UPSC Civil Service Exam Questions

Q1: Consider the following limitations :
1. Can be performed only on purely cohesionless soils
2. Plane of failure is predetermined
3. There is virtually no control on drainage
4. Non-uniform distribution of stresses
5. Principal stresses in the sample cannot be determined The limitations inherent in direct shear test include

A 1, 2 and 3

B 2, 3 and 4

C 3, 4 and 5

D 1, 2 and 5

ANS:D - 1, 2 and 5

D is the right answer.

1. Cohesion less (sand).
2. Plane of failure predetermined.
3. Yes, there is control on virtual drainage but pwp calculator is not defined.
4. No, there are proper block size 60*60 mould and stress is uniform.



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