A centrifugal pump having four stages in parallel delivers 12 kiloLiters per minute of liquid against a head of 25m. The diameter of the impeller being 24 cm has a speed of 1800 rpm. A pump is to be made up with a number of stages in series. In similar construction to that of the first pump to run at 1250 rpm and to deliver 15 kiloLiters/min against a total head of 250 m, find the number of stages required in this case.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A centrifugal pump having four stages in parallel delivers
12 kiloLiters per minute of liquid against a head of 25m.
The diameter of the impeller being 24 cm has a speed of
1800 rpm. A pump is to be made up with a number of
stages in series. In similar construction to that of the first
pump to run at 1250 rpm and to deliver 15 kiloLiters/min
against a total head of 250 m, find the number of stages
required in this case.
Select the correct response:
2.
4)
3.
Transcribed Image Text:A centrifugal pump having four stages in parallel delivers 12 kiloLiters per minute of liquid against a head of 25m. The diameter of the impeller being 24 cm has a speed of 1800 rpm. A pump is to be made up with a number of stages in series. In similar construction to that of the first pump to run at 1250 rpm and to deliver 15 kiloLiters/min against a total head of 250 m, find the number of stages required in this case. Select the correct response: 2. 4) 3.
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