Question

A submerged weir is one in which the water level on the down streams side of the weir is:

Answer 1

Explanation:

When the water level on the downstream side of a weir is above the top surface of weir, it is known as submerged or drowned weir as shown in figure. The total discharge, over such a weir, is found out by splitting up the height of water, above the sill of the weir, into two portions.