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Water Supply Engineering

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

calcium sulphate
magnesium sulphate
calcium bicarbonate
calcium nitrate

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Water Supply Engineering
For the prediction of future population of a city, the factor to be considered, is

All listed here
Deaths
Migrants
Births

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

Sedimentation
None of these
Screening
Filtration

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

wells
springs
infiltration wells
storage reservoirs

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

Chlorides
Nitrates
Nitrites
Sulphides

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

20 times
10 times
30 times
15 times

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