For a two stage reciprocating compressor, compression from p 1 to p 3 is with perfect intercooling and no pressure losses. If compression in both the cylinders follows the same polytropic process and the atmospheric pressure is p a , then the intermediate pressure p 2 is given by

For a two stage reciprocating compressor, compression from p 1 to p 3

1.	For a two stage reciprocating compressor, compression from p 1 to p 3 is with perfect intercooling and no pressure losses. If compression in both the cylinders follows the same polytropic process and the atmospheric pressure is p a , then the intermediate pressure p 2 is given by
A.	p 2 = ( p 1 + p 3 )/2
B.	p 2 = p 1 . p 3
C.	P 2 = P a x p 3 / p 1
D.	p 2 = p a p 3 / p 1
Answer» C. P 2 = P a x p 3 / p 1

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For a two stage reciprocating compressor, compression from p 1 to p 3 is with perfect intercooling and no pressure losses. If compression in both the cylinders follows the same polytropic process and the atmospheric pressure is p a , then the intermediate pressure p 2 is given by

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