Irrigation Engineering
A counter berm is

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
A vertical benching provided on the outer edge of the bank

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Irrigation Engineering
A river is said to be of

All of these
Aggrading type if it builds up its bed to a certain slope
Meandering type if it flows in sinuous curve
Degrading type if it cuts its bed to a certain slope

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