Multiple Choice
A heat engine receives heat from a source at 1200 K and rejects the waste heat to a sink at 400 K. If the thermal efficiency of the engine is 0.40, the second-law efficiency of this heat engine is
A) 40%
B) 27%
C) 60%
D) 67%
E) 83%
Correct Answer:
Verified
Correct Answer:
Verified
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