engineering recuitment AAI JE Technical Mock Test 2020-21 Thermodynamics Second Law of Thermodynamics and Entropy Performance of Heat Engines and Reversed Heat Engines
A reversible heat engine receives 2 kJ of heat from a reservoir at 1000 K and a certain amount of heat from a reservoir at 800 K. It rejects 1 kJ of heat to a reservoir at 400 K. The net work output (in kJ) of the cycle is
1
0.8
2
1.0
3
1.4
4
2.0