Pump A Head (ft) Pump B Нead (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 Problem 7: The two pumps in problem 6 are now arranged in parallel. The static head is 40 ft. The pipe diameter is 9-in of 1200 ft length and the minor loss coefficient is 20. Determine the operating condition and power output (Q, head, and efficiency) and the power output for the system of two pumps. Use f= 0.022. What is the flow rate and efficiency of each pump?
Pump A Head (ft) Pump B Нead (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 Problem 7: The two pumps in problem 6 are now arranged in parallel. The static head is 40 ft. The pipe diameter is 9-in of 1200 ft length and the minor loss coefficient is 20. Determine the operating condition and power output (Q, head, and efficiency) and the power output for the system of two pumps. Use f= 0.022. What is the flow rate and efficiency of each pump?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Pump A
Head (ft)
Pump B
Нead (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
Transcribed Image Text:Problem 7: The two pumps in problem 6 are now arranged in parallel. The static head is 40 ft.
The pipe diameter is 9-in of 1200 ft length and the minor loss coefficient is 20. Determine the
operating condition and power output (Q, head, and efficiency) and the power output for the system
of two pumps. Use f= 0.022. What is the flow rate and efficiency of each pump?
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