The coefficient of performance of the refrigeration cycle when operating as an air-conditioner is nearest:

A 5-ton ideal air-conditioner operates between 120 kPa and 800 kPa. The refrigerant is R134a.



A) 3.6

B) 3.9

C) 4.2

D) 4.6


A) 3.6

The cycle performance, operating as an ideal air-conditioner, is

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