Which of the following is not the function of a volute casing provided

1.	Which of the following is not the function of a volute casing provided in a centrifugal pump?
A.	o reduce the head loss in discharge
B.	o increase the pump efficiency
C.	o collect liquid from the periphery of the impeller and to transmit it to the delivery pipe at constant velocity
D.	o increase the pump discharge rate
Answer» E.

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Which of the following is not the function of a volute casing provided in a centrifugal pump?

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