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Civil Engineering - GATE Exam Questions - Discussion

Discussion Forum : GATE Exam Questions - Section 4 (Q.No. 3)
GATE Exam Questions
3.
The ordinate of the Instantaneous Unit Hydrograph (IUH) of a catchment at any time t, is
The slope of the 1-hour unit hydrograph at that time
The slope of the direct runoff unit hydrograph at that time
Difference in the slope of the S-curve and 1-hour unit hydrograph
The slope of the S-curve with effective rainfall intensity of 1 cm/hr
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.
Shams said:   6 years ago
The limiting case of a unit hydrograph of zero duration is known as instantaneous unit hydrograph (IUH). The ordinate of one IUH at any time 't' is the slope of S-curve of intensity 1 cm/hr.
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