Civil Engineering - Water Supply Engineering - Discussion

44. 

Average annual rainfall at any station is the average of annual rainfall over a period of

[A]. 7 years
[B]. 14 years
[C]. 21 years
[D]. 28 years
[E]. 35 years.

Answer: Option E

Explanation:

No answer description available for this question.

Harsha said: (Jan 13, 2017)  
I think it is 30. Am I right?

Priya said: (Feb 16, 2018)  
Yes, it is 30. I also agree.

Vidya said: (Nov 26, 2018)  
It's 30 to 35 years. So, Answer E is correct.

Malatesh said: (May 31, 2019)  
It is 35 to 50 years. In India it is taken as 50 years.

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