1.78 67 2.67 ies in a system having a static l inor loss coefficient of 20. Dete

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Problem 6: Pumps A and B have the following characteristics
Pump A
Head (ft)
Pump B
Head (ft)
Q (cfs)
Efficiency
Q (cfs)
Efficiency
0.00
186
0.00
172
1.11
179
54
0.89
166
59
2.23
158
70
1.78
140
77
3.34
112
67
2.67
90
74
The pumps are arranged in series in a system having a static lift of 80 ft. The pipeline is 6-in in
diameter of 1200 ft with total minor loss coefficient of 20. Determine the operating conditions (Q,
head, and efficiency) and the power output for the system of two pumps. Use f= 0.022. What is
the head and efficiency of each pump under these conditions?
Transcribed Image Text:Problem 6: Pumps A and B have the following characteristics Pump A Head (ft) Pump B Head (ft) Q (cfs) Efficiency Q (cfs) Efficiency 0.00 186 0.00 172 1.11 179 54 0.89 166 59 2.23 158 70 1.78 140 77 3.34 112 67 2.67 90 74 The pumps are arranged in series in a system having a static lift of 80 ft. The pipeline is 6-in in diameter of 1200 ft with total minor loss coefficient of 20. Determine the operating conditions (Q, head, and efficiency) and the power output for the system of two pumps. Use f= 0.022. What is the head and efficiency of each pump under these conditions?
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