9) Given the pump curve below and a system head curve of hp = 88 + 15.1 Q², where hp is in ft and Q is cfs, at what efficiency will the pump operate in the system? 130 120 110 100 90 80 70 60 50 40 30 a) 70 c) 82 Pump head, H (ft) 20 10 400 800 1200 1600 Capacity, Q (gpm) 86 84 80 78 76 74 b) 84 d) 86 Pump Head Curve -Efficiency Curve Efficiency (%)
9) Given the pump curve below and a system head curve of hp = 88 + 15.1 Q², where hp is in ft and Q is cfs, at what efficiency will the pump operate in the system? 130 120 110 100 90 80 70 60 50 40 30 a) 70 c) 82 Pump head, H (ft) 20 10 400 800 1200 1600 Capacity, Q (gpm) 86 84 80 78 76 74 b) 84 d) 86 Pump Head Curve -Efficiency Curve Efficiency (%)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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the marked choice is the correct answer.
Transcribed Image Text:9) Given the pump curve below and a system head curve of hp = 88 + 15.1 Q²,
where hp is in ft and Q is cfs, at what efficiency will the pump operate in the system?
130
120
110
100
90
80
70
60
50
40
30
20
10
a) 70
c) 82
Pump head, H (ft)
400 800 1200 1600
Capacity, Q (gpm)
86
84
80
78
76
74
b) 84
d) 86
Pump Head Curve
- Efficiency Curve
Efficiency (%)
.
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