Question

The drainage water is sometimes allowed to join the canal water to augment canal supplies through a hydraulic structure is called as ________________

(a) canal outlet

(b) canal inlet

(c) module

(d) level crossing

The question was asked in an interview.

My question is taken from Types of Cross Drainage Work topic in chapter Cross Drainage Work of Irrigation Engineering

Answer 1

Correct answer is (b) canal inlet

To explain: The structure allows the drainage water to enter the canal and get mixed with the canal water. It helps in augmenting canal supplies. It is adopted when high flood drainage discharge is small.