Irrigation Engineering
A land is said to be water-logged if its soil pores within

A depth of 50 cm are saturated
A depth of 40 cm are saturated
Root zone of the crops are saturated
All listed here

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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

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

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