Irrigation Engineering
The most suitable section of a lined canal, is

Both (a) and (b)
Trapezoidal section with rounded corners for large canals
None of these
Triangular section with circular bottom for small canals

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Irrigation Engineering
For a standing crop, the consumptive use of water is equal to the depth of water

Used by the crop in transpiration, evaporation and also the quantity of water evaporated from adjacent soil
Transpired by the crop
Evaporated by the crop
Transpired and evaporated by the crop

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