Question

What is the ratio of the depth of water levels over the crest is called?

(a) Efficiency of an Outlet

(b) Drowning Ratio

(c) Minimum Modular Head

(d) Modular Limit

I had been asked this question in class test.

Query is from Regulation Modules topic in section Regulation Modules and Canal Structure of Irrigation Engineering

Answer 1

The correct answer is (b) Drowning Ratio

The explanation: The ratio of the depth of water level over the crest on the downstream side to the depth of water level over the crest on the upstream side is called a drowning ratio.