htciversion3.3

# htciversion3.3 - Draft Heat Transfer Concept Inventory...

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2 1. How much time did it take you to complete the Concept Inventory? A. Less than 1/2 hour B. Between 1/2 and 1 hour C. Between 1 and 1 1/2 hours D. Over 1 and 1 1/2 hours 2. How well do you think that your score on this Concept Inventory reflects your understanding of Heat Transfer? A Not at all - I did not have time to give this an adequate effort B Somewhat - I tried but was not really focused on providing the best answers C Reasonably accurate - I might have done better with more effort D Quite well - I did my best to answer all of the questions.
3 3. Consider two solid metal bodies, 1 and 2 as shown below, suspended in a room. The temperature of body 1 is initially higher than that of body 2. Circle the letter of the correct statement for the ‘conservation of energy’ for body 1 : A The rate at which energy enters Body 1 must equal the rate at which it leaves Body 1 B The rate at which energy is stored in Body 1 must equal the rate at which it enters, minus the rate at which it leaves, plus the rate of internal generation. C The rate at which energy passes from Body 1 to Body 2 exceeds the rate at which it passes from Body 2 to Body 1 . D For exchange between Body 1 and Body 2, no energy leaks to the environment from Body 1 or Body 2; thus, energy is conserved. Body 1 T 1 Body 2 T 2

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4 4. Warm air flows over a cool flat plate that has a uniform surface temperature as shown schematically below. Circle the letter of the curve that most closely describes the variation of the local heat flux (heat flow per unit area) with position along the plate.
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htciversion3.3 - Draft Heat Transfer Concept Inventory...

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