Irrigation Engineering
If there are two canals taking off from each flank of a river, then there will be

two divide walls and two undersluices
one divide wall and two undersluices
one divide wall and one undersluice
two divide walls and one undersluice

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Irrigation Engineering
For a standing crop, the consumptive use of water is equal to the depth of water

Transpired and evaporated by the crop
Transpired by the crop
Evaporated by the crop
Used by the crop in transpiration, evaporation and also the quantity of water evaporated from adjacent soil

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Irrigation Engineering
For designing the venturi head,

Width of the throat should not be less than one-third of the bed width of main canal
Minimum throat width should not be less than 60 cm
Length of the throat should be 2.5 times the depth measured to F.S.L. in the main canal
All listed here

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