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- Question
Which one of the following statements is true for Mohr-Coulomb envelope?
Options- A. Coulomb suggests that the relationship between shear strength and normal stress, is adequately represented by the straight line
- B. The generalised Mohr theory suggests that, though the shear stress depends on the normal stress, the relation is not linear
- C. Coulomb and Mohr suggest that a definite relationship exists among the principal stress and the angle of internal friction
- D. For an ideal pure friction material, the straight line passes through the origin.
- E. All the above.
- Correct Answer
- All the above.
- 1. Pick up the correct statement from the following:
Options- A. The dry density reduces by addition of water after attaining optimum moisture content
- B. The line joining the peak of three moisture content graphs obtained by using three compactive energies, is called line of optimus
- C. Well graded coarse grained soils can be compacted to a very high density as compared to fine grained soils
- D. All the above. . Discuss
- 2. Tergazhi's theory of one dimensional consolidation assumes
Options- A. load is applied in one direction
- B. coefficient of permeability is constant
- C. excess pore water drains out only in the vertical direction
- D. time lag in consolidation is due entirely to permeability
- E. all the above. Discuss
- 3. On wetting, cohesive soils,
Options- A. loose permeability
- B. gain shear strength
- C. loose elasticity
- D. decrease their shear strength. Discuss
- 4. The property of a soil which allows it to be deformed rapidly without rupture, elastic rebound and also a volume change, is known
Options- A. porosity
- B. plasticity
- C. permeability
- D. ductility. Discuss
- 5. Pick up the correct statement from the following:
Options- A. The object of classifying soils is to arrange them into groups according to their properties and behaviour
- B. A soil classification system is meant to provide an accepted and systematic method of describing the various types of soils eliminating personal factors
- C. The first category of soil classification is based on grain size of the soil
- D. The second category of soil classification is based on fine as well as coarse grains
- E. All the above. Discuss
- 6. The ratio of emax and emin of silty sand, is
Options- A. 2.0
- B. 5
- C. 3.0
- D. 3.5
- E. 4.0 Discuss
- 7. The angle of internal friction is maximum for
Options- A. angular-grained loose sand
- B. angular-grained dense sand
- C. round-grained dense sand
- D. round-grained loose sand
- E. clays. Discuss
- 8. Soils containing organic matters
Options- A. are of spongy nature
- B. swell with decrease of moisture
- C. shrink with increase of moisture content
- D. none of these. Discuss
- 9. The plasticity of fine soils may be assessed by means of
Options- A. dry strength test
- B. toughness test
- C. dilatancy test
- D. all of these. Discuss
- 10. If ? is the surcharge angle of a backfill with an angle of internal friction ?, the coefficient of active earth pressure given by Rankine's theory, is :
Options- A.
- B.
- C.
- D. none of these. Discuss
Soil Mechanics and Foundation Engineering problems
Search Results
Correct Answer: All the above. .
Correct Answer: all the above.
Correct Answer: decrease their shear strength.
Correct Answer: plasticity
Correct Answer: All the above.
Correct Answer: 3.0
Correct Answer: angular-grained dense sand
Correct Answer: are of spongy nature
Correct Answer: all of these.
Correct Answer:
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