Flood frequency denotes the likelyhood of flood being equalled or exceeded.

Related MCQs

• To estimate the magnitude of a flood with a return period of T years, Gumbel's distribution method requires the following data pertaining to annual flood series i) mean value ii) standard deviation iii) length of record iv) coefficient of skew The correct answer is
• For a flood control reservoir, the effective storage is equal to
• If the R.L's of canal bed level and high flood level of drainage are 212.0 m and 210.0 m respectively, then cross drainage work will be
• Which of the following methods is used to estimate flood discharge based on high water marks left over in the past ?
• The stage of river carrying a discharge of Q m7sec at a point is 10 m and slope of water surface is (1/4000). The discharge of a flood at the same point and same stage of 10 m with a water surface slope of(l/1000)willbe
• The peak of a 4 hour flood hydrograph is 240 m3/sec . If the rainfall excess is 80 mm and base flow which is constant is 40 m3/sec, then the peak of 4-hours unit hydrograph will be
• For an annual flood series arranged in descending order of magnitude, the return for a magnitude listed at position period m in a total data N is
• If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be
• A levee on flood
• In order to estimate the high flood discharge in fan-shaped catchment, the formula used is