Q. Aqueducts are generally designed

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Q. Gravity conduits

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Q. Carbonates in water produce

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Q. Hardness of water is caused by

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Q. A slow sand filter is cleaned if its filter head is higher than

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Q. A strainer type well sunk through three pervious layers intervened by three impervious aquicludes, draws water from

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Q. Dead storage of a reservoir of Q capacity generally provided for silt deposition during its life time, is generally kept

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Q. If the specific capacity of a well is 0.3183 x 10^-3 per sec, the discharge from a well of 4 m diameter under a depression head of 4 m, is

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Q. The factor to be considered for the source of city water supply, is

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Q. Pick up the correct statement from the following :

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Q. Yield of a drainage basin is :

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Q. Pick up the correct statement from the following :

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Q. Before constructing a dam, the factor to be considered for controlling sedimentation, is

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Q. The process of passing water through beds of granular materials, is called

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Q. Water to the consumers may be supplied from

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Q. Pickup the incorrect statement from the following :

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Q. Detention period of a settling tank is

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Q. Pick up the incorrect statement from the following :

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Q. The order of existence of three portions of water in a reservoir from the bottom to top is

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Q. The approximate diameter of a water mains for supplying 7.2 mld with a velocity 1.2 m/sec, is

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