Problem 6. The characteristic curve for a pump is shown below. Determine: a. the pump specific speed in US units, b. the type of pump and peak efficiency, c. and the impeller diameter. Flow Head (gpm) (ft) Efficiency (%) 0 161 0 250 158 32 500 157 58 750 155 74 1000 152 83 1250 151 90 1500 143 93 1750 130 90 2000 122 88 1,200 71.2 74 1,400 60.4 55
Problem 6. The characteristic curve for a pump is shown below. Determine: a. the pump specific speed in US units, b. the type of pump and peak efficiency, c. and the impeller diameter. Flow Head (gpm) (ft) Efficiency (%) 0 161 0 250 158 32 500 157 58 750 155 74 1000 152 83 1250 151 90 1500 143 93 1750 130 90 2000 122 88 1,200 71.2 74 1,400 60.4 55
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter13: Energy And Power
Section: Chapter Questions
Problem 5P
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Transcribed Image Text:Problem 6. The characteristic curve for a pump is shown below. Determine:
a. the pump specific speed in US units,
b. the type of pump and peak efficiency,
c. and the impeller diameter.
Flow
Head
(gpm)
(ft)
Efficiency
(%)
0
161
0
250
158
32
500
157
58
750
155
74
1000
152
83
1250
151
90
1500
143
93
1750
130
90
2000
122
88
1,200
71.2
74
1,400
60.4
55
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