SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Hydrology Flood Routing and Flood Control
The return period that a designer must use in the estimation of a flood for a hydraulic structure, if he is willing to accept 20 % risk that a flood of that or higher magnitude will occur in the next 10 years is ………..
\(take{\left( {0.80} \right)^{\frac{1}{{10}}}} = 0.978\)
1
95 years
2
75 years
3
45 years
4
25 years