engineering recuitment BHEL Engineer Trainee Mock Test 2025 Thermodynamics Second Law of Thermodynamics and Entropy Performance of Heat Engines and Reversed Heat Engines
A heat engine is supplied heat at the rate of 1700 kJ/min and gives an output of 9 kW. Thermal efficiency and heat rejection in kW of the heat engine is
1
34.0 %, 11.0
2
28.3 %, 10.0
3
31.76 %, 19.33
4
32.3 %, 9.83