A certain centrifugal pump was tested and its performance curves can be approximated as follows:H = 340 - 1.2(Q2), in feetBP = (0.0521Q3) + (1.25Q2) + (11.042Q) + 134.5, in horsepowerwhere Q is in ft3/s.If a single pump is used to deliver water of a system which requires a total of 8 ft3/s, what is the efficiency of the pump (in %)? Take the specific weight of water to be 62.4 lbf/ft3.

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Answered: A certain centrifugal pump was tested…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A certain centrifugal pump was tested and its performance curves can be approximated as follows:

H = 340 - 1.2(Q²), in feet

BP = (0.0521Q³) + (1.25Q²) + (11.042Q) + 134.5, in horsepower

where Q is in ft³/s.

If a single pump is used to deliver water of a system which requires a total of 8 ft3/s, what is the efficiency of the pump (in %)? Take the specific weight of water to be 62.4 lbf/ft³.

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