Irrigation - Engineering

Q1:

Canals constructed for draining off water from water logged areas, are known

A drains

B inundation canals

C valley canals

D contour canals

E ridge canals.

ANS:A - drains

Inundation canal systems are constructed along the side of a perennial river. As soon as the flood in the river reaches a certain level, water starts to flow in the canals towards the fields.

So, the given answer is correct.