A frictionless heat engine can be 100% efficient only if its exhaust t – McqOptions

MCQOPTIONS

1.	A frictionless heat engine can be 100% efficient only if its exhaust temperature is
A.	Equal to its input temperature
B.	Less than its input temperature
C.	0?K
D.	?100?C
E.	0?C
Answer» D. ?100?C

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