Civil Engineering :: Water Supply Engineering
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Raw water treated with only chlorine, is known as
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The level of underground water is called
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Per capita demand of water is calculated in litres
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The population of a city in 2000 is 50,000. The average increase in population over last 8 decades is 7500 and average incremental increase during 8 decades is 750. The population of the city based on incremental method, in the year 2020 will be
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Air inlet valve in water mains, is generally provided at
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The duration of contact of chlorine with water before it is served to the first consumer, should be at least
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The diameter of pipes in bath rooms and lavatories in domestic water supply, is
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Pick up the incorrect statement from the following :
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m and n are monsoon duration factor and catchment factor respectively. If P is yearly rainfall in cm, runoff can be calculated by
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A.
The water entering the slow sand filters should be treated by 9.386 coagulants
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B.
The depth of water on the filter should be twice the depth of the filter sand
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C.
When the filter head is 0.75 times the depth of filter sand, the water obtained is purest
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D.
The cleaning of slow sand filters is done by back washing
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E.
All the above.
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