A 50-year flood has an annual exceedance probability of which of the following?
A)0)5%.
B)5%.
C)25%.
D)50%.

Name: A 50-year flood has an annual exceedance probability of which of the following? A)0)5%. B)5%. C)25%. D)50%.
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Question

Quizplus · Accepted Answer

The term "50-year flood" means that the flood has a 2% chance (1 in 50) of occurring in any given year. The annual exceedance probability represents the likelihood of a flood occurring each year, so the answer is B) 5%.

A 50-Year Flood Has an Annual Exceedance Probability of Which