dc:creator>Kilean Lucas</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Energy]]></category>
		<category><![CDATA[challenge question]]></category>
		<category><![CDATA[District heating]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=48756</guid>
		<description><![CDATA[So, are the heated sidewalks a good choice for the snowy Montana town? Check out the solution, provided by Vinith Bejugam of the University of Arkansas. 


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/energy/challenge-question-specific-heats/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>VALTREX FOR SALE</title>
		<link>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#comments</comments>
		<pubDate>Wed, 18 Jul 2012 12:00:47 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[hydrostatic pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=47205</guid>
		<description><![CDATA[Congratulations to Scott Kolodziej for being the first to submit a correct answer to the challenge question! And thanks to everyone who participated. 


Related posts:<ol><li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>BUY DALMANE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#comments</comments>
		<pubDate>Thu, 17 Nov 2011 13:30:49 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Siphon]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=31044</guid>
		<description><![CDATA[With gas prices soaring, several friends decide to save money by siphoning gas from other people’s vehicles. They need to siphon 40L of gas in order for the group to have enough for their mopeds for the week. Sunday night, they were siphoning gas out of a large truck at the local market.


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>What rate is needed for turbulent flow? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#comments</comments>
		<pubDate>Tue, 12 Oct 2010 17:28:50 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[tubular membrane]]></category>
		<category><![CDATA[turbulent flow]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=6223</guid>
		<description><![CDATA[<p>Given a tubular membrane 4 inches in diameter what flow rate is needed
for turbulent flow?</p>
See Answer Below.
<p>
</p>
<p>Facts:</p>

A desalinization plant has upgraded to a new micro filtration system as part of its pretreatment of sea water.
The new system uses a tubular membrane, four inches in diameter.
Turbulent flow conditions must exist within [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#comments</comments>
		<pubDate>Thu, 02 Sep 2010 14:25:32 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=4509</guid>
		<description><![CDATA[<p>In the movie &#8220;The Drowning Pool&#8221;, private detective Lew Harper (payed by Paul Newman) is trapped by the bad guy in a room containing a swimming pool.</p>
<p>This challenge is solved. See the solution below&#8230;</p>
<p></p>

The room may be considered rectangular, 5 meters wide by 15 meters long, with a skylight window [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>When Coffee Novels and Chemicals Collide [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#comments</comments>
		<pubDate>Wed, 04 Aug 2010 15:14:20 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=3833</guid>
		<description><![CDATA[<p></p>
<p>Challenge Solved (See Answer Below)</p>
<p>Things were going smoothly at the Breaux Bridge Drug Co. pilot plant during the midnight to 8 a.m. shift until Therese Lagniappe, the reactor operator, let the run instruction sheet get too close to the Coleman stove that was being used to heat water to prepare [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>The Mystery Cylinder [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#comments</comments>
		<pubDate>Wed, 07 Jul 2010 15:53:41 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Chemicals]]></category>
		<category><![CDATA[Gases]]></category>
		<category><![CDATA[hydrogen]]></category>
		<category><![CDATA[mystery gas]]></category>
		<category><![CDATA[Nitrogen]]></category>
		<category><![CDATA[Oxygen]]></category>
		<category><![CDATA[Pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=2926</guid>
		<description><![CDATA[CHALLENGE SOLVED: (See the Answer Below!)
Can you identify the mystery gas?
<p>The label has come off a cylinder of gas in your laboratory. You know only that one species of gas is contained in the cylinder, but you do not know whether it is hydrogen, oxygen or nitrogen.</p>

To find out, you [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Why Knights Should Have Been Trained in Heat and Mass Transfer [Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#comments</comments>
		<pubDate>Thu, 29 Apr 2010 17:10:37 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Biot number]]></category>
		<category><![CDATA[melting point]]></category>
		<category><![CDATA[Science Fiction and Fantasy]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=1247</guid>
		<description><![CDATA[[caption id="attachment_1249" align="alignleft" width="200" caption="Hot Dragon Breath"][/caption]
CHALLENGE QUESTION: (See the Answer Below!)
How long could a knight survive against a fire-breathing dragon?

Background:
As a knight you do this all the time, fight dragons that is. But finding yourself engulfed in a dragons fiery breath, you are beginning to question that career move. [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/video/what-can-a-hot-potato-tell-you-about-heat-transfer/' rel='bookmark' title='Permanent Link: What Can a Hot Potato Teach You about Heat Transfer?'>What Can a Hot Potato Teach You about Heat Transfer?</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Can the hydraulic system you designed power a gurney through Guatemala?</title>
		<link>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#comments</comments>
		<pubDate>Thu, 17 Nov 2011 13:30:49 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Siphon]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=31044</guid>
		<description><![CDATA[With gas prices soaring, several friends decide to save money by siphoning gas from other people’s vehicles. They need to siphon 40L of gas in order for the group to have enough for their mopeds for the week. Sunday night, they were siphoning gas out of a large truck at the local market.


