Irrigation Engineering
Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain ?

canal regulator
canal outlet
canal escape
canal fall

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Irrigation Engineering
For designing the venturi head,

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

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