Civil Engineering - UPSC Civil Service Exam Questions - Discussion

41. 

In a direct shear test the shear stress and normal stress on a dry sand sample at failure are 0.6 kg/cm2 and 1 kg/cm2 respectively. The angle of internal friction of the sand will be nearly

[A]. 25°
[B]. 31°
[C]. 37°
[D]. 43°

Answer: Option B

Explanation:

No answer description available for this question.

Arya said: (May 18, 2017)  
tan^-1(0.6/0.1)

Dharshit said: (Oct 26, 2017)  
It should be Tan^-(0.6/1).

Rakesh Kumar said: (Mar 12, 2018)  
We know that s=c+6Tan^.
For sandy soil c=0,
than, we findTan^.

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