In a centrifugal pump, Q = discharge, H = head, N = speed. Then the specific speed will be
,d vidsUnzh iEi dk fuLlj.k = Q 'kh"kZ = H, pky = N gS] rks fof'k"V pky gksxh
Specific speed:
Specific speed is defined as the speed of a geometrically similar pump that would deliver one cubic meter of liquid per second against the head of one meter
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