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Reservoir-Pump the 80%-efficiency-pump System. What horsepower must be required to pump 50- gpm (gallon per minute) water (1.94-slug/ft3 density; 2.2x10-5-psf-s viscosity) to the higher reservoir (h 200 ft)? Pipe characteristics are: length (total) = 10 miles (52,800 ft), diameter = 6 in, and relative roughness = 0.006. Loss coefficients are: 2.5 (pipe entrance), 3.2 (pipe exit), 5.4 (valve 1), 6.8 (valve 2), and 0.7 (elbow, each). [1 gallon = 77/576 ft³; 1 hp = 550 ft-lbf/s; g = 32.2 ft/s².] Ans. 3.5 hp.

Reservoir-Pump the 80%-efficiency-pump System. What horsepower must be required to pump 50- gpm (gallon per minute) water (1.94-slug/ft3 density; 2.2x10-5-psf-s viscosity) to the higher reservoir (h 200 ft)? Pipe characteristics are: length (total) = 10 miles (52,800 ft), diameter = 6 in, and relative roughness = 0.006. Loss coefficients are: 2.5 (pipe entrance), 3.2 (pipe exit), 5.4 (valve 1), 6.8 (valve 2), and 0.7 (elbow, each). [1 gallon = 77/576 ft³; 1 hp = 550 ft-lbf/s; g = 32.2 ft/s².] Ans. 3.5 hp.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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10. Reservoir-Pump System. What horsepower must the 80%-efficiency-pump be required to pump 50- gpm (gallon per minute) water (1.94-slug/ft3 density; 2.2x10 5-psf-s viscosity) to the higher reservoir (h= 200 ft)? Pipe characteristics are: length (total) = 10 miles (52,800 ft), diameter = 6 in, and relative roughness=0.006. Loss coefficients are: 2.5 (pipe entrance), 3.2 (pipe exit), 5.4 (valve 1), 6.8 (valve 2), and 0.7 (elbow, each). [1 gallon = 77/576 ft³; 1 hp = 550 ft·lbf/s; g = 32.2 ft/s².] Ans. 3.5 hp. Valve 1 F Pump Valve 2 h
Transcribed Image Text:10. Reservoir-Pump System. What horsepower must the 80%-efficiency-pump be required to pump 50- gpm (gallon per minute) water (1.94-slug/ft3 density; 2.2x10 5-psf-s viscosity) to the higher reservoir (h= 200 ft)? Pipe characteristics are: length (total) = 10 miles (52,800 ft), diameter = 6 in, and relative roughness=0.006. Loss coefficients are: 2.5 (pipe entrance), 3.2 (pipe exit), 5.4 (valve 1), 6.8 (valve 2), and 0.7 (elbow, each). [1 gallon = 77/576 ft³; 1 hp = 550 ft·lbf/s; g = 32.2 ft/s².] Ans. 3.5 hp. Valve 1 F Pump Valve 2 h
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