engineering recuitment BHEL Engineer Trainee Mock Test 2025 Refrigeration and Air Conditioning Refrigeration Cycles and Devices Refrigeration Devices
A heat engine having 70% efficiency is used to drive a refrigerator having a COP of 5. The cooling produced by refrigerator per kJ energy absorbed by engine from heat source is
1
0.14 kJ
2
0.71 kJ
3
3.5 kJ
4
7.1 kJ