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The specific speed of a pump is given by _____________

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in Environmental Engineering by (81.4k points)
The specific speed of a pump is given by _____________

(a) NQ^1/2 / H^2

(b) NQ^1/2 / H^3/4

(c) NQ / H^3/4

(d) NQ ^1/2 / H^1/4

I have been asked this question during an interview.

I want to ask this question from Centrifugal Pump topic in division Pumps and Pumping of Environmental Engineering

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The correct choice is (b) NQ^1/2 / H^3/4

Easiest explanation: The specific speed of a centrifugal pump is given by NQ^1/2 / H^3/4 Where, N is the rotational speed in rates per minute, Q is the discharge in litres/Sec and H is the head in metres.

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