Irrigation Engineering
A divide wall is provided

Parallel to the axis of weir and upstream of it
Parallel to the axis of weir and downstream of it
At an inclination to the axis of weir
At right angle to the axis of weir

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Irrigation Engineering
The intensity of irrigation means

Percentage of the mean of culturable commanded area and the gross commanded area to be irrigated annually
Percentage of gross commanded area to be irrigated annually
Total depth of water supplied by the number of waterings
Percentage of culturable commanded area to be irrigated annually

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