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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