Irrigation Engineering
As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at

lower level
higher level
any of the above depending on the design
same level

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Irrigation Engineering
If A is the area of the surface, x̅ is the depth of its C.G. from the surface of the water and ω is the density of water, then

Depth of the centre of pressure is 2/3H vertically below the surface
Total pressure on the surface is equal to ωx̅
All listed here
Depth of the point at which total pressure acts is equal to its moment of inertia divided by Ax̅

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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 cross regulator is provided on the canal below the crossing
All of these
In a level crossing a regulator is provided across the drainage at its down-stream

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