Multiple Choice
According to the second law of thermodynamics:
A) all heat engines have the same efficiency
B) all reversible heat engines have the same efficiency
C) the efficiency of any heat engine is independent of its working substance
D) the efficiency of a Carnot engine depends only on the temperatures of the two reservoirs
E) all Carnot engines theoretically have 100% efficiency
Correct Answer:

Verified
Correct Answer:
Verified
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