Discharge (Q) of a centrifugal pump is given by (where D = Diameter of impeller

Question

Discharge (Q) of a centrifugal pump is given by (where D = Diameter of impeller at inlet, b = Width of impeller at inlet, and Vf = Velocity of flow at inlet)

Options:

A . Q = π.D.Vf

B . Q = π.b.Vf

C . Q = π.D.bf.V

D . Q = D.b.Vf

Answer: Option C

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