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>ChEnected &#124; Engineers talk chemicals, bio, safety, energy, sustainability. &#187; Challenge Questions</title>
	<atom:link href="http://chenected.aiche.org/challenge-questions/feed/" rel="self" type="application/rss+xml" />
	<link>http://chenected.aiche.org</link>
	<description>AIChE&#039;s Engineering Community - chemical, bio, process safety, sustainability, energy.</description>
	<lastBuildDate>Fri, 17 May 2013 18:00:23 +0000</lastBuildDate>
	<language>en</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.0.1</generator>
		<item>
		<title>BUY ZOPICLONE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/energy/challenge-question-specific-heats/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/energy/challenge-question-specific-heats/#comments</comments>
		<pubDate>Tue, 04 Sep 2012 03:20:23 +0000</pubDate>
		<dc:creator>Kilean Lucas</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Energy]]></category>
		<category><![CDATA[challenge question]]></category>
		<category><![CDATA[District heating]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=48756</guid>
		<description><![CDATA[So, are the heated sidewalks a good choice for the snowy Montana town? Check out the solution, provided by Vinith Bejugam of the University of Arkansas. 


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/energy/challenge-question-specific-heats/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>VALTREX FOR SALE</title>
		<link>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#comments</comments>
		<pubDate>Wed, 18 Jul 2012 12:00:47 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[hydrostatic pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=47205</guid>
		<description><![CDATA[Congratulations to Scott Kolodziej for being the first to submit a correct answer to the challenge question! And thanks to everyone who participated. 


Related posts:<ol><li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>BUY DALMANE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#comments</comments>
		<pubDate>Thu, 17 Nov 2011 13:30:49 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Siphon]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=31044</guid>
		<description><![CDATA[With gas prices soaring, several friends decide to save money by siphoning gas from other people’s vehicles. They need to siphon 40L of gas in order for the group to have enough for their mopeds for the week. Sunday night, they were siphoning gas out of a large truck at the local market.


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>What rate is needed for turbulent flow? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#comments</comments>
		<pubDate>Tue, 12 Oct 2010 17:28:50 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[tubular membrane]]></category>
		<category><![CDATA[turbulent flow]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=6223</guid>
		<description><![CDATA[<p>Given a tubular membrane 4 inches in diameter what flow rate is needed
for turbulent flow?</p>
See Answer Below.
<p>
</p>
<p>Facts:</p>

A desalinization plant has upgraded to a new micro filtration system as part of its pretreatment of sea water.
The new system uses a tubular membrane, four inches in diameter.
Turbulent flow conditions must exist within [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#comments</comments>
		<pubDate>Thu, 02 Sep 2010 14:25:32 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=4509</guid>
		<description><![CDATA[<p>In the movie &#8220;The Drowning Pool&#8221;, private detective Lew Harper (payed by Paul Newman) is trapped by the bad guy in a room containing a swimming pool.</p>
<p>This challenge is solved. See the solution below&#8230;</p>
<p></p>

The room may be considered rectangular, 5 meters wide by 15 meters long, with a skylight window [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>When Coffee Novels and Chemicals Collide [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#comments</comments>
		<pubDate>Wed, 04 Aug 2010 15:14:20 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=3833</guid>
		<description><![CDATA[<p></p>
<p>Challenge Solved (See Answer Below)</p>
<p>Things were going smoothly at the Breaux Bridge Drug Co. pilot plant during the midnight to 8 a.m. shift until Therese Lagniappe, the reactor operator, let the run instruction sheet get too close to the Coleman stove that was being used to heat water to prepare [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>The Mystery Cylinder [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#comments</comments>
		<pubDate>Wed, 07 Jul 2010 15:53:41 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Chemicals]]></category>
		<category><![CDATA[Gases]]></category>
		<category><![CDATA[hydrogen]]></category>
		<category><![CDATA[mystery gas]]></category>
		<category><![CDATA[Nitrogen]]></category>
		<category><![CDATA[Oxygen]]></category>
		<category><![CDATA[Pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=2926</guid>
		<description><![CDATA[CHALLENGE SOLVED: (See the Answer Below!)
Can you identify the mystery gas?
<p>The label has come off a cylinder of gas in your laboratory. You know only that one species of gas is contained in the cylinder, but you do not know whether it is hydrogen, oxygen or nitrogen.</p>

To find out, you [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Why Knights Should Have Been Trained in Heat and Mass Transfer [Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#comments</comments>
		<pubDate>Thu, 29 Apr 2010 17:10:37 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Biot number]]></category>
		<category><![CDATA[melting point]]></category>
		<category><![CDATA[Science Fiction and Fantasy]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=1247</guid>
		<description><![CDATA[[caption id="attachment_1249" align="alignleft" width="200" caption="Hot Dragon Breath"][/caption]
CHALLENGE QUESTION: (See the Answer Below!)
How long could a knight survive against a fire-breathing dragon?

Background:
As a knight you do this all the time, fight dragons that is. But finding yourself engulfed in a dragons fiery breath, you are beginning to question that career move. [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/video/what-can-a-hot-potato-tell-you-about-heat-transfer/' rel='bookmark' title='Permanent Link: What Can a Hot Potato Teach You about Heat Transfer?'>What Can a Hot Potato Teach You about Heat Transfer?</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Can the hydraulic system you designed power a gurney through Guatemala?</title>
		<link>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#comments</comments>
		<pubDate>Tue, 12 Oct 2010 17:28:50 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[tubular membrane]]></category>
		<category><![CDATA[turbulent flow]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=6223</guid>
		<description><![CDATA[<p>Given a tubular membrane 4 inches in diameter what flow rate is needed
for turbulent flow?</p>
See Answer Below.
<p>
</p>
<p>Facts:</p>

