Irrigation Engineering
In case of a trapezoidal notch fall

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

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Irrigation Engineering
An artesian aquifer is the one where

water is under pressure between two impervious strata
water surface under the ground is at atmospheric pressure
water table serves as upper surface of zone of saturation
None of these

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Irrigation Engineering
Pick up the correct statement from the following mention

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

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