Multiple Choice
According to the second law of thermodynamics:
A) heat energy cannot be completely converted to work
B) work cannot be completely converted to heat energy
C) for all cyclic processes we have dQ/T < 0
D) the reason all heat engine efficiencies are less than 100% is friction, which is unavoidable
E) all of the above are true
Correct Answer:
Verified
Correct Answer:
Verified
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