A desalinization plant has upgraded to a new micro filtration system as part of its pretreatment of sea water.
The new system uses a tubular membrane, four inches in diameter.
Turbulent flow conditions must exist within [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>ChEnected &#124; Engineers talk chemicals, bio, safety, energy, sustainability. &#187; Challenge Questions</title>
	<atom:link href="http://chenected.aiche.org/challenge-questions/feed/" rel="self" type="application/rss+xml" />
	<link>http://chenected.aiche.org</link>
	<description>AIChE&#039;s Engineering Community - chemical, bio, process safety, sustainability, energy.</description>
	<lastBuildDate>Fri, 17 May 2013 18:00:23 +0000</lastBuildDate>
	<language>en</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.0.1</generator>
		<item>
		<title>BUY ZOPICLONE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/energy/challenge-question-specific-heats/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/energy/challenge-question-specific-heats/#comments</comments>
		<pubDate>Tue, 04 Sep 2012 03:20:23 +0000</pubDate>
		<dc:creator>Kilean Lucas</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Energy]]></category>
		<category><![CDATA[challenge question]]></category>
		<category><![CDATA[District heating]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=48756</guid>
		<description><![CDATA[So, are the heated sidewalks a good choice for the snowy Montana town? Check out the solution, provided by Vinith Bejugam of the University of Arkansas. 


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/energy/challenge-question-specific-heats/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>VALTREX FOR SALE</title>
		<link>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#comments</comments>
		<pubDate>Wed, 18 Jul 2012 12:00:47 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[hydrostatic pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=47205</guid>
		<description><![CDATA[Congratulations to Scott Kolodziej for being the first to submit a correct answer to the challenge question! And thanks to everyone who participated. 


Related posts:<ol><li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>BUY DALMANE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#comments</comments>
		<pubDate>Thu, 17 Nov 2011 13:30:49 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Siphon]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=31044</guid>
		<description><![CDATA[With gas prices soaring, several friends decide to save money by siphoning gas from other people’s vehicles. They need to siphon 40L of gas in order for the group to have enough for their mopeds for the week. Sunday night, they were siphoning gas out of a large truck at the local market.


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>What rate is needed for turbulent flow? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#comments</comments>
		<pubDate>Tue, 12 Oct 2010 17:28:50 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[tubular membrane]]></category>
		<category><![CDATA[turbulent flow]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=6223</guid>
		<description><![CDATA[<p>Given a tubular membrane 4 inches in diameter what flow rate is needed
for turbulent flow?</p>
See Answer Below.
<p>
</p>
<p>Facts:</p>

A desalinization plant has upgraded to a new micro filtration system as part of its pretreatment of sea water.
The new system uses a tubular membrane, four inches in diameter.
Turbulent flow conditions must exist within [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#comments</comments>
		<pubDate>Thu, 02 Sep 2010 14:25:32 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=4509</guid>
		<description><![CDATA[<p>In the movie &#8220;The Drowning Pool&#8221;, private detective Lew Harper (payed by Paul Newman) is trapped by the bad guy in a room containing a swimming pool.</p>
<p>This challenge is solved. See the solution below&#8230;</p>
<p></p>

The room may be considered rectangular, 5 meters wide by 15 meters long, with a skylight window [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>When Coffee Novels and Chemicals Collide [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#comments</comments>
		<pubDate>Wed, 04 Aug 2010 15:14:20 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=3833</guid>
		<description><![CDATA[<p></p>
<p>Challenge Solved (See Answer Below)</p>
<p>Things were going smoothly at the Breaux Bridge Drug Co. pilot plant during the midnight to 8 a.m. shift until Therese Lagniappe, the reactor operator, let the run instruction sheet get too close to the Coleman stove that was being used to heat water to prepare [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>The Mystery Cylinder [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#comments</comments>
		<pubDate>Wed, 07 Jul 2010 15:53:41 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Chemicals]]></category>
		<category><![CDATA[Gases]]></category>
		<category><![CDATA[hydrogen]]></category>
		<category><![CDATA[mystery gas]]></category>
		<category><![CDATA[Nitrogen]]></category>
		<category><![CDATA[Oxygen]]></category>
		<category><![CDATA[Pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=2926</guid>
		<description><![CDATA[CHALLENGE SOLVED: (See the Answer Below!)
Can you identify the mystery gas?
<p>The label has come off a cylinder of gas in your laboratory. You know only that one species of gas is contained in the cylinder, but you do not know whether it is hydrogen, oxygen or nitrogen.</p>

To find out, you [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Why Knights Should Have Been Trained in Heat and Mass Transfer [Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#comments</comments>
		<pubDate>Thu, 29 Apr 2010 17:10:37 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Biot number]]></category>
		<category><![CDATA[melting point]]></category>
		<category><![CDATA[Science Fiction and Fantasy]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=1247</guid>
		<description><![CDATA[[caption id="attachment_1249" align="alignleft" width="200" caption="Hot Dragon Breath"][/caption]
CHALLENGE QUESTION: (See the Answer Below!)
How long could a knight survive against a fire-breathing dragon?

