Q. Plain chlorination is used for water

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Q. Underground water is obtained from

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Q. Pick up the correct statement from the following :

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Q. Pressure relief valves are provided in water mains

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Q. Pick up the incorrect statement from the following :

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Q. The percentage of chlorine in fresh bleaching powder is roughly

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Q. Higher yield may be expected from

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Q. Pick up the correct statement from the following :

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Q. The valve fitted closely in a recess against an opening in a pipe, is generally

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Q. For calculation of economical diameter D of a pipe in metres for a discharge Q to be pumped in cumecs, Lea suggested the empirical formula

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Q. Raw water treated with only chlorine, is known as

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Q. The level of underground water is called

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Q. Per capita demand of water is calculated in litres

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Q. P.V.C. pipes can withstand pressure bead of water upto

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Q. 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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Q. A pressure conduit carrying water beneath a stream or a canal, is known as

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Q. Suction lift of a pump depends upon

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Q. For 3.25 x 10^-2 cumecs discharging from a well, a pump is installed to lift water against a total head of 30 m. The minimum required horse power, is

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Q. Capacity of soil to absorb moisture, is generally known as

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Q. At break point of chlorination,

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