engineering recuitment BEL Probationary Engineers Mock Test 2025 Thermodynamics Second Law of Thermodynamics and Entropy Performance of Heat Engines and Reversed Heat Engines
A reversible heat engine is operating between 800 and 30 degree C. The least rate of heat rejection per kW of net output of the engine is:
1
0.6 kW
2
0.2 kW
3
0.4 kW
4
0.8 kW