Background:
As a knight you do this all the time, fight dragons that is. But finding yourself engulfed in a dragons fiery breath, you are beginning to question that career move. [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/video/what-can-a-hot-potato-tell-you-about-heat-transfer/' rel='bookmark' title='Permanent Link: What Can a Hot Potato Teach You about Heat Transfer?'>What Can a Hot Potato Teach You about Heat Transfer?</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Can the hydraulic system you designed power a gurney through Guatemala?</title>
		<link>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#comments</comments>
		<pubDate>Thu, 02 Sep 2010 14:25:32 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=4509</guid>
		<description><![CDATA[<p>In the movie &#8220;The Drowning Pool&#8221;, private detective Lew Harper (payed by Paul Newman) is trapped by the bad guy in a room containing a swimming pool.</p>
<p>This challenge is solved. See the solution below&#8230;</p>
<p></p>

The room may be considered rectangular, 5 meters wide by 15 meters long, with a skylight window [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>ChEnected &#124; Engineers talk chemicals, bio, safety, energy, sustainability. &#187; Challenge Questions</title>
	<atom:link href="http://chenected.aiche.org/challenge-questions/feed/" rel="self" type="application/rss+xml" />
	<link>http://chenected.aiche.org</link>
	<description>AIChE&#039;s Engineering Community - chemical, bio, process safety, sustainability, energy.</description>
	<lastBuildDate>Fri, 17 May 2013 18:00:23 +0000</lastBuildDate>
	<language>en</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.0.1</generator>
		<item>
		<title>BUY ZOPICLONE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/energy/challenge-question-specific-heats/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/energy/challenge-question-specific-heats/#comments</comments>
		<pubDate>Tue, 04 Sep 2012 03:20:23 +0000</pubDate>
		<dc:creator>Kilean Lucas</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Energy]]></category>
		<category><![CDATA[challenge question]]></category>
		<category><![CDATA[District heating]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=48756</guid>
		<description><![CDATA[So, are the heated sidewalks a good choice for the snowy Montana town? Check out the solution, provided by Vinith Bejugam of the University of Arkansas. 


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/energy/challenge-question-specific-heats/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>VALTREX FOR SALE</title>
		<link>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#comments</comments>
		<pubDate>Wed, 18 Jul 2012 12:00:47 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[hydrostatic pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=47205</guid>
		<description><![CDATA[Congratulations to Scott Kolodziej for being the first to submit a correct answer to the challenge question! And thanks to everyone who participated. 


Related posts:<ol><li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>BUY DALMANE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#comments</comments>
		<pubDate>Thu, 17 Nov 2011 13:30:49 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Siphon]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=31044</guid>
		<description><![CDATA[With gas prices soaring, several friends decide to save money by siphoning gas from other people’s vehicles. They need to siphon 40L of gas in order for the group to have enough for their mopeds for the week. Sunday night, they were siphoning gas out of a large truck at the local market.


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>What rate is needed for turbulent flow? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#comments</comments>
		<pubDate>Tue, 12 Oct 2010 17:28:50 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[tubular membrane]]></category>
		<category><![CDATA[turbulent flow]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=6223</guid>
		<description><![CDATA[<p>Given a tubular membrane 4 inches in diameter what flow rate is needed
for turbulent flow?</p>
See Answer Below.
<p>
</p>
<p>Facts:</p>

A desalinization plant has upgraded to a new micro filtration system as part of its pretreatment of sea water.
The new system uses a tubular membrane, four inches in diameter.
Turbulent flow conditions must exist within [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#comments</comments>
		<pubDate>Thu, 02 Sep 2010 14:25:32 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=4509</guid>
		<description><![CDATA[<p>In the movie &#8220;The Drowning Pool&#8221;, private detective Lew Harper (payed by Paul Newman) is trapped by the bad guy in a room containing a swimming pool.</p>
<p>This challenge is solved. See the solution below&#8230;</p>
<p></p>

The room may be considered rectangular, 5 meters wide by 15 meters long, with a skylight window [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>When Coffee Novels and Chemicals Collide [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#comments</comments>
		<pubDate>Wed, 04 Aug 2010 15:14:20 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=3833</guid>
		<description><![CDATA[<p></p>
<p>Challenge Solved (See Answer Below)</p>
<p>Things were going smoothly at the Breaux Bridge Drug Co. pilot plant during the midnight to 8 a.m. shift until Therese Lagniappe, the reactor operator, let the run instruction sheet get too close to the Coleman stove that was being used to heat water to prepare [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>The Mystery Cylinder [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#comments</comments>
		<pubDate>Wed, 07 Jul 2010 15:53:41 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Chemicals]]></category>
		<category><![CDATA[Gases]]></category>
		<category><![CDATA[hydrogen]]></category>
		<category><![CDATA[mystery gas]]></category>
		<category><![CDATA[Nitrogen]]></category>
		<category><![CDATA[Oxygen]]></category>
		<category><![CDATA[Pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=2926</guid>
		<description><![CDATA[CHALLENGE SOLVED: (See the Answer Below!)
Can you identify the mystery gas?
<p>The label has come off a cylinder of gas in your laboratory. You know only that one species of gas is contained in the cylinder, but you do not know whether it is hydrogen, oxygen or nitrogen.</p>

To find out, you [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Why Knights Should Have Been Trained in Heat and Mass Transfer [Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#comments</comments>
		<pubDate>Thu, 29 Apr 2010 17:10:37 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Biot number]]></category>
		<category><![CDATA[melting point]]></category>
		<category><![CDATA[Science Fiction and Fantasy]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=1247</guid>
		<description><![CDATA[[caption id="attachment_1249" align="alignleft" width="200" caption="Hot Dragon Breath"][/caption]
CHALLENGE QUESTION: (See the Answer Below!)
How long could a knight survive against a fire-breathing dragon?

