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Water Supply Engineering

Water Supply Engineering
Disinfection of drinking water, is done to remove

turbidity
bacterias
colour
odour

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Water Supply Engineering
The yield of a rapid gravity filter as compared to that of slow sand filter, is

15 times
10 times
30 times
20 times

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Water Supply Engineering
Surge tanks are used

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

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

lower point
junction points
higher point
any where

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Water Supply Engineering
Mathamoglobinemia or blue baby disease is caused due to

Chlorides
Nitrites
Nitrates
Sulphides

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Water Supply Engineering
The specific retention is least in case of

Coarse gravel.
Clay
Sand
Silt

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MORE MCQ ON Water Supply Engineering

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