Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 13 (Q.No. 28)
28.
Approximate ratio of the permeabilities of two clean soils having D10 = 0.6 mm and D10 = 0.3 mm is
4.0
3.75
4.25
3.5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

ARUN said:   8 years ago
K=100*D10.

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

Umesh H A assistant professor JIT DVG said:   7 years ago
Here, K is directly proportional to D10 square.

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