Background:
As a knight you do this all the time, fight dragons that is. But finding yourself engulfed in a dragons fiery breath, you are beginning to question that career move. [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/video/what-can-a-hot-potato-tell-you-about-heat-transfer/' rel='bookmark' title='Permanent Link: What Can a Hot Potato Teach You about Heat Transfer?'>What Can a Hot Potato Teach You about Heat Transfer?</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Can the hydraulic system you designed power a gurney through Guatemala?</title>
		<link>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#comments</comments>
		<pubDate>Wed, 04 Aug 2010 15:14:20 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=3833</guid>
		<description><![CDATA[<p></p>
<p>Challenge Solved (See Answer Below)</p>
<p>Things were going smoothly at the Breaux Bridge Drug Co. pilot plant during the midnight to 8 a.m. shift until Therese Lagniappe, the reactor operator, let the run instruction sheet get too close to the Coleman stove that was being used to heat water to prepare [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>ChEnected &#124; Engineers talk chemicals, bio, safety, energy, sustainability. &#187; Challenge Questions</title>
	<atom:link href="http://chenected.aiche.org/challenge-questions/feed/" rel="self" type="application/rss+xml" />
	<link>http://chenected.aiche.org</link>
	<description>AIChE&#039;s Engineering Community - chemical, bio, process safety, sustainability, energy.</description>
	<lastBuildDate>Fri, 17 May 2013 18:00:23 +0000</lastBuildDate>
	<language>en</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.0.1</generator>
		<item>
		<title>BUY ZOPICLONE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/energy/challenge-question-specific-heats/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/energy/challenge-question-specific-heats/#comments</comments>
		<pubDate>Tue, 04 Sep 2012 03:20:23 +0000</pubDate>
		<dc:creator>Kilean Lucas</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Energy]]></category>
		<category><![CDATA[challenge question]]></category>
		<category><![CDATA[District heating]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=48756</guid>
		<description><![CDATA[So, are the heated sidewalks a good choice for the snowy Montana town? Check out the solution, provided by Vinith Bejugam of the University of Arkansas. 


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/energy/challenge-question-specific-heats/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>VALTREX FOR SALE</title>
		<link>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#comments</comments>
		<pubDate>Wed, 18 Jul 2012 12:00:47 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[hydrostatic pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=47205</guid>
		<description><![CDATA[Congratulations to Scott Kolodziej for being the first to submit a correct answer to the challenge question! And thanks to everyone who participated. 


Related posts:<ol><li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>BUY DALMANE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#comments</comments>
		<pubDate>Thu, 17 Nov 2011 13:30:49 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Siphon]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=31044</guid>
		<description><![CDATA[With gas prices soaring, several friends decide to save money by siphoning gas from other people’s vehicles. They need to siphon 40L of gas in order for the group to have enough for their mopeds for the week. Sunday night, they were siphoning gas out of a large truck at the local market.


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>What rate is needed for turbulent flow? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#comments</comments>
		<pubDate>Tue, 12 Oct 2010 17:28:50 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[tubular membrane]]></category>
		<category><![CDATA[turbulent flow]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=6223</guid>
		<description><![CDATA[<p>Given a tubular membrane 4 inches in diameter what flow rate is needed
for turbulent flow?</p>
See Answer Below.
<p>
</p>
<p>Facts:</p>

A desalinization plant has upgraded to a new micro filtration system as part of its pretreatment of sea water.
The new system uses a tubular membrane, four inches in diameter.
Turbulent flow conditions must exist within [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#comments</comments>
		<pubDate>Thu, 02 Sep 2010 14:25:32 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=4509</guid>
		<description><![CDATA[<p>In the movie &#8220;The Drowning Pool&#8221;, private detective Lew Harper (payed by Paul Newman) is trapped by the bad guy in a room containing a swimming pool.</p>
<p>This challenge is solved. See the solution below&#8230;</p>
<p></p>

The room may be considered rectangular, 5 meters wide by 15 meters long, with a skylight window [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>When Coffee Novels and Chemicals Collide [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#comments</comments>
		<pubDate>Wed, 04 Aug 2010 15:14:20 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=3833</guid>
		<description><![CDATA[<p></p>
<p>Challenge Solved (See Answer Below)</p>
<p>Things were going smoothly at the Breaux Bridge Drug Co. pilot plant during the midnight to 8 a.m. shift until Therese Lagniappe, the reactor operator, let the run instruction sheet get too close to the Coleman stove that was being used to heat water to prepare [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>The Mystery Cylinder [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#comments</comments>
		<pubDate>Wed, 07 Jul 2010 15:53:41 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Chemicals]]></category>
		<category><![CDATA[Gases]]></category>
		<category><![CDATA[hydrogen]]></category>
		<category><![CDATA[mystery gas]]></category>
		<category><![CDATA[Nitrogen]]></category>
		<category><![CDATA[Oxygen]]></category>
		<category><![CDATA[Pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=2926</guid>
		<description><![CDATA[CHALLENGE SOLVED: (See the Answer Below!)
Can you identify the mystery gas?
<p>The label has come off a cylinder of gas in your laboratory. You know only that one species of gas is contained in the cylinder, but you do not know whether it is hydrogen, oxygen or nitrogen.</p>

To find out, you [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Why Knights Should Have Been Trained in Heat and Mass Transfer [Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#comments</comments>
		<pubDate>Thu, 29 Apr 2010 17:10:37 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Biot number]]></category>
		<category><![CDATA[melting point]]></category>
		<category><![CDATA[Science Fiction and Fantasy]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=1247</guid>
		<description><![CDATA[[caption id="attachment_1249" align="alignleft" width="200" caption="Hot Dragon Breath"][/caption]
CHALLENGE QUESTION: (See the Answer Below!)
How long could a knight survive against a fire-breathing dragon?

