Irrigation - Engineering

Q1:

Bed bars in a canal are provided

A to watch the general behaviour of canal

B to measure the discharge

C to raise the supply level

D to control the silting

E all the above.

ANS:A - to watch the general behaviour of canal

Bed bars or a profile walls are those masonary aur concrete toe wall like structures which are construted at suitable intervals along an unlined canal, so as to serve as permanent reference Marks and thus to indicate correct alignment and theoretical bed levels of the canal at these places.