EXAMIANS
The specific retention is least in case of
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Specific capacity or yield of wells, is generally expressed, as
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In distribution pipes, drain valves are provided at
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Disinfection of drinking water, is done to remove
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Average annual rainfall at any station is the average of annual rainfall over a period of
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Asbestos pipes are
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Mathamoglobinemia or blue baby disease is caused due to
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Biochemical Oxygen Demand (B.O.D.) of safe drinking water must be
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Pick up the incorrect statement from the following. The underground sources of water, is from
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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
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