If dQ is the heat supplied at T and dQ2 is the heat rejected at T2, t – McqOptions

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1.	If dQ is the heat supplied at T and dQ2 is the heat rejected at T2, then efficiency is given by
A.	1-(dQ2/dQ)
B.	1-(dQ/dQ2)
C.	(dQ/dQ2)-1
D.	(dQ2/dQ)-1
Answer» B. 1-(dQ/dQ2)

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