Civil Engineering - Irrigation - Discussion

Discussion Forum : Irrigation - Section 1 (Q.No. 35)
35.
If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the perimeter of the canal is
R(θ + tan θ)
2R(θ + tan θ)
R(θ + cos θ)
2R(θ + cos θ)
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
11 comments Page 2 of 2.

Shubh said:   3 years ago
Perimetre = 2R(θ+Cotθ),
Area = R^2(θ+Cotθ),
Hydraulic radius = R=(A/P) = R/2.


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