railway RRB JE (CBT I + CBT II) Mock Test 2024 Thermodynamics Second Law of Thermodynamics and Entropy Performance of Heat Engines and Reversed Heat Engines
A reversible heat engine operates between 300 K and 600 K. If heat output is 200 kJ, the heat input is
1
100 kJ
2
300 kJ
3
600 kJ
4
400 kJ