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Water Supply Engineering

Water Supply Engineering
By boiling water, hardness can be removed if it is due to

calcium bicarbonate
magnesium sulphate
calcium sulphate
calcium nitrate

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Water Supply Engineering
Asbestos pipes are

very much smooth and hydraulically efficient
light in weight and easy to transport
All listed here
highly resistant to corrosion

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Water Supply Engineering
Pick up the incorrect statement from the following. The underground sources of water, is from

infiltration wells
springs
storage reservoirs
wells

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

higher point
lower point
junction points
any where

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Water Supply Engineering
Surge tanks are used

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

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Water Supply Engineering
If four fires break out in a city of population 40 lakhs and if each hydrant has three streams and duration of each fire is four hours, the total quantity of water required, is

2880 kilo litres
4880 kilo litres
3880 kilo litres
1880 kilo litres

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