Question

Power required by a centrifugal pump is proportional to (where, D = diameter, N = r.p.m)

a.

N²D³

b.

ND²

c.

N²D

d.

N³D⁵

Answer: (d).N³D⁵

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Q. Power required by a centrifugal pump is proportional to (where, D = diameter, N = r.p.m)

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