Quiz22 - [weight 1 1 OK(C Suppose the height and width of...

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220/fall2011 PL22/plqz22.xm for user ajcg (Last updated: Fri Sep 30 13:08:16 2011) Heat Flow Quiz/Exam questions can be viewed and submitted only once , and, once viewed, must be submitted within the allowed elapsed time. (A) A steel tape measure is marked in such a way that it gives accurate length measurements at a normal room temperature of about 20°C. If this tape measure is used outdoors on a cold day when the temperature is 0°C, its measurements are:- Too long 1. Too short 2. Accurate 3. ____________________ [weight: 1] 1 OK (B) True or False : Conduction, convection and radiation are di±erent names for the same method of heat flow. False 1. True 2. ____________________
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Unformatted text preview: [weight: 1] 1 OK (C) Suppose the height and width of the windowpane in the ²gure below are both increased by a factor of two. By what factor does the heat flow through the window change? ajcg 220/fall2011 Reading_Quiz Problem Listing https://chip.physics.purdue.edu/cgi-bin/220/fall2011/Inst. .. 1 of 2 12/07/2011 03:11 PM It increases by a factor of four 1. There is no change 2. It increases by a factor of two 3. ____________________ [weight: 1] 1 OK Logout ajcg 220/fall2011 Reading_Quiz Problem Listing https://chip.physics.purdue.edu/cgi-bin/220/fall2011/Inst. .. 2 of 2 12/07/2011 03:11 PM...
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Quiz22 - [weight 1 1 OK(C Suppose the height and width of...

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