1. A pump with characteristic curves as depicted below is placed in a 6-in diameter, 850-ft long pipeline (C = 100) used to lift water from one reservoir to another reservoir. The lower water surface elevation is 100 ft above msl (mean sea level) and the higher water surface elevation is 195 ft above msl. Specify the following for preliminary pump design: a) System operating point (i.e. total head and delivery flow rate) b) Pump efficiency c) Required pump motor horsepower d) Pump impeller type
1. A pump with characteristic curves as depicted below is placed in a 6-in diameter, 850-ft long pipeline (C = 100) used to lift water from one reservoir to another reservoir. The lower water surface elevation is 100 ft above msl (mean sea level) and the higher water surface elevation is 195 ft above msl. Specify the following for preliminary pump design: a) System operating point (i.e. total head and delivery flow rate) b) Pump efficiency c) Required pump motor horsepower d) Pump impeller type
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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Transcribed Image Text:1. A pump with characteristic curves as depicted below is placed in a 6-in diameter,
850-ft long pipeline (C = 100) used to lift water from one reservoir to another
reservoir. The lower water surface elevation is 100 ft above msl (mean sea level)
and the higher water surface elevation is 195 ft above msl. Specify the following
for preliminary pump design:
a) System operating point (i.e. total head and delivery flow rate)
b) Pump efficiency
c) Required pump motor horsepower
d) Pump impeller type
Total head (ft)
200
180
160
140
120
100
80
60
40
20
0
200
Efficiency
Head capacity"
Horsepower input
100
Tested at 1450 rpms
400
600
Flow (gpm)
90
80
70
60
50
40
30
20
10
0
800 1000
Efficiency in per cent: horsepower
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