A pump is installed to deliver water from a reservoir of surface elevation 0 to another reservor of elevation 105m. the 20cm diameter suction pipe (f= 0.022) is 30 m long and 25.4in diameter discharge pip(f= 0.028) is 1600 m long. minor losses are neglected. the pump characteristic at 1100 rpm is defined by: ha= 100 - 7200Q² .
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