Topic: Refrigeration and Air Conditioning
The heat removal rate from a refrigerated space is 7.2 kW and the power input to the compressor is 1.8 kW. The coefficient of performance (COP) of the refrigerator is
- A. 4
- B. 5
- C. 1.25
- D. 0.25
Answer: A. 4
Explanation: COP of refrigerator = Heat removed from space / Work done = 7.2 / 1.8 = 4.