engineering recuitment BEL Probationary Engineers Mock Test 2025 Thermodynamics Second Law of Thermodynamics and Entropy
A Carnot heat engine operates between the source temperature of 1000 K and the sink temperature of 300 K. If the power output of the engine is 1 kW, the heat input will be
1
1.428 kW
2
1.539 kW
3
2 kW
4
1.327 kW