Head Pump
what is the water horsepower of a 500 gpm pump w/ a head of 200ft?
is it 20.25 whp, 25.27 whp, 30.5 whp, 35.86 whp or none of the above?
(500gallons/min) (8.337pounds/gallon) (200ft)
(1hp/33,000ft-lbs/min) = [ 25.26 horsepower ]
or:
WHP = (flow rate in gpm)(height) / 3960
WHP = (500gpm)(200ft) / 3960
WHP = [ 25.25whp ]
Two different ways to solve it with the same answer: 25.27whp (out of those choices)
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Pump Head Height
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