Irrigation Engineering
The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are
i) Water pressure
ii) Self weight
iii) Uplift
iv) Pressure due to earthquake
The correct answer is

Only (ii)
(i), (ii) and (iv)
(i), (ii), (iii) and (iv)
(i), (ii) and (iii)

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Irrigation Engineering
In rigid module, the discharge

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

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Irrigation Engineering
Pick up the correct statement from the following sentence

The escapes are aligned to take advantage of contours of lower values
The escapes must lead the surplus water to natural drainages
Escapes are essential safety valves in a canal system
All of these

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