Plot the system head and the pump characteristic curves for the data given. At what point should the pump operate?
Total dynamic head | (ft) 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 |
Flow (gal/min) | 200 | 500 | 700 | 850 | 975 | 1075 | 1200 | 1300 |
Efficiency (%) | Horsepower (hp) | Total Head (ff) | Flow (gal/min) |
22 | 8 | 95 | 225 |
37 | 12 | 93 | 400 |
49 | 17 | 90 | 600 |
57 | 20 | 87 | 800 |
63 | 22 | 84 | 1000 |
64 | 23 | 78 | 1200 |
62 | 24 | 72 | 1400 |
59 | 25 | 64 | 1600 |
54 | 26 | 49 | 1800 |
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