Q. Retrogression of the bed level of a river downstream a weir, occurs due to

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Q. The main function of a diversion head works of a canal from a river, is

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Q. When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. does not touch the underside of the supporting structure, the structure so provided, is called

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Q. For the conditions enumerated to provide a crossing at C1 You will probably provide

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Q. If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the perimeter of the canal is

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Q. The crest level of a canal diversion head work, depends upon

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Q. The depth of rice root zone, is

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Q. The intensity of irrigation means

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Q. The saturation line is the line up to which banks get saturated after the canal runs for some time. The saturation gradient in ordinary loam soil, is generally

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Q. The depth of the crest of a scouring sluice below the crest of a head regulator, is generally kept

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Q. A river training work is generally required when the river is

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Q. Pick up the correct statement from the following:

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Q. According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase

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Q. In a canal syphon, the flow is

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Q. A water-logged land is found suitable for cultivation due to

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Q. When a canal and a drainage approach each other at the same level, the structure so provided, is

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Q. For smooth entry of water in a canal, the angle between head regulator and water is generally kept

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Q. For the stability of a structure against seepage pressure according to Khosla's creep theory, the critical gradient is

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Q. Pick up the correct statement from the following

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Q. Groynes are generally built

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