engineering recuitment BHEL Engineer Trainee Mock Test 2025 Refrigeration and Air Conditioning Refrigeration Cycles and Devices Heat Engine, Heat Pump and Refrigerator
If a Carnot refrigerator and a Carnot heat pump are operating between the same two thermal reservoirs, and the COP of the refrigerator is 2.5, then COP of the heat pump will be:
1
4.5
2
1.5
3
2.5
4
3.5