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

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Irrigation Engineering
In rigid module, the discharge

Depends upon the water levels of both, i.e. distributary and water course
Depends upon the water level in distributary
Depends upon the water level in the water course
Is independent of water levels in the distributary and water course

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Irrigation Engineering
Effective precipitation for a crop may be defined as

Total precipitation minus the loss due to evaporation
Available water stored in soil within root zone of the crop
Total precipitation minus the loss due to infiltration
Total precipitation during the crop period

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