Heat engines: A real (non-Carnot) heat engine, operating between heat reservoirs at temperatures of and performs 2.4 kJ of net work and rejects of heat in a single cycle. The thermal efficiency of this heat engine is closest to
A) 0.21.
B) 0.19.
C) 0.17.
D) 0.23.
E) 0.25.

Question

Heat engines: A real (non-Carnot) heat engine, operating between heat reservoirs at temperatures of  and  performs 2.4 kJ of net work and rejects  of heat in a single cycle. The thermal efficiency of this heat engine is closest to
A) 0.21. 
B) 0.19. 
C) 0.17. 
D) 0.23. 
E) 0.25.

Quizplus · Accepted Answer

The Answer of Heat engines: A real (non-Carnot) heat engine, operating between heat reservoirs at temperatures of  and  performs 2.4 kJ of net work and rejects  of heat in a single cycle. The thermal efficiency of this heat engine is closest to
A) 0.21. 
B) 0.19. 
C) 0.17. 
D) 0.23. 
E) 0.25.

Heat Engines: a Real (Non-Carnot) Heat Engine, Operating Between Heat