In a pumping station 18000 m³ 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 pipes and raising 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%. Recommend the number of units of pumps each having BHP 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
18000 m³ 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
pipes and raising
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%.
Recommend the
number of units of
pumps each having
BHP of 30.
Transcribed Image Text:In a pumping station 18000 m³ 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 pipes and raising 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%. Recommend the number of units of pumps each having BHP of 30.
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