engineering recuitment ONGC AEE Mechanical Mock Test 2025 Refrigeration and Air Conditioning Refrigeration Cycles and Devices Heat Engine, Heat Pump and Refrigerator
A Carnot refrigerator operating between -10°C and 25°C will have a COP of:
1
8.1
2
2.5
3
5.3
4
7.5
5
9