Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 20 (Q.No. 20)
20.
What is the normal depth in a wide rectangular channel carrying 0.5 m3/s discharge at a bed slope of 0.0004 and Manning's n = 0.01 ?
0.13 m
0.32 m
0.43 m
0.50 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Kdm said:   4 years ago
If dimension are not given then;

Formula=(1/n) x( y ^5/3) x(s^1/2)= discharge;
.5/2 = y^5/3,
.25^3/5 = .435.

Chauhan said:   5 years ago
Please anyone explain the solution.

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