Еxample4A centrifugal pump is used to raise the water from the river to the reservoir,find:1) total dynamic head.2) water power, pump power and motor power.3) monthly cost pump operation, if power cost is 4 cents and pump operates 20hr/day.If:-1- Q = 1.9 m/min2- Elevation between the reservoir and the pump is 25 m and the length of the pipe is 365 m3- Diameter of suction lift and discharge pipes 200 mm and length of suction lift is 10 m.4- Barometric pressure is 88 Kpa, vapor pressure 2.5 Kpa5- NPSH),eg = 40 Kpa6- Efficiency of pump and motor is 80%.Treq7- Neglect minor losses8- Use f = 0.02, X= 10 Kn/m3

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A centrifugal pump is used to raise the water from the river to the reservoir, find: 1) total dynamic head. 2) water power, pump power and motor power. 3) monthly cost pump operation, if power cost is 4 cents and pump operates 20 hr/day.

A centrifugal pump is used to raise the water from the river to the reservoir, find: 1) total dynamic head. 2) water power, pump power and motor power. 3) monthly cost pump operation, if power cost is 4 cents and pump operates 20 hr/day.

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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Еxample4
A centrifugal pump is used to raise the water from the river to the reservoir,
find:
1) total dynamic head.
2) water power, pump power and motor power.
3) monthly cost pump operation, if power cost is 4 cents and pump operates 20
hr/day.
If:-
1- Q = 1.9 m/min
2- Elevation between the reservoir and the pump is 25 m and the length of the pipe is 365 m
3- Diameter of suction lift and discharge pipes 200 mm and length of suction lift is 10 m.
4- Barometric pressure is 88 Kpa, vapor pressure 2.5 Kpa
5- NPSH),eg = 40 Kpa
6- Efficiency of pump and motor is 80%.
Treq
7- Neglect minor losses
8- Use f = 0.02, X= 10 Kn/m3

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