If the risk of a flood occurring in the next 10 years is accepted to 1 – McqOptions

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1.	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.	1 + (0.9)010
B.	1 – (0.9)°l0
C.	1/(1-0.9°10)
D.	1/(1+ 0.9010)
Answer» D. 1/(1+ 0.9010)

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