The motor of a pump consumes 1.05 hp of electricity. The pump increases the pressure of water from 120 kPa to 1100 kPa at a rate of 35 L/min. If the motor efficiency is 94 percent, the pump efficiency is (a) 0.75 (b) 0.78 (c) 0.82 (d) 0.85 (e) 0.88

The motor of a pump consumes 1.05 hp of electricity. The pump increases the pressure of water from 120 kPa to 1100 kPa at a rate of 35 L/min. If the motor efficiency is 94 percent, the pump efficiency is (a) 0.75 (b) 0.78 (c) 0.82 (d) 0.85 (e) 0.88

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

The motor of a pump consumes 1.05 hp
of electricity. The pump increases the
pressure of water from 120 kPa to 1100
kPa at a rate of 35 L/min. If the motor
efficiency is 94 percent, the pump
efficiency is
(a) 0.75
(b) 0.78
(c) 0.82
(d) 0.85
(e) 0.88

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