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
A counter berm is

A horizontal benching provided on the outside slope
A horizontal benching provided on the inside slope
A vertical benching provided on the outer edge of the bank
A vertical benching provided on the inner edge of the bank

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