To estimate the magnitude of a flood with a return period of T years, – McqOptions

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1.	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 seriesi) mean valueii) standard deviationiii) length of recordiv) coefficient of skewThe correct answer is
A.	(i) and (ii)
B.	(i),(ii) and (iii)
C.	(i), (ii) and (iv)
D.	(i), (ii), (iii) and (iv)
Answer» C. (i), (ii) and (iv)

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