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Home ‣ Civil Engineering ‣ Soil Mechanics and Foundation Engineering Comments
  • Question

  • 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.

  • Correct Answer
  • are of spongy nature 

    • Soil Mechanics and Foundation Engineering problems

    Search Results

    • 1. 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
    • 2. 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
    