Irrigation Engineering
Infiltration capacity

changes with time
changes with location
is a constant factor
changes with both time and location

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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
Width of the throat should not be less than one-third of the bed width of main canal
All listed here
Minimum throat width should not be less than 60 cm

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