engineering recuitment BPSC AE Mock Test 2025 Thermodynamics Second Law of Thermodynamics and Entropy Performance of Heat Engines and Reversed Heat Engines
A heat engine using lake water at 12°C as source and the surrounding atmosphere at 2°C as sink executes 1080 cycles per min. If the amount of heat drawn per cycle is 57 J, then the output of the engine will be
1
66 W
2
46 W
3
56 W
4
36 W