Civil Engineering - Soil Mechanics and Foundation Engineering

21. 

The compression index of a soil

A. decreases with an increase in the liquid limit
B. increases with an increase in the liquid limit
C. decreases with an increase in the plastic limit
D. is not related with plastic limit.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

22. 

Pick up the correct statement from the following:

A. The void space between the soil grains, is filled partly with air and partly with water
B. In perfectly saturated soil, the voids are completely filled with water
C. In dry soil, the voids are completely filled with air
D. all the above.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

23. 

For a homogeneous earth dam 50 m high having 2 m free broad, a flow net was constructed and the results were : Number of potential drops = 2.4 Number of flow channels = 0.4. If coefficiency of permeability of the dam mateiral is 3 x 10-3 cm3/sec, the discharge per metre length of dam, is

A. 12 x 10-5 m3/sec
B. 24 x 10-3 m3/sec
C. 6 x 10-5 m3/sec
D. 24 x 10-5 m3/sec

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

24. 

W is the weight of soil having a moisture content ω. If V is the volume of proctor's mould, the dry density of the soil is

A.
B.
C.
D.

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

25. 

For shear strength, triaxial shear test is suitable because

A. it can be performed under all three drainage conditions
B. precise measurement of the pore pressure and volume change during the test is possible
C. stress distribution on the failure plane, is uniform
D. state of stress within the specimen during any stage of the test as well as at failure, is completely determined
E. all the above.

Answer: Option E

Explanation:

No answer description available for this question. Let us discuss.