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- Question
In active state of plastic equilibrium in a non cohesive soil with horizontal ground surface
Options- A. major principal stress is horizontal
- B. minor principal stress is vertical
- C. major principal stress is vertical
- D. minor and major principal stresses are equally inclined to horizontal.
- Correct Answer
- major principal stress is vertical
- 1. A critical hydraulic gradient may occur when
Options- A. flow is in upward direction
- B. seepage pressure is in upward direction
- C. effective pressure is zero
- D. all the above. Discuss
- 2. Coulomb's wedge theory assumes that
Options- A. back fill is dry, cohesionless, homogeneous and isotropic
- B. slip surface is the plane which passes through the heel of the wall
- C. sliding wedge itself acts as a rigid body and the value of earth pressure is obtained by considering the limiting equilibrium of the wedge
- D. position and direction of the resultant earth pressure, are known
- E. all the above. Discuss
- 3. The minimum centre to centre distance of friction piles of 1 m diameter, is
Options- A. 2 m
- B. 2 m to 3 m
- C. 3 m to 4 m
- D. 5 m Discuss
- 4. The plasticity index is the numerical difference between
Options- A. liquid limit and plastic limit
- B. plastic limit and shrinkage limit
- C. liquid limit and shrinkage limit
- D. none of these. Discuss
- 5. Pick up the correct statement from the following:
Options- A. Isotropic consolidation of clay can be obtained in the triaxial apparatus under equal all-round pressure.
- B. If the present effective stress is the maximum to which the clay has ever been subjected, it is called normally consolidated clay
- C. If the present effective stress in the past was more than present effective stress, it is called over-consolidated clay
- D. All the above. Discuss
- 6. If drainage is permitted throughout the test, during the application of both normal, and shear stresses so that full consolidation occurs and no excess pore pressure is set up at any stage of the test, is known as
Options- A. quick test
- B. drained test
- C. consolidated undrained test
- D. none of these. Discuss
- 7. A saturated soil sample has water content of 40% and specific gravity of soil particles 2.7. The void ratio of the soil, is
Options- A. 0.4
- B. 0.52
- C. 1.08
- D. none of these. Discuss
- 8. The inventor of the term soil mechanics, was
Options- A. Kray
- B. Dr. Karl Terzaghi
- C. Leygue
- D. Fellenius. Discuss
- 9. The phreatic line in an earth dam may be
Options- A. circular
- B. elliptical
- C. parabolic
- D. a straight line
- E. all the above. Discuss
- 10. The total weight of a pycnometer with water and oven dried soil 20 (g) is 1600 g. The pycnometer filled with water alone weighs 1500 g. The specific gravity of the soil, is
Options- A. 1.0
- B. 1.5
- C. 2.0
- D. 2.5 Discuss
Soil Mechanics and Foundation Engineering problems
Search Results
Correct Answer: all the above.
Correct Answer: all the above.
Correct Answer: 3 m to 4 m
Correct Answer: liquid limit and plastic limit
Correct Answer: All the above.
Correct Answer: drained test
Correct Answer: 1.08
Correct Answer: Dr. Karl Terzaghi
Correct Answer: parabolic
Correct Answer: 2.0
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