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A Heat Engine Operates Between a Hot Reservoir at 1500

Question 34

Multiple Choice

A heat engine operates between a hot reservoir at 1500 K and a cold reservoir at 500 K.During each cycle,1.0 × 10⁵ J of heat is removed from the hot reservoir and 5.0 × 10⁴ J of work is performed.
-A heat pump is found to remove 2400 J of heat from the exterior of a house and deliver 3500 J of heat to the interior of the house.What is the coefficient of performance of the heat pump?


A) 1.5
B) 3.2
C) 2.7
D) 3.9
E) 2.2

Correct Answer:

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