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 of 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.

A Real (Non-Carnot) Heat Engine, Operating Between Heat Reservoirs at Temperatures