Irrigation Engineering
The peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3/sec, then the peak of 4-hours unit hydrograph will be

20 m3/sec
35 m3/sec
25 m3/sec
30 m3/sec

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Irrigation Engineering
A counter berm is

A vertical benching provided on the outer edge of the bank
A vertical benching provided on the inner edge of the bank
A horizontal benching provided on the outside slope
A horizontal benching provided on the inside slope

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Irrigation Engineering
A deep well

both (A) and (B)
has more discharge than a shallow well
is always deeper than a shallow well
is weaker structurally than a shallow well

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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

Total pressure on the surface is equal to ωx̅
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
All listed here

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