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The 28-in-diameter pump in Fig. 11.7a at 1170 r/min is used to pump water at 20°C through a piping system at 14,000 gal/min. (a) Determine the required brake horsepower. The average friction factor is 0.018. (b) If there is 65 ft of 12-in-diameter pipe upstream of the pump, how far below the surface should the pump inlet be placed to avoid cavitation? 1170 r/min 800 700 =600 Total head. It 5KH Jidia 100 3) (500 blp 200 V 12 16 20 24 28 U.S. gallons per minute x 1000 Fig. 11.7 U NPSH,

The 28-in-diameter pump in Fig. 11.7a at 1170 r/min is used to pump water at 20°C through a piping system at 14,000 gal/min. (a) Determine the required brake horsepower. The average friction factor is 0.018. (b) If there is 65 ft of 12-in-diameter pipe upstream of the pump, how far below the surface should the pump inlet be placed to avoid cavitation? 1170 r/min 800 700 =600 Total head. It 5KH Jidia 100 3) (500 blp 200 V 12 16 20 24 28 U.S. gallons per minute x 1000 Fig. 11.7 U NPSH,

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
Problem 1.1MA
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The 28-in-diameter pump in Fig. 11.7a at 1170 r/min is used to pump water at 20°C through a piping system at 14,000 gal/min. (a) Determine the required brake horsepower. The average friction factor is 0.018. (b) If there is 65 ft of 12-in-diameter pipe upstream of the pump, how far below the surface should the pump inlet be placed to avoid cavitation? 1170 r/min 800 700 =600 Total head. It 5KH Jidia 100 3) (500 blp 200 V 12 16 20 24 28 U.S. gallons per minute x 1000 Fig. 11.7 U NPSH,
Transcribed Image Text:The 28-in-diameter pump in Fig. 11.7a at 1170 r/min is used to pump water at 20°C through a piping system at 14,000 gal/min. (a) Determine the required brake horsepower. The average friction factor is 0.018. (b) If there is 65 ft of 12-in-diameter pipe upstream of the pump, how far below the surface should the pump inlet be placed to avoid cavitation? 1170 r/min 800 700 =600 Total head. It 5KH Jidia 100 3) (500 blp 200 V 12 16 20 24 28 U.S. gallons per minute x 1000 Fig. 11.7 U NPSH,
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