Problem 2 A pump is needed in a water supply system. The water is being pumped out of a ground-level storage reservoir with water surface elevation of 149.27 ft and needs to pass over a hill 2 miles away, where the pipe centerline is at elevation 200.00 ft. The flowrate is 22 mgd, pipe diameter is 24 inches, Hazen-Williams friction factor is 110, and pressure at the crest of the hill must be at least 20 psi. (a) What head must the pump provide? (b) How much power will be added to the water? (c) What size motor should be purchased if the pump/motor combination has an efficiency of 80 percent?

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Problem 2
A pump is needed in a water supply system. The water is being pumped out of a ground-level storage reservoir with
water surface elevation of 149.27 ft and needs to pass over a hill 2 miles away, where the pipe centerline is at elevation
200.00 ft. The flowrate is 22 mgd, pipe diameter is 24 inches, Hazen-Williams friction factor is 110, and pressure at the
crest of the hill must be at least 20 psi. (a) What head must the pump provide? (b) How much power will be added to the
water? (c) What size motor should be purchased if the pump/motor combination has an efficiency of 80 percent?
Transcribed Image Text:Problem 2 A pump is needed in a water supply system. The water is being pumped out of a ground-level storage reservoir with water surface elevation of 149.27 ft and needs to pass over a hill 2 miles away, where the pipe centerline is at elevation 200.00 ft. The flowrate is 22 mgd, pipe diameter is 24 inches, Hazen-Williams friction factor is 110, and pressure at the crest of the hill must be at least 20 psi. (a) What head must the pump provide? (b) How much power will be added to the water? (c) What size motor should be purchased if the pump/motor combination has an efficiency of 80 percent?
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