Soil Mechanics and Foundation Engineering problems
- 1. If water content of a soil is 40%, G is 2.70 and void ratio is 1.35, the degree of saturation is
Options- A. 70%
- B. 75%
- C. 80%
- D. 85%
- E. 90% Discuss
Correct Answer: 80%
- 2. The length/diameter ratio of cylindrical specimens used in triaxial test, is generally
Options- A. 1
- B. 1.5
- C. 2
- D. 2.5
- E. 3 Discuss
Correct Answer: 2
- 3. 'Talus' is the soil transported by
Options- A. wind
- B. water
- C. glacier
- D. gravitational force. Discuss
Correct Answer: gravitational force.
- 4. The degree of saturation of the soil sample stated in Question No. 11.243, is
Options- A. 54%
- B. 64%
- C. 74%
- D. 84% Discuss
Correct Answer: 84%
- 5. If voids ratio is 0.67, water content is 0.188 and specific gravity is 2.68, the degree of saturation of the soil, is
Options- A. 25%
- B. 40%
- C. 60%
- D. 75% Discuss
Correct Answer: 75%
- 6. A direct shear test possesses the following disadvantage:
Options- A. A relatively thin thickness of sample permits quick drainage
- B. A relatively thin thickness of sample permits quick dissipation of pore pressure developed during the test
- C. As the test progresses the area under shear, gradually changes
- D. none of these. Discuss
Correct Answer: As the test progresses the area under shear, gradually changes
- 7. Tergazhi's theory of one dimensional consolidation assumes
Options- A. soil is homogeneous and fully saturated
- B. water and soil particles are incompressible
- C. deformation of the soil, is entirely due to change in volume
- D. Darcey's law for the velocity of flow of water through soil, is perfectly valid
- E. all the above. Discuss
Correct Answer: all the above.
- 8. Hydrometer readings are corrected for:
Options- A. temperature correction
- B. meniscus correction
- C. dispersing agent correction
- D. meniscus and dispersing agent corrections
- E. temperature, meniscus and dispersing agent corrections. Discuss
Correct Answer: temperature, meniscus and dispersing agent corrections.
- 9. The Mohr's straight theory is based on the following fact :
Options- A. Material fails essentially by shear
- B. Ultimate strength of the material is determined by the stress in the plane of slip
- C. Failure criterion is independent of the intermediate principal stress
- D. All the above. Discuss
Correct Answer: All the above.
- 10. Through a point in a loaded soil mass, there exists n typical planes mutually orthogonal on which the stress is wholly normal and no shear stress acts, if n is
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
Correct Answer: 3
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