What is the correct answer?


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

A. To reduce the head loss in discharge

B. To increase the pump efficiency

C. To collect liquid from the periphery of the impeller and to transmit it to the delivery pipe at constant velocity

D. To increase the pump discharge rate

Correct Answer :

D. To increase the pump discharge rate

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