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Author Question: What is expression gives the efficiency of an ideal heat engine operating between a higher ... (Read 68 times)

mpobi80

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What is expression gives the efficiency of an ideal heat engine operating between a higher temperature Th and a lower temperature Tc (both expressed in kelvins)?
 a. = 1 + Tc / Th
  b. = 1  Tc / Th
  c. = 1  Th / Tc
  d. = 1  Tc
  e. = Tc / Th

Question 2

What is the expression for efficiency () in terms of the work W done by the system and the heat Q added to it?
 a. = WQ
  b. = Q/W
  c. = Q + W
  d. = Q + 273K
  e. = W/Q



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flannelavenger

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Answer to Question 1

b

Answer to Question 2

e





 

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