Background:
As a knight you do this all the time, fight dragons that is. But finding yourself engulfed in a dragons fiery breath, you are beginning to question that career move. [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/video/what-can-a-hot-potato-tell-you-about-heat-transfer/' rel='bookmark' title='Permanent Link: What Can a Hot Potato Teach You about Heat Transfer?'>What Can a Hot Potato Teach You about Heat Transfer?</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Can the hydraulic system you designed power a gurney through Guatemala?</title>
		<link>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#comments</comments>
		<pubDate>Wed, 07 Jul 2010 15:53:41 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Chemicals]]></category>
		<category><![CDATA[Gases]]></category>
		<category><![CDATA[hydrogen]]></category>
		<category><![CDATA[mystery gas]]></category>
		<category><![CDATA[Nitrogen]]></category>
		<category><![CDATA[Oxygen]]></category>
		<category><![CDATA[Pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=2926</guid>
		<description><![CDATA[CHALLENGE SOLVED: (See the Answer Below!)
Can you identify the mystery gas?
<p>The label has come off a cylinder of gas in your laboratory. You know only that one species of gas is contained in the cylinder, but you do not know whether it is hydrogen, oxygen or nitrogen.</p>

To find out, you [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>ChEnected &#124; Engineers talk chemicals, bio, safety, energy, sustainability. &#187; Challenge Questions</title>
	<atom:link href="http://chenected.aiche.org/challenge-questions/feed/" rel="self" type="application/rss+xml" />
	<link>http://chenected.aiche.org</link>
	<description>AIChE&#039;s Engineering Community - chemical, bio, process safety, sustainability, energy.</description>
	<lastBuildDate>Fri, 17 May 2013 18:00:23 +0000</lastBuildDate>
	<language>en</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.0.1</generator>
		<item>
		<title>BUY ZOPICLONE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/energy/challenge-question-specific-heats/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/energy/challenge-question-specific-heats/#comments</comments>
		<pubDate>Tue, 04 Sep 2012 03:20:23 +0000</pubDate>
		<dc:creator>Kilean Lucas</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Energy]]></category>
		<category><![CDATA[challenge question]]></category>
		<category><![CDATA[District heating]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=48756</guid>
		<description><![CDATA[So, are the heated sidewalks a good choice for the snowy Montana town? Check out the solution, provided by Vinith Bejugam of the University of Arkansas. 


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/energy/challenge-question-specific-heats/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>VALTREX FOR SALE</title>
		<link>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#comments</comments>
		<pubDate>Wed, 18 Jul 2012 12:00:47 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[hydrostatic pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=47205</guid>
		<description><![CDATA[Congratulations to Scott Kolodziej for being the first to submit a correct answer to the challenge question! And thanks to everyone who participated. 


Related posts:<ol><li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>BUY DALMANE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#comments</comments>
		<pubDate>Thu, 17 Nov 2011 13:30:49 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Siphon]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=31044</guid>
		<description><![CDATA[With gas prices soaring, several friends decide to save money by siphoning gas from other people’s vehicles. They need to siphon 40L of gas in order for the group to have enough for their mopeds for the week. Sunday night, they were siphoning gas out of a large truck at the local market.


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>What rate is needed for turbulent flow? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#comments</comments>
		<pubDate>Tue, 12 Oct 2010 17:28:50 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[tubular membrane]]></category>
		<category><![CDATA[turbulent flow]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=6223</guid>
		<description><![CDATA[<p>Given a tubular membrane 4 inches in diameter what flow rate is needed
for turbulent flow?</p>
See Answer Below.
<p>
</p>
<p>Facts:</p>

A desalinization plant has upgraded to a new micro filtration system as part of its pretreatment of sea water.
The new system uses a tubular membrane, four inches in diameter.
Turbulent flow conditions must exist within [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#comments</comments>
		<pubDate>Thu, 02 Sep 2010 14:25:32 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=4509</guid>
		<description><![CDATA[<p>In the movie &#8220;The Drowning Pool&#8221;, private detective Lew Harper (payed by Paul Newman) is trapped by the bad guy in a room containing a swimming pool.</p>
<p>This challenge is solved. See the solution below&#8230;</p>
<p></p>

The room may be considered rectangular, 5 meters wide by 15 meters long, with a skylight window [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>When Coffee Novels and Chemicals Collide [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#comments</comments>
		<pubDate>Wed, 04 Aug 2010 15:14:20 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=3833</guid>
		<description><![CDATA[<p></p>
<p>Challenge Solved (See Answer Below)</p>
<p>Things were going smoothly at the Breaux Bridge Drug Co. pilot plant during the midnight to 8 a.m. shift until Therese Lagniappe, the reactor operator, let the run instruction sheet get too close to the Coleman stove that was being used to heat water to prepare [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>The Mystery Cylinder [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#comments</comments>
		<pubDate>Wed, 07 Jul 2010 15:53:41 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Chemicals]]></category>
		<category><![CDATA[Gases]]></category>
		<category><![CDATA[hydrogen]]></category>
		<category><![CDATA[mystery gas]]></category>
		<category><![CDATA[Nitrogen]]></category>
		<category><![CDATA[Oxygen]]></category>
		<category><![CDATA[Pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=2926</guid>
		<description><![CDATA[CHALLENGE SOLVED: (See the Answer Below!)
Can you identify the mystery gas?
<p>The label has come off a cylinder of gas in your laboratory. You know only that one species of gas is contained in the cylinder, but you do not know whether it is hydrogen, oxygen or nitrogen.</p>

To find out, you [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Why Knights Should Have Been Trained in Heat and Mass Transfer [Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#comments</comments>
		<pubDate>Thu, 29 Apr 2010 17:10:37 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Biot number]]></category>
		<category><![CDATA[melting point]]></category>
		<category><![CDATA[Science Fiction and Fantasy]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=1247</guid>
		<description><![CDATA[[caption id="attachment_1249" align="alignleft" width="200" caption="Hot Dragon Breath"][/caption]
CHALLENGE QUESTION: (See the Answer Below!)
How long could a knight survive against a fire-breathing dragon?

