The plunger diameter of a single-acting reciprocating pump is 115 mm and the stroke is 230 mm. The suction pipe is 90 mm in diameter and 4.2 m long. If cavitation takes place at the suction head of 4 m, the barometer stands at 10.3 m of water, and the water level in the sump is 3 m below the pump cylinder axis. 3.1 Find the maximum allowable speed to operate the pump 3.2 What power is expected in overcoming friction at this speed, take f = 0.01

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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QUESTION 3
The plunger diameter of a single-acting reciprocating pump is 115 mm and the stroke
is 230 mm. The suction pipe is 90 mm in diameter and 4.2 m long. If cavitation takes
place at the suction head of 4 m, the barometer stands at 10.3 m of water, and the
water level in the sump is 3 m below the pump cylinder axis.
3.1 Find the maximum allowable speed to operate the pump
3.2 What power is expected in overcoming friction at this speed, take f = 0.01
Transcribed Image Text:QUESTION 3 The plunger diameter of a single-acting reciprocating pump is 115 mm and the stroke is 230 mm. The suction pipe is 90 mm in diameter and 4.2 m long. If cavitation takes place at the suction head of 4 m, the barometer stands at 10.3 m of water, and the water level in the sump is 3 m below the pump cylinder axis. 3.1 Find the maximum allowable speed to operate the pump 3.2 What power is expected in overcoming friction at this speed, take f = 0.01
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