Q. In gravity canals, F.S.L. is

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Q. If d1 is the depth of cutting, d2 is the height of the bank from bed level r2 : 1 and r1 : 1 are the slopes in filling and cutting respectively, the horizontal distance n between the bed and bank, is

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Q. The structure constructed to allow drainage water to flow under pressure through an inverted syphon below a canal, is called

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Q. If D is the depth of water upstream of the throat above its sill, B is the width of the throat, to achieve critical flow in an open venturi flume, the theoretical maximum flow Q, is

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

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Q. Lacy's regime condition is obtained if

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Q. In Montague type fall

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Q. The velocity of drainage water in the barrels of a syphon-aqueduct, is normally limited to

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Q. A fall in a canal bed is generally provided, if

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Q. According to Khosla, the exist gradient of surface flow

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Q. Pick up the correct statement from the following:

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Q. If the irrigation efficiency is 80%, conveyance losses are 20% and the actual depth of watering is 16 cm, the depth of water required at the canal outlet, is

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Q. A deficit of sediments in flowing water may cause a river

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Q. Pick up the correct statement from the following:

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Q. Meandering of a river generally occurs, in

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Q. The consumptive use of water for a crop

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Q. In a barrage, the crest level is kept

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Q. For a standing crop, the consumptive use of water is equal to the depth of water

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Q. The state of the soil when plants fail to extract sufficient water for their requirements, is

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Q. The field capacity of a soil is 25%, its permanent wilting point is 15% and specific dry unity weight is 1.5. If the depth of root zone of a crop, is 80 cm, the storage capacity of the soil, is

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