Civil Engineering - UPSC Civil Service Exam Questions - Discussion

28. 

Approximate ratio of the permeabilities of two clean soils having D10 = 0.6 mm and D10 = 0.3 mm is

[A]. 4.0
[B]. 3.75
[C]. 4.25
[D]. 3.5

Answer: Option A

Explanation:

No answer description available for this question.

Arun said: (Dec 19, 2017)  
K=100*D10.

=100*.6*.6=36,
K=100*.3*.3=9,
36/9=4.

Umesh H A Assistant Professor Jit Dvg said: (Sep 7, 2018)  
Here, K is directly proportional to D10 square.

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