Civil Engineering > GATE 2017 SET-2 > Fluid Mechanics
If a centrifugal pump has an impeller speed of N (in rpm), discharge Q (in m3/s) and the total head H (in m), the expression for the specific speed Ns of the pump is given by
A
Ns = (NQ0.5) / H0.5
B
Ns = (NQ0.5) / H
C
Ns = (NQ0.5) / H0.75
D
Ns = (NQ) / H0.75

Correct : c

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centrifugal pump specific speed GATE Civil Engineering 2017 civil engineering gate specific speed formula Ns calculation centrifugal pump design head discharge relationship GATE set 2 question 7

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