The specific speed of a centrifugal pump, delivering 750 litres of water per sec

Question - The specific speed of a centrifugal pump, delivering 750 litres of water per second against a head of 15 metres at 725 r.p.m., is

Options:

A . 24.8 r.p.m.

B . 48.2 r.p.m

C . 82.4 r.p.m.

D . 248 r.p.m

Answer: Option C
Answer: (c).82.4 r.p.m.

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