Author Question: A refrigerator has a coefficient of performance of 1.15, and it extracts 7.95 J of heat from the ... (Read 43 times)

torybrooks · **on:** Jul 29, 2018

A refrigerator has a coefficient of performance of 1.15, and it extracts 7.95 J of heat from the cold reservoir during each cycle.

(a) How much work is done on the gas in each cycle? (b) How much heat is exhausted into the hot reservoir in each cycle?

Question 2

A Carnot cycle engine operates between a low temperature reservoir at 20C and a high temperature reservoir at 800C.

If the engine is required to output 20.0 kJ of work per cycle, how much heat must the high temperature reservoir transfer to the engine during each cycle?
A) 27.5 kJ
B) 73.2 kJ
C) 39.2 kJ
D) 800 kJ
E) 20.5 kJ