canal outlet canal escape canal regulator canal fall

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silting river scouring river both silting and scouring river neither silting nor scouring river

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equal to 1 greater than 1 less than 1 less than or equal to 1

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average discharge maximum discharge dominant discharge critical discharge

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meander length to meander belt direct axial length of the river reach to curved length along the channel meander belt to meander length curved length along the channel to the direct axial length of the river reach

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A meander increases the river length but a cut off reduces the river length A cutoff increases the river length but a meander reduces the river length Both meander and cutoff increase the river length Both meander and cutoff decrease the river length

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presence of an excessive bed slope in the river degradation the extra turbulence generated by the excess of river sediment during floods none of the above

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head up water for adequate supply into the off-taking channel regulate water supply in the off- taking channel regulate excessive flood water regulate water supply in the main channel

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the applied head of water the horizontal length of floor the depth of upstream cutoff the depth of downstream cutoff

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combined use of surface and ground water resources use of irrigation water by cooperative of farmers use of irrigation water for both rabi and kharif season combined use of water for irrigation and for hydropower generation

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