A pump is to deliver 80 GPM of water at a density of 61. 83lb/ft3 with a discharge pressure of 150 psig. Suction pressure indicates a 2 HG vacuum. The diameter of the suction and the discharge are 5 in. and 4 in. respectively. The pump has an efficiency of 70% while the motor efficiency is 80%. Determine: (a) water horsepower of the pump (b) bhp of the pump motor (c) power input to drive the motor.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A pump is to deliver 80 GPM of water at a density of 61. 83lb/ft3 with a discharge pressure of 150 psig. Suction pressure indicates a 2 HG vacuum. The diameter of the suction and the discharge are 5 in. and 4 in. respectively. The pump has an efficiency of 70% while the motor efficiency is 80%. Determine:

(a) water horsepower of the pump

(b) bhp of the pump motor

(c) power input to drive the motor.

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