Q. The four major water supply distribution systems, are

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Q. Most important source of water for public water supply, is from

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Q. The most commonly used chemical for dechlorination of water, is

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Q. The prescribed hardness limit of potable water ranges between

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Q. For centrifugal pumps

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Q. The cast iron pipes for water supply system are used for

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Q. For plain chlorination of water, the quantity of chlorine used, is

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Q. Pick up the wrong nominal internal diameter of cast iron (spun) pipes in mm from the following :

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Q. Hardness of water can be removed by boiling if it is due to

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Q. A well is considered to be good if it is sunk into

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Q. The nitrate concentration in domestic water supplies, is generally limited to

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Q. Sluice valves in main water supplies

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Q. The ratio of the maximum daily consumption to the average daily demand, is

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Q. The ratio of discharge and plan area of a continuous flow type settling tank, is known

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Q. Pick up the correct statement from the following :

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Q. The maximum pressure to which a pipe is subjected to during its operation, is known

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Q. To control the growth of algae in reservoirs, the compound which is used, is

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Q. If the average daily demand of a city of 50, 000 population, is 20 m.l.d., the maximum daily demand is

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Q. Recuperation test is carried out to determine

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Q. Pick up the correct statement from the following :

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