Irrigation Engineering
The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is

greater than 1
less than 1
equal to 1
equal to zero

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

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