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Water Supply Engineering

Water Supply Engineering
Acidity in water is caused due to

All the above.
Mineral acids
Free CO₂
Aluminium sulphate

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Water Supply Engineering
Asbestos pipes are

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

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Water Supply Engineering
If the chosen diameter of a pipe, is less than the economical diameter

Head loss will be high
Cost of pipe will be less
All listed here
Cost of pumping will be more than saving

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Water Supply Engineering
The fire demand of a city may be worked out by

Bustan’s formula
All listed here
Freeman formula
Kuichling’s formula

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Water Supply Engineering
In pressure supply mains, water hammer pressure is reduced by providing

Sluice valves
None of these
Pressure relief valves
Air valves

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

calcium sulphate
calcium bicarbonate
magnesium sulphate
calcium nitrate

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