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The 32-in diameter pump has a performance curve as below. The pump is used at 1170 rpm in a system whose head curve is hp = 110 + 1.5Q2 (in ft), with Q in units of thousands of gallons of water per minute. Please estimate the discharge required for one pump installed in the system. 800 n=1170 r/min NPSH 50 40

The 32-in diameter pump has a performance curve as below. The pump is used at 1170 rpm in a system whose head curve is hp = 110 + 1.5Q2 (in ft), with Q in units of thousands of gallons of water per minute. Please estimate the discharge required for one pump installed in the system. 800 n=1170 r/min NPSH 50 40

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 32-in diameter pump has a performance curve as below. The pump is used at 1170 rpm in a system whose head curve is hp = 110 + 1.5Q2 (in ft), with Q in units of thousands of gallons of water per minute. Please estimate the discharge required for one pump installed in the system. Total head, ft 800 700 600 500 400 300 200 0 O 20000 GPM O 15000 GPM O 12500 GPM O 17500 GPM n = 1170 r/min 36-in dia. 32-in dia. 28-in dia. 8 NPSH 1 1500 bhp .87% 88% 2000 bhp 3000 bhp 87% 12 16 20 24 U.S. gallons per minute x 1000 3500 bhp 2500 bhp 28 50 40 30 20 NPSH, ft
Transcribed Image Text:The 32-in diameter pump has a performance curve as below. The pump is used at 1170 rpm in a system whose head curve is hp = 110 + 1.5Q2 (in ft), with Q in units of thousands of gallons of water per minute. Please estimate the discharge required for one pump installed in the system. Total head, ft 800 700 600 500 400 300 200 0 O 20000 GPM O 15000 GPM O 12500 GPM O 17500 GPM n = 1170 r/min 36-in dia. 32-in dia. 28-in dia. 8 NPSH 1 1500 bhp .87% 88% 2000 bhp 3000 bhp 87% 12 16 20 24 U.S. gallons per minute x 1000 3500 bhp 2500 bhp 28 50 40 30 20 NPSH, ft
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