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

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

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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
Gravity water is harmful to crops
Hygroscopic water remains attached to soil molecules by chemical bond
All of these

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Irrigation Engineering
In a syphon aqueduct

Canal passes over the drainage and H.F.L. of the drainage is below the bottom of the canal trough
Drainage passes over the canal and F.S.L. of the canal is below the bottom of the drainage trough
Canal passes over the drainage and H.F.L. of the drainage is above the bottom of the canal trough
Drainage passes over the canal and F.S.L. of the canal is above the bottom of the drainage trough

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