Completely solve and box the final answers. Write legiblyBrake Horsepower of Centrifugal Pump. Using Fig. 3.3-2 and a flowrate of 60gal/min, do as follows.a.Calculate the brake hp of the pump using water with a density of 62.4 lbm/ft3. (ans. 0.81 hp or 0.60 kW). Compare with the value from the curve.b.Do the same for a nonviscous liquid having a density of 0.85 g/cm3. (ans. 0.69 hp or 0.51 kW) 50401.6developed head301.2efficiency200.810-0.4brake horsepower020406080Discharge (U.S.gal/min)FIGURE 3.3-2. Characteristic curves for a single-stage centrifugal pump with water.(From W. L. Badger and J. T. Banchero, Introduction to ChemicalEngineering. New York: McGraw-Hill Book Company, 1955. Withpermission.)Developed Head (ft)Speed 1750 rpm806040200EfficiencyBrake Horsepower

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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Completely solve and box the final answers. Write legibly

Brake Horsepower of Centrifugal Pump. Using Fig. 3.3-2 and a flowrate of 60
gal/min, do as follows.

a.Calculate the brake hp of the pump using water with a density of 62.4 lbm/ft3. (ans. 0.81 hp or 0.60 kW). Compare with the value from the curve.

b.Do the same for a nonviscous liquid having a density of 0.85 g/cm3. (ans. 0.69 hp or 0.51 kW)

50
40
1.6
developed head
30
1.2
efficiency
20
0.8
10
-0.4
brake horsepower
0
20
40
60
80
Discharge (U.S.gal/min)
FIGURE 3.3-2. Characteristic curves for a single-stage centrifugal pump with water.
(From W. L. Badger and J. T. Banchero, Introduction to Chemical
Engineering. New York: McGraw-Hill Book Company, 1955. With
permission.)
Developed Head (ft)
Speed 1750 rpm
80
60
40
20
0
Efficiency
Brake Horsepower

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