Question: A machine is said to be reversible, if its efficiency is (a) equal to (100 %) (b) less than (50 %) (c) more than (50

A machine is said to be reversible, if its efficiency is

(a) equal to \(100 \%\)

(b) less than \(50 \%\)

(c) more than \(50 \%\)

(d) equal to \(50 \%\)

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