EXAMIANS
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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Biochemical Oxygen Demand (B.O.D.) of safe drinking water must be
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To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length of the pipe is 1506 m and f = 0.01, ignoring other minor losses and assuming the economical diameter from Lea's formula D = 1.2 √Q, the water horse power of the pump is
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To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length of the pipe is 1506 m and f = 0.01, ignoring other minor losses and assuming the economical diameter from Lea's formula D = 1.2 √Q, the water horse power of the pump is
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For the prediction of future population of a city, the factor to be considered, is
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Turbidity of raw water is a measure of
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In slow sland filters, the turbidity of raw water can be removed only up to
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Surge tanks are used
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Pick up the incorrect statement from the following. The underground sources of water, is from
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Mathamoglobinemia or blue baby disease is caused due to
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