engineering recuitment MP Vyapam Sub Engineer Mock Test 2024 Thermodynamics Second Law of Thermodynamics and Entropy Performance of Heat Engines and Reversed Heat Engines
In a cyclic heat engine, source temperature is 800°C and sink temperature is 30°C; its maximum efficiency will be
1
65.4%
2
68.5%
3
71.8%
4
54.5%