Which is the correct relationship for a centrifugal pump? (Where, D = Impeller diameter, inches H = Head developed, ft of liquid pumped N = Speed of pump, rpm) ?
A. H = 1840 D0.5/N
B. D = 1840 N/H0.5
C. D = 1840 H/N
D. D = 1840 H0.5/N
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