Question: A 6.85-in pump, running at 3500 rpm, has the measured performance at right for water at 20C. (a) Estimate the horsepower at BEP. If this

A 6.85-in pump, running at 3500 rpm, has the measured performance at right for water at 20°C.
(a) Estimate the horsepower at BEP. If this pump is rescaled in water to provide 20 bhp at 3000 rpm, determine the appropriate
(b) Impeller diameter;
(c) Flow rate; and
(d) Efficiency for this new condition

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The BEP of 81 is at about Q 350 gpm and H 169 ft H... View full answer

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