Question: fluid mechanics 84. Using the pump curve shown below, you need to specify a pump to deliver 22 m/hr at a head of 15 m.

fluid mechanics

84. Using the pump curve shown below, you need to specify a pump to deliver 22 m/hr at a head of 15 m. Match the impeller diameter, the pump horsepower, and the pump efficiency with the most appropriate measurement. 1750 RPM NOTE: NOT RECOMMENDED FOR OPERATION BEYOND PRINTED HQ CURVE. MODEL 3656/3756 S-GROUP SAI, BF, ABSIZE 1-1/2 X2-8 IMP. DWG. 118-88 METERS FEET NPSH-FEET 70 %EFF 50-60 70 20 A 8 1/16 DIA 5 60 B 73/4 70 119 15 TOTAL DYNAMIC HEAD 50 C 6 3/4 60 40 PHP 10 D'5 3/4" 30 22HP 20 5 HP 374 HP 12 HP 10 0 20 40 60 80 100 120 140 100 U.S. GPM 0 10 30 40 m/ 20 CAPACITY Pump Characteristics Impeller diameter (in.) Value 1 1/2 Pump horsepower (hp) Pump efficiency (%) 2 73/4 8 1/6 6 3/4 70 72 99

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