Discussion
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- Question
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.
- Correct Answer
-
- 1. 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
- 2. 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
- 3. 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
- 4. 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
- 5. 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. Discuss
- 6. Laplacian fundamental equation for a non-compressible flow in three dimensions, is
Options- A.
- B.
- C.
- D. none of these. Discuss
- 7. The slip at critical angle, is generally known
Options- A. ? 1-line
- B. rupture plane
- C. slip plane
- D. all the above. Discuss
- 8. A structure is erected on an impervious clay whose thickness is 12 m. Drainage is possible both at upper and lower surfaces. Coefficient of consolidation is 0.015 cm2 per minute. For attaining 50% consolidation with a time factor 0.20, the number of days required
Options- A. 3233
- B. 3123
- C. 33331
- D. 3313 Discuss
- 9. The pressure that builds up in pore water due to load increment on the soil, is termed
Options- A. excess pore pressure
- B. excess hydrostatic pressure
- C. hydrodynamic pressure
- D. all the above. Discuss
- 10. A soil not fully consolidated under the existing over-burden pressure, is called
Options- A. pre-consolidated
- B. normally consolidated
- C. under-consolidated
- D. none of these. Discuss
Soil Mechanics and Foundation Engineering problems
Search Results
Correct Answer: all of these.
Correct Answer: are of spongy nature
Correct Answer: angular-grained dense sand
Correct Answer: 3.0
Correct Answer: All the above.
Correct Answer:
Correct Answer: all the above.
Correct Answer: 33331
Correct Answer: all the above.
Correct Answer: under-consolidated
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