railway RRB JE (CBT I + CBT II) Mock Test 2024 Thermodynamics Second Law of Thermodynamics and Entropy
Efficiency of Carnot engine is given as 80%. If the cycle direction is reverse, then value of COP of the Refrigerator in reversed Carnot cycle will be?
1
1.25
2
0.8
3
0.5
4
0.25