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    Exam 7: Second Law of Thermodynamics: and You Cant Even Break Even
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    What Is the Efficiency of a Heat Engine Whose Thermal
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What Is the Efficiency of a Heat Engine Whose Thermal

Question 35

Question 35

Multiple Choice

What is the efficiency of a heat engine whose thermal energy input is 400 J and whose exhaust is 300 J?


A) 50%
B) 25%
C) 75%
D) 175%
E) 33%

Correct Answer:

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