Irrigation Engineering
The uplift pressure on the face of a drainage gallery in a dam is taken as

None of these
average of hydrostatic pressure at toe and heel
two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel
hydrostatic pressure at toe

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Irrigation Engineering
Pick up the correct statement from the following and answer

In a level crossing, a crest with its top at the canal F.S.L. is provided across the drainage at its up-stream junction with canal
In a level crossing a regulator is provided across the drainage at its down-stream
In a level crossing, a cross regulator is provided on the canal below the crossing
All of these

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

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