Question

Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases.

a.

NPSH required.

b.

BHP required by the pump.

c.

head of the liquid pumped.

d.

all (a), (b) and (c).

Answer: (d).all (a), (b) and (c).

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Q. Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the...

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