Irrigation Engineering
A fall in a canal bed is generally provided, if

None of these
Designed bed slope exceeds the ground slope
Ground slope is practically the same as the designed bed slope
Ground slope exceeds the designed bed slope

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Irrigation Engineering
Pick up the correct statement from the following mention

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

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