Irrigation Engineering
In case of a trapezoidal notch fall

Top length of the piers should not be less than their thickness
Splay upstream from the notch section is 45°
All listed here
Splay downstream from the notch section is 22½°

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Irrigation Engineering
Pick up the correct statement from the following mention

Capillary moisture held in the soil pores against gravity by surface tension, is utilised by plants
All of these
Hygroscopic water remains attached to soil molecules by chemical bond
Gravity water is harmful to crops

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Irrigation Engineering
The flow-mass curve is graphical representation of

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

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