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A centrifugal pump was designed for a 1940 rpm operation and a head of 63.4 m has a capacity of 201.2 l/s (lps) with a power of 135. kW. What effect will a speed reduction to 1200 rpm have on the head, capacity and power input of the pimp? What will be the changes in these variables if the impeller diameter is reduced from 332.5 mm to 275 mm while the speed is constant at 1800 rpm? Required a. For D = c, find Q2, H2 and P2 b. For N = c, find Q2, H2 and P2

A centrifugal pump was designed for a 1940 rpm operation and a head of 63.4 m has a capacity of 201.2 l/s (lps) with a power of 135. kW. What effect will a speed reduction to 1200 rpm have on the head, capacity and power input of the pimp? What will be the changes in these variables if the impeller diameter is reduced from 332.5 mm to 275 mm while the speed is constant at 1800 rpm? Required a. For D = c, find Q2, H2 and P2 b. For N = c, find Q2, H2 and P2

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A centrifugal pump was designed for a 1940 rpm operation and a head of 63.4 m has a capacity of 201.2 l/s (lps) with a power of 135. kW. What effect will a speed reduction to 1200 rpm have on the head, capacity and power input of the pimp? What will be the changes in these variables if the impeller diameter is reduced from 332.5 mm to 275 mm while the speed is constant at 1800 rpm?

Required

a. For D = c, find Q2, H2 and P2

b. For N = c, find Q2, H2 and P2

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