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

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

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Irrigation Engineering
Which one of the following statements is correct?

The canal system runs on ridges, gets divided into smaller channels and spreads its water on the land
The drainage system runs along the lowest line, collects drainage water from the slopes and joins the main stream
All listed here
The canal system and the drainage system are complementary

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