A centrifugal pump is used to transport 25 gpm of acetone at 78°F. Thedifferential pressure across the pump is 50 psi. The vapor pressure of acetone at thistemperature is 5.6 psia, viscosity is 0.3 cP, and density is 49 lbm/ft³ (specific gravity =0.79). The pump efficiency is 70%. The input shaft horsepower (hp) to drive the pump ismost nearly:A. 0.12B. 0.73C. 1.04D. 1.35

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A centrifugal pump is used to transport 25 gpm of acetone at 78°F. The
differential pressure across the pump is 50 psi. The vapor pressure of acetone at this
temperature is 5.6 psia, viscosity is 0.3 cP, and density is 49 lbm/ft³ (specific gravity =
0.79). The pump efficiency is 70%. The input shaft horsepower (hp) to drive the pump is
most nearly:
A. 0.12
B. 0.73
C. 1.04
D. 1.35

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