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Water Supply Engineering

Water Supply Engineering
Sunlight

reduces turbidity
impedes growth of algae
increases dissolved oxygen content
helps growth of bacterias

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Water Supply Engineering
The expected discharge to be obtained from an open well sunk in coarse sand is 0.0059 cumec. If the working depression head of the well is 3 m, the minimum diameter of the well, is

2.50 m
3.00 m
2.25 m
2 m

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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
The fire demand of a city may be worked out by

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

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

Deaths
Births
All listed here
Migrants

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Water Supply Engineering
Biochemical Oxygen Demand (B.O.D.) of safe drinking water must be

15
10
5
nil

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