In a pumping station 18,000 cum water is to be raised per day from an intake well to a sedimentation tank under the static head of 21 m. Lengths of suction pipe and rising main are 40 m and 150 m respectively.. Diameter of pipes is 50 cm. There are two shifts of working of pumps each of 8 hours. Take coefficient of friction as 0.01, and combined efficiency of motor and pump as 80%. Recommends the number of units of pumps each having В.Н.Р. of 30.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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In a pumping station 18,000 cum
water is to be raised per day from an
intake well to a sedimentation tank
under the static head of 21 m. Lengths
of suction pipe and rising main are 40
m and 150 m respectively. Diameter
of pipes is 50 cm. There are two shifts
of working of pumps each of 8 hours.
Take coefficient of friction as 0.01,
and combined efficiency of motor and
pump as
80%. Recommends the
number of units of pumps each having
В.Н.Р. of 30.
Transcribed Image Text:In a pumping station 18,000 cum water is to be raised per day from an intake well to a sedimentation tank under the static head of 21 m. Lengths of suction pipe and rising main are 40 m and 150 m respectively. Diameter of pipes is 50 cm. There are two shifts of working of pumps each of 8 hours. Take coefficient of friction as 0.01, and combined efficiency of motor and pump as 80%. Recommends the number of units of pumps each having В.Н.Р. of 30.
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