Civil Engineering - Irrigation - Discussion

All of the above is the right answer.

All of the above is the correct answer.

1. Repelling groynes-(60°-80° inclination from bank, pointing upstream).

2. Attracting groynes-(45°-60° pointed downstream).

3. Deflecting groynes- (made perpendicular to the bank only deflect the flow without repelling the flow, it only gives local protection).

4. Denchey T-headed Groyne-(a special type of Groyne- in which earthen embankment projecting from a marginal bonds, T shape,spaced 800m apart ,head of the Groyne- has a slope on both sides and are heavily protected by stone).

A is the correct answer.

Because groynes are the structure provided perpendicular to the flow of the river to project bank up it certain distance U/S and D/S.

A, B is right.

C is wrong since attracting groynes has 45-60 degree d/s.

You are right @Maria saeed.

A is the right answer.

I also agree with @Subin Sekhar.

@all.

Repelling groynes are used to move away the water it means don't allow water to erose the bank of river. So the answer is correct.

Upstream is for repelling groyne.