Soil Mechanics and Foundation Engineering problems
- 1. The seepage force in a soil, is
Options- A. perpendicular to the equipotential lines
- B. proportional to the exit graident
- C. proportional to the head loss
- D. all the above. Discuss
Correct Answer: all the above.
- 2. A flow line makes angles ?1 and ?2 with the normal to the interface of the soils having permeabilities k1, k2 before and after deflection. According to the law of deflection of the flow lines at the interface of the dissimilar soils
Options- A.
- B.
- C.
- D.
Discuss
Correct Answer:
- 3. Accurate determination of water content, is made by
Options- A. calcium carbide method
- B. sand bath method
- C. alcohol method
- D. oven-drying method. Discuss
Correct Answer: oven-drying method.
- 4. 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
Correct Answer: void ratio
- 5. 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
Correct Answer: natural water content minus its plastic limit to its plasticity index
- 6. 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
Correct Answer: tan2 (45° - ?/2)
- 7. 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
Correct Answer: 20%
- 8. 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
Correct Answer: liquid limit
- 9. 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. Discuss
Correct Answer: down and outwards on a slip surface
- 10. 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
Correct Answer: Silty clayloam contains highest percentage of silt
More in Civil Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.