Irrigation Engineering
According to Khosla, the exits gradient of surface flow

Is independent of the depths of d/s cut off walls
Is independent of the b/d ratio
Depends upon the b/d ratio
None of these

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Irrigation Engineering
In rigid module, the discharge

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

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