EXAMIANS
For determining the velocity of flow of underground water, the most commonly used non-empirical formula is
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In slow sland filters, the turbidity of raw water can be removed only up to
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Average annual rainfall at any station is the average of annual rainfall over a period of
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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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By boiling water, hardness can be removed if it is due to
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In pressure supply mains, water hammer pressure is reduced by providing
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Surcharge storage zone of a reservoir, is
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The maximum depth of sedimentation tanks is limited to
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The factor affecting per capita demand, is
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