Question: A radial - flow pump operating at maximum efficiency at a specific speed of 2 3 0 0 is to deliver 2 6 0 gpm

A radial-flow pump operating at maximum efficiency at a specific speed of 2300 is to deliver 260 gpm against a head of 129 ft at a rotative speed of 2100 rpm. Find the required number of stages (i.e., impellers).
A.2 stages B.3 stages C.4 stages D.5 stages

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