Irrigation Engineering
According to Bligh's creep theory, percolating water flows along

Straight path under the foundation of the dam
Circular path under the foundation of the dam
The outline of the base of the foundation of the dam
None of these

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Irrigation Engineering
A counter berm is

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

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