Question

Which of the following statement is not correct about canal syphon?

(a) FSL of the canal is much above than the bed level of the drainage trough

(b) To minimize the trouble of silting, a ramp is provided at the exit

(c) The canal water flows under symphonic action

(d) For siphoning small discharges, barrels are adopted

I got this question in an interview for internship.

I want to ask this question from Types of Cross Drainage Work in division Cross Drainage Work of Irrigation Engineering

Answer 1

Correct answer is (d) For siphoning small discharges, barrels are adopted

The best explanation: For siphoning higher discharges, horseshoe-shaped, rectangular or circular barrels are adopted. For siphoning small discharges, precast RCC pipes are adopted.