Question

Which of the following is a reason for surplus water present in a canal?

(a) No Fall

(b) No Proper Hydraulic Jump

(c) No Proper Uniform Velocity of Flow

(d) Cultivators closing their outlets thinking their demand is over

I got this question by my school principal while I was bunking the class.

My doubt is from Types of Canal Escapes topic in chapter Regulation Modules and Canal Structure of Irrigation Engineering

Answer 1

Right answer is (d) Cultivators closing their outlets thinking their demand is over

Explanation: The presence of the surplus amount of water in canal can be due to difficulty in regulation at the head or due to heavy rainfall or due to cultivators closing their outlets suddenly thinking that the demand of water is over.