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

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

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

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

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