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Which CD work is generally adopted when the drainage discharge is small and the drain crosses the canal with its bed level equal to or slightly higher than the canal FSL?

Which CD work is generally adopted when the drainage discharge is small and the drain crosses the canal with its bed level equal to or slightly higher than the canal FSL? Correct Answer Inlets and outlets

Level crossing is generally adopted when the canal and the drainage are practically at the same level and for high flood drainage discharge but short-lived. Aqueduct or super passage is adopted when high flood drainage discharge is large.

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