Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 10 (Q.No. 29)
29.
The following four hydrological features have to be estimated or taken as inputs before one can compute the flood hydrograph at any catchment outlet:
1. Unit hydrograph
2. Rainfall hydrograph
3. Infiltration index
4. Base flow
The correct order in which they have to be employed in the computations is
1, 2, 3, 4
2, 1, 4, 3
2, 3, 1, 4
4, 1, 3, 2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Anil kumar said:   5 years ago
Unit hydrograph * excess rainfall = direct runoff hydrograph (DRH).

DRH + Base flow = flood hydrograph.
(1)

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