railway RRB JE (CBT I + CBT II) Mock Test 2024 Refrigeration and Air Conditioning Refrigeration Cycles and Devices Reversed Carnot Cycle
The ratio of heat extracted in the refrigerator to the work-done on the refrigerant is called
1
Coefficient of performance of heat pump
2
Coefficient of performance of refrigerator
3
Refrigeration efficiency
4
Relative coefficient of performance