railway RRB JE (CBT I + CBT II) Mock Test 2024 Fluid Mechanics Turbomachinery Pumps

The specific speed (NS) of a centrifugal pump is given by

1
\(\frac{{N\sqrt Q }}{{{H^{\frac{2}{3}}}}}\)
2
\(\frac{{N\sqrt Q }}{{{H^{\frac{3}{4}}}}}\)
3
\(\frac{{N\sqrt Q }}{H}\)
4
\(\frac{{N\sqrt Q }}{{{H^{\frac{5}{4}}}}}\)
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