Question

A solid construction put across the river to raise its water level and divert the water into the canal, is known as

Answer 1

A solid construction put across the river to raise its water level and divert the water into the canal, is known as 'Weir.'

What is weir?

• A weir is like a low-level dam built across a river to upstream water level or maintain the water flow.  
• It is also called a small-scale dam that enables the water to pool behind them.  
• There are two types of weir: sharp-crested weir, broad crested weir, narrow crested weir, etc.