A real (non-Carnot)heat engine,operating between heat reservoirs at temperatures of and performs 4.3 kJ of net work and rejects of heat in a single cycle.The thermal efficiency of this heat engine is closest to
A)0.35.
B)0.31.
C)0.28.
D)0.38.
E)0.42.

Question

A real (non-Carnot)heat engine,operating between heat reservoirs at temperatures of  and  performs 4.3 kJ of net work and rejects  of heat in a single cycle.The thermal efficiency of this heat engine is closest to
A)0.35. 
B)0.31. 
C)0.28. 
D)0.38. 
E)0.42.

Quizplus · Accepted Answer

The Answer is A

A Real (Non-Carnot)heat Engine,operating Between Heat Reservoirs at Temperatures of