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- Question
According to Coulomb's wedge theory, the active earth pressure slides the wedge
Options- A. down and outwards on a slip surface
- B. up and inwards on a slip surface
- C. horizontal upward and parallel to base
- D. horizontal inward and parallel to base.
- Correct Answer
- down and outwards on a slip surface
- 1. The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known
Options- A. liquid limit
- B. plastic limit
- C. shrinkage limit
- D. permeability limit. Discuss
- 2. The weight of a pycnometer containing 400 g sand and water full to the top is 2150 g. The weight of pycnometer full of clean water is 1950 g. If specific gravity of the soil is 2.5, the water content is
Options- A. 5%
- B. 10%
- C. 15%
- D. 20% Discuss
- 3. The active earth pressure of a soil is proportional to (where ? is the angle of friction of the soil)
Options- A. tan (45° - ?)
- B. tan2 (45° + ?/2)
- C. tan2 (45° - ?/2)
- D. tan (45° + ?) Discuss
- 4. The liquidity index is defined as a ratio expressed as percentage of
Options- A. plastic limit minus the natural water content, to its plasticity index
- B. natural water content minus its plastic limit to its plasticity index
- C. natural water content plus its plastic limit to its plasticity index
- D. liquid limit minus the natural water content to the plasticity index. Discuss
- 5. The ratio of the volume of voids to the volume of soil solids in a given soil mass, is known
Options- A. porosity
- B. specific gravity
- C. void ratio
- D. water content. Discuss
- 6. Pick up the correct statement from the following:
Options- A. Sandy clayloam contains highest percentage of sand
- B. Silty clayloam contains highest percentage of silt
- C. Stiff boulder clay offers maximum shear strength
- D. Soft chalk carries least safe load
- E. All the above. Discuss
- 7. The effective size of particles of soil is denoted by
Options- A. D10
- B. D20
- C. D30
- D. D60 Discuss
- 8. The coefficient of compressibility of soil, is the ratio of
Options- A. stress to strain
- B. strain to stress
- C. stress to settlement
- D. rate of loading to that of settlement. Discuss
- 9. If the failure of a finite slope occurs through the toe, it is known as
Options- A. slope failure
- B. face failure
- C. base failure
- D. toe failure. Discuss
- 10. The fluid generally used for grouting is
Options- A. cement and water mix
- B. clay suspension
- C. sodium silicate
- D. bitumen emulsion
- E. all the above. Discuss
Soil Mechanics and Foundation Engineering problems
Search Results
Correct Answer: liquid limit
Correct Answer: 20%
Correct Answer: tan2 (45° - ?/2)
Correct Answer: natural water content minus its plastic limit to its plasticity index
Correct Answer: void ratio
Correct Answer: Silty clayloam contains highest percentage of silt
Correct Answer: D10
Correct Answer: strain to stress
Correct Answer: toe failure.
Correct Answer: all the above.
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