Mechanical efficiency of a centrifugal pump is the ratio of

Question

Options:

A . Energy available at the impeller to the energy supplied to the pump by the prime mover

B . Actual work-done by the pump to the energy supplied to the pump by the prime mover

C . Energy supplied to the pump to the energy available at the impeller

D . Manometric head to the energy supplied by the impeller per kN of water

Answer: Option A

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