A refrigerator with a coefficient of performance 5.0 removes 25 kJ of heat from a cold reservoir.If this refrigerator is reversible and is run backward as a heat engine,what would be the efficiency of the heat engine?
A) 50%
B) 80%
C) 83%
D) 17%
E) 20%
Correct Answer:
Verified
Q1: A heat engine exhausts heat Q to
Q3: A heat engine absorbs 70 kcal of
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Q6: A heat engine with an output of
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Q10: Use the following diagram to answer the
Q11: The diagram below is a schematic of
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