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    College Physics Study Set 1
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    Exam 12: The Laws of Thermodynamics Work in Thermodynamic Processes
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    A Heat Engine Receives 7,100 J of Heat from Its
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A Heat Engine Receives 7,100 J of Heat from Its

Question 23

Question 23

Multiple Choice

A heat engine receives 7,100 J of heat from its combustion process and loses 3,100 J through the exhaust and friction.What is its efficiency?
​


A) 56%
B) 32%
C) 18%
D) 44%
E) ​75%

Correct Answer:

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