Irrigation Engineering
Generally the weir is aligned at right angles to the direction of the main river current because

It is economical
It ensures less length of the weir
It gives better discharging capacity
All of these

ANSWER DOWNLOAD EXAMIANS APP

Irrigation Engineering
A counter berm is

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

ANSWER DOWNLOAD EXAMIANS APP