Background:
As a knight you do this all the time, fight dragons that is. But finding yourself engulfed in a dragons fiery breath, you are beginning to question that career move. [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/video/what-can-a-hot-potato-tell-you-about-heat-transfer/' rel='bookmark' title='Permanent Link: What Can a Hot Potato Teach You about Heat Transfer?'>What Can a Hot Potato Teach You about Heat Transfer?</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Can the hydraulic system you designed power a gurney through Guatemala?</title>
		<link>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#comments</comments>
		<pubDate>Thu, 29 Apr 2010 17:10:37 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Biot number]]></category>
		<category><![CDATA[melting point]]></category>
		<category><![CDATA[Science Fiction and Fantasy]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=1247</guid>
		<description><![CDATA[[caption id="attachment_1249" align="alignleft" width="200" caption="Hot Dragon Breath"][/caption]
CHALLENGE QUESTION: (See the Answer Below!)
How long could a knight survive against a fire-breathing dragon?

Background:
As a knight you do this all the time, fight dragons that is. But finding yourself engulfed in a dragons fiery breath, you are beginning to question that career move. [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/video/what-can-a-hot-potato-tell-you-about-heat-transfer/' rel='bookmark' title='Permanent Link: What Can a Hot Potato Teach You about Heat Transfer?'>What Can a Hot Potato Teach You about Heat Transfer?</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>ChEnected &#124; Engineers talk chemicals, bio, safety, energy, sustainability. &#187; Challenge Questions</title>
	<atom:link href="http://chenected.aiche.org/challenge-questions/feed/" rel="self" type="application/rss+xml" />
	<link>http://chenected.aiche.org</link>
	<description>AIChE&#039;s Engineering Community - chemical, bio, process safety, sustainability, energy.</description>
	<lastBuildDate>Fri, 17 May 2013 18:00:23 +0000</lastBuildDate>
	<language>en</language>
	<sy:updatePeriod>hourly</sy:updatePeriod>
	<sy:updateFrequency>1</sy:updateFrequency>
	<generator>http://wordpress.org/?v=3.0.1</generator>
		<item>
		<title>BUY ZOPICLONE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/energy/challenge-question-specific-heats/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/energy/challenge-question-specific-heats/#comments</comments>
		<pubDate>Tue, 04 Sep 2012 03:20:23 +0000</pubDate>
		<dc:creator>Kilean Lucas</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Energy]]></category>
		<category><![CDATA[challenge question]]></category>
		<category><![CDATA[District heating]]></category>
		<category><![CDATA[energy efficiency]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=48756</guid>
		<description><![CDATA[So, are the heated sidewalks a good choice for the snowy Montana town? Check out the solution, provided by Vinith Bejugam of the University of Arkansas. 


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/energy/challenge-question-specific-heats/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>VALTREX FOR SALE</title>
		<link>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/#comments</comments>
		<pubDate>Wed, 18 Jul 2012 12:00:47 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[hydrostatic pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=47205</guid>
		<description><![CDATA[Congratulations to Scott Kolodziej for being the first to submit a correct answer to the challenge question! And thanks to everyone who participated. 


Related posts:<ol><li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>BUY DALMANE NO PRESCRIPTION</title>
		<link>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/#comments</comments>
		<pubDate>Thu, 17 Nov 2011 13:30:49 +0000</pubDate>
		<dc:creator>Kylie Canales</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Siphon]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=31044</guid>
		<description><![CDATA[With gas prices soaring, several friends decide to save money by siphoning gas from other people’s vehicles. They need to siphon 40L of gas in order for the group to have enough for their mopeds for the week. Sunday night, they were siphoning gas out of a large truck at the local market.


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/challenge-question-on-hydrostatic-pressure/' rel='bookmark' title='Permanent Link: VALTREX FOR SALE'>VALTREX FOR SALE</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>What rate is needed for turbulent flow? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/#comments</comments>
		<pubDate>Tue, 12 Oct 2010 17:28:50 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[tubular membrane]]></category>
		<category><![CDATA[turbulent flow]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=6223</guid>
		<description><![CDATA[<p>Given a tubular membrane 4 inches in diameter what flow rate is needed
for turbulent flow?</p>
See Answer Below.
<p>
</p>
<p>Facts:</p>

A desalinization plant has upgraded to a new micro filtration system as part of its pretreatment of sea water.
The new system uses a tubular membrane, four inches in diameter.
Turbulent flow conditions must exist within [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/#comments</comments>
		<pubDate>Thu, 02 Sep 2010 14:25:32 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Water]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=4509</guid>
		<description><![CDATA[<p>In the movie &#8220;The Drowning Pool&#8221;, private detective Lew Harper (payed by Paul Newman) is trapped by the bad guy in a room containing a swimming pool.</p>
<p>This challenge is solved. See the solution below&#8230;</p>
<p></p>

