Example4 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).- 40 Kpa 6- Efficiency of pump and motor is 80%. 7. Neglect minor losses 8. Use f = 0.02, Y= 10 Kn/m
Example4 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).- 40 Kpa 6- Efficiency of pump and motor is 80%. 7. Neglect minor losses 8. Use f = 0.02, Y= 10 Kn/m
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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