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Find the number of stages and diameter of each impeller of a similar multistage pump.
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A single stage centrifugal pump with impeller diameter of 30 cm rotates at 2000 r.p.m and lifts $3 m^3$ of water per second to a height of 30 m with an efficiency of 75% find the number of stages and diameter of each impeller of a similar multistage pump to …