The room may be considered rectangular, 5 meters wide by 15 meters long, with a skylight window [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>When Coffee Novels and Chemicals Collide [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/#comments</comments>
		<pubDate>Wed, 04 Aug 2010 15:14:20 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[brain teaser]]></category>
		<category><![CDATA[challenge]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=3833</guid>
		<description><![CDATA[<p></p>
<p>Challenge Solved (See Answer Below)</p>
<p>Things were going smoothly at the Breaux Bridge Drug Co. pilot plant during the midnight to 8 a.m. shift until Therese Lagniappe, the reactor operator, let the run instruction sheet get too close to the Coleman stove that was being used to heat water to prepare [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/can-you-help-save-paul-newmans-life/' rel='bookmark' title='Permanent Link: Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]'>Can You Help Save Paul Newman&#8217;s life? [Challenge Solved]</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>The Mystery Cylinder [Challenge Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/#comments</comments>
		<pubDate>Wed, 07 Jul 2010 15:53:41 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[Chemicals]]></category>
		<category><![CDATA[Gases]]></category>
		<category><![CDATA[hydrogen]]></category>
		<category><![CDATA[mystery gas]]></category>
		<category><![CDATA[Nitrogen]]></category>
		<category><![CDATA[Oxygen]]></category>
		<category><![CDATA[Pressure]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=2926</guid>
		<description><![CDATA[CHALLENGE SOLVED: (See the Answer Below!)
Can you identify the mystery gas?
<p>The label has come off a cylinder of gas in your laboratory. You know only that one species of gas is contained in the cylinder, but you do not know whether it is hydrogen, oxygen or nitrogen.</p>

To find out, you [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/feed/</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Why Knights Should Have Been Trained in Heat and Mass Transfer [Solved]</title>
		<link>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/#comments</comments>
		<pubDate>Thu, 29 Apr 2010 17:10:37 +0000</pubDate>
		<dc:creator>Kendall Fosse</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Biot number]]></category>
		<category><![CDATA[melting point]]></category>
		<category><![CDATA[Science Fiction and Fantasy]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=1247</guid>
		<description><![CDATA[[caption id="attachment_1249" align="alignleft" width="200" caption="Hot Dragon Breath"][/caption]
CHALLENGE QUESTION: (See the Answer Below!)
How long could a knight survive against a fire-breathing dragon?

Background:
As a knight you do this all the time, fight dragons that is. But finding yourself engulfed in a dragons fiery breath, you are beginning to question that career move. [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/video/what-can-a-hot-potato-tell-you-about-heat-transfer/' rel='bookmark' title='Permanent Link: What Can a Hot Potato Teach You about Heat Transfer?'>What Can a Hot Potato Teach You about Heat Transfer?</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/when-coffee-novels-and-chemicals-collide/' rel='bookmark' title='Permanent Link: When Coffee Novels and Chemicals Collide [Challenge Solved]'>When Coffee Novels and Chemicals Collide [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/energy/challenge-question-specific-heats/' rel='bookmark' title='Permanent Link: BUY ZOPICLONE NO PRESCRIPTION'>BUY ZOPICLONE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/understand-why-knights-should-have-been-trained-in-heat-and-mass-transfer/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Can the hydraulic system you designed power a gurney through Guatemala?</title>
		<link>http://chenected.aiche.org/challenge-questions/can-the-hydraulic-system-you-designed-allow-a-hospital-gurney-to-survive-in-the-remote-villages-and-mountains-of-guatemala/#utm_source=feed&amp;utm_medium=feed&amp;utm_campaign=feed</link>
		<comments>http://chenected.aiche.org/challenge-questions/can-the-hydraulic-system-you-designed-allow-a-hospital-gurney-to-survive-in-the-remote-villages-and-mountains-of-guatemala/#comments</comments>
		<pubDate>Fri, 12 Mar 2010 23:13:14 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Challenge Questions]]></category>
		<category><![CDATA[Hydraulics]]></category>
		<category><![CDATA[Temperature]]></category>
		<category><![CDATA[Viscosity]]></category>

		<guid isPermaLink="false">http://chenected.aiche.org/?p=534</guid>
		<description><![CDATA[
Challenge Question:
What is the viscosity of hydraulic fluid with a kinematic viscosity index of 300 and that is exposed to a temperature of 50 degrees Farhenheit?

Background:
You and your team are creating an adjustable hospital gurney to be used in a medical clinic in Guatemala. The gurney can be raised or [&#8230;]


Related posts:<ol><li><a href='http://chenected.aiche.org/challenge-questions/what-rate-is-needed-for-turbulent-flow-challenge/' rel='bookmark' title='Permanent Link: What rate is needed for turbulent flow? [Challenge Solved]'>What rate is needed for turbulent flow? [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/the-mystery-cylinder-challenge/' rel='bookmark' title='Permanent Link: The Mystery Cylinder [Challenge Solved]'>The Mystery Cylinder [Challenge Solved]</a></li>
<li><a href='http://chenected.aiche.org/challenge-questions/how-fast-does-the-siphon-flow-challenge-question/' rel='bookmark' title='Permanent Link: BUY DALMANE NO PRESCRIPTION'>BUY DALMANE NO PRESCRIPTION</a></li>
</ol>]]></description>
		<wfw:commentRss>http://chenected.aiche.org/challenge-questions/can-the-hydraulic-system-you-designed-allow-a-hospital-gurney-to-survive-in-the-remote-villages-and-mountains-of-guatemala/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
	</channel>
</rss>
