Question

Pipe drains run _______________

(a) longitudinally on the bed and transverse to the length of canal on the side slopes

(b) longitudinally to the length of the canal on the side slopes and transverse to the bed

(c) longitudinally to the length of the canal

(d) transverse to the bed

The question was asked during an interview.

My question is taken from Canal Lining topic in division Lining of Irrigation Canals and its Economics of Irrigation Engineering

Answer 1

Correct choice is (a) longitudinally on the bed and transverse to the length of canal on the side slopes

For explanation: Provision of open-jointed pipe drains is one of the methods of drainage arrangements. It will run longitudinally on a trench excavated below the lining on the canal bed along the length of the canal and transverse to the length of the canal on the side slopes.