Multistage compression of air as compared to single stage compression

1.	Multistage compression of air as compared to single stage compression offers the advantage of______________?
A.	Power saving per unit weight of air delivered
B.	Moisture elimination in the inter-stage cooler
C.	Increased volumetric efficiency
D.	All A , B. & C.
Answer» E.

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Multistage compression of air as compared to single stage compression offers the advantage of______________?

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