Civil Engineering - Irrigation - Discussion
Discussion Forum : Irrigation - Section 1 (Q.No. 23)
23.
Groynes are generally built
Discussion:
37 comments Page 4 of 4.
Akram said:
8 years ago
Repelling Groynes are built upstream at n angle 30°.
Shovan De said:
8 years ago
1. Attracting Groyne-pointed downstream and at an angle of 45-60° with downstream.
2. Deflecting Groyne-pointed upstream and at an angle of 20-30° with normal of the bank.
3. Repelling Groyne-At an angle of 90° with the bank.
Beside that T shape and inverted hocky shape Groyne also placed according to uses.
So I think the answer will all the above as not mentioning the type of Groyne is.
2. Deflecting Groyne-pointed upstream and at an angle of 20-30° with normal of the bank.
3. Repelling Groyne-At an angle of 90° with the bank.
Beside that T shape and inverted hocky shape Groyne also placed according to uses.
So I think the answer will all the above as not mentioning the type of Groyne is.
Rajjak Khan said:
8 years ago
I think D is the right answer.
Sujan said:
8 years ago
I think D is correct.
Sharmi said:
8 years ago
D is the correct answer.
Chiranjib Das said:
7 years ago
The Correct answer is A.
Soumik said:
7 years ago
Option c is not correct. The groynes which are built towards downstream have an oblique angle about 60° to 70°, not upto 30°. They are pointing towards downstream.
The option A and B are correct.
The option A and B are correct.
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