Irrigation Engineering
If water table is comparatively high, the irrigation canal becomes useless, due to

Large amount of seepage
All of these
Water logging of the cultivated areas
Uncertain water demand

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Irrigation Engineering
In rigid module, the discharge

Depends upon the water level in distributary
Depends upon the water levels of both, i.e. distributary and water course
Depends upon the water level in the water course
Is independent of water levels in the distributary and water course

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