Purpose of relief valve in a reciprocating pump is to

1.	Purpose of relief valve in a reciprocating pump is to
A.	protect the pump against developing excessive pressure.
B.	facilitate unidirectional flow of liquid.
C.	reduce the discharge pressure.
D.	control the rate of discharge.
Answer» B. facilitate unidirectional flow of liquid.

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Purpose of relief valve in a reciprocating pump is to

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