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Water Supply Engineering

Water Supply Engineering
The factor affecting per capita demand, is

cost of water
All listed here
size of the city
climatic conditions

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Water Supply Engineering
To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length of the pipe is 1506 m and f = 0.01, ignoring other minor losses and assuming the economical diameter from Lea's formula D = 1.2 √Q, the water horse power of the pump is

450
400
600
500

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Water Supply Engineering
Surge tanks are used

for storage water
as overflow valves
to guard against water hammer
to increase the velocity in a pipeline

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Water Supply Engineering
In distribution pipes, drain valves are provided at

junction points
lower point
any where
higher point

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Water Supply Engineering
According to IS : 1172-1963, a minimum of 135 litres of water capita per day, is required for

hostels
All listed here
Nurses home and medical quarters
Boarding schools

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Water Supply Engineering
Aeration of water is done to remove

colour
odour
bacterias
hardness

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