A reversible heat engine operating between hot and cold reservoirs delivers a work output of 54 kJ white it rejects a heat of 66 kJ. The efficiency of this engine

A reversible heat engine operating between hot and cold reservoirs del

1.	A reversible heat engine operating between hot and cold reservoirs delivers a work output of 54 kJ white it rejects a heat of 66 kJ. The efficiency of this engine
A.	0.45
B.	0.66
C.	0.75
D.	0.82
Answer» B. 0.66

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A reversible heat engine operating between hot and cold reservoirs delivers a work output of 54 kJ white it rejects a heat of 66 kJ. The efficiency of this engine

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