Irrigation Engineering
Study the following statements.
i) Levees are constructed parallel to river flow,
ii) Spurs are constructed parallel to river flow,
iii) Levees are constructed transverse to river flow,
iv) Spurs are constructed transverse to river flow.
The correct answer is

(iii) and (iv)
(i) and (iv)
(i) and (ii)
(ii) and (iii)

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Irrigation Engineering
The flow-mass curve is graphical representation of

Cumulative discharge and time
Discharge and time in chronological order
Cumulative discharge, volume and time in chronological order
Discharge and percentage probability of flow being equaled or exceeded

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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
Total pressure on the surface is equal to ωx̅
Depth of the point at which total pressure acts is equal to its moment of inertia divided by Ax̅

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