Multiple Choice
A real (non-Carnot) heat engine, operating between heat reservoirs at temperatures of 650 K and 270 K, performs 4.3 kJ of net work and rejects 8.0 kJ 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
Correct Answer:

Verified
Correct Answer:
Verified
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