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Water Supply Engineering

Water Supply Engineering
Turbidity of raw water is a measure of

Suspended solids
None of these
Acidity of water
O.D

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Water Supply Engineering
The maximum depth of sedimentation tanks is limited to

4 m
3 m
6 m
5 m

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Water Supply Engineering
The process of passing water through beds of granular materials, is called

None of these
Sedimentation
Filtration
Screening

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Water Supply Engineering
In slow sland filters, the turbidity of raw water can be removed only up to

60 mg/litre
150 mg/litre
75 mg/litre
100 gm/litre

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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

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

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Water Supply Engineering
Acidity in water is caused due to

Mineral acids
Free CO₂
Aluminium sulphate
All the above.

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