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- Question
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
- Correct Answer
- 3
- 1. 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
- 2. 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
- 3. 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
- 4. 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
- 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
- 6. Pick up the correct statement from the following:
Options- A. The range of water content between the liquid limit and plastic limit, is called plasticity index.
- B. The ratio of the liquid limit minus the natural water content to the plasticity index of soils, is called consistency index
- C. The ratio of natural water content minus its plastic limit to its plasticity index is called liquidity index
- D. The ratio between plasticity index and flow index (i.e. slope of flow curve in case of liquid limit), is called toughness index
- E. All the above. Discuss
- 7. The ratio of the weight of water to the weight of solids in a given mass of soil, is known
Options- A. porosity
- B. specific gravity
- C. void ratio
- D. water content. Discuss
- 8. A flow net may be utilised for the determination of
Options- A. exit gradient
- B. seepage
- C. hydrostatic pressure
- D. seepage pressure
- E. all the above. Discuss
- 9. The neutral stress in a soil mass is
Options- A. force per neutral area
- B. force per effective area
- C. stess taken up by the pore water
- D. stress taken up by solid particles. Discuss
- 10. A triaxial shear test is prefered to direct shear test, because
Options- A. it can be performed under all three driange conditions with complete control
- B. precise measurement of pore pressure and change in volume during test, is not posible
- C. stress distribution on the failure plane, is non uniform
- D. none of these. Discuss
Soil Mechanics and Foundation Engineering problems
Search Results
Correct Answer: All the above.
Correct Answer: temperature, meniscus and dispersing agent corrections.
Correct Answer: all the above.
Correct Answer: As the test progresses the area under shear, gradually changes
Correct Answer: 75%
Correct Answer: All the above.
Correct Answer: water content.
Correct Answer: all the above.
Correct Answer: stess taken up by the pore water
Correct Answer: it can be performed under all three driange conditions with complete control
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