Multistage compression is necessary for high efficiency, – McqOptions

MCQOPTIONS

1.	Multistage compression is necessary for high efficiency,
A.	if the ratio of the delivery pressure to the intake pressure exceeds 5:1.
B.	when large amount of gas is to be compressed.
C.	when the delivered gas is desired at very high velocity.
D.	none of these
Answer» B. when large amount of gas is to be compressed.

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