Q. In sewers the gas generally found, is

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Q. A sewer running partially full and hurried with back filled, fails in compression due to

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Q. A manhole is classified as shallow if its depth is between

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Q. The ratio of the diameter of a circular section and the side of a square section hydraulically equivalent, is

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Q. Pick up the correct statement from the following :

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Q. For trunk and out-fall, the type of sewers generally used, is

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Q. Pick up the incorrect statement from the following :

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Q. Hydraulic mean radius is

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Q. Sewer ventilating columns are generally placed at

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Q. In case of Imhoff tanks,

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Q. If the depth of partial flow in a sewer of diameter 2 m, is 50 cm, its wetted perimeter is

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Q. A drop manhole is provided if

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Q. In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is

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Q. In septic tanks,

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Q. The sewer pipe which carries sewage from a building for immediate disposal is

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Q. The algae dies out in the zone of

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Q. The recommended detention period for grit chambers is

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Q. Pick up the correct statement from the following :

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Q. Pick up the correct statement from the following :

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Q. The liquid wastes from kitchens, bath rooms and wash basins, is not called

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