GATE Questions & Answers of Flood estimation and routing

What is the Weightage of Flood estimation and routing in GATE Exam?

Total 5 Questions have been asked from Flood estimation and routing topic of Hydrology subject in previous GATE papers. Average marks 1.00.

For routing of flood in a given channel using the Muskingum method, two of the routing coefficients are estimated as $\style{font-family:'Times New Roman'}{C_0=-0.25\;and\;C_1=0.55}$. The value of the third coefficient $C_2$ would be ______

A culvert is designed for a flood frequency of 100 years and a useful life of 20 years. The risk involved in the design of the culvert (in percentage, up to two decimal places) is ______

The type of flood routing (Group I) and the equation (s) used for the purpose (Group II) are given below.

Group I                     Group II
P   Hydrologic flood routing   1.  Continuity equation
Q   Hydraulic flood routing   2.  Momentum equation
    3.  Energy equation

A 1-h rainfall of 10 cm magnitude at a station has a return period of 50 years. The probability that a 1-h rainfall of magnitude 10 cm or more will occur in each oftwo successive years is:

A flood wave with a known inflow hydrograph is routed through a large reservoir. The outflow hydrograph will have