to avoid cut off trench to permit steep slopes for the u/s and d/s faces to reduce the seepage through the dam to provide stability to the central core

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40% of the total failures 30% of the total failures 50% of the total failures 60% of the total failures

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sub-critical flow super critical flow critical flow laminar flow

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critical flow spatially varied flow gradually varied flow rapidly varying flow

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fish ladder divide wall spillway head regulator

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the canal section is too large the canal has steep bed slope the volume of excavation is in excess of embankment filling the canal alignment is meandrous

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to contain the saturation gradient line within the bank to Increase the cross-sectional area of the canal to increase the stability of the bank to be used as an inspection track

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natural ground slope is more than the design slope natural ground slope is same as the design slope natural ground slope is less than the design slope the canal runs in deep cutting

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dissipating excess energy acting as a forebay discharging waste water from the canal none of the above

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below the bed level of the drain above the bed level of the drain but below the high flood level above the high flood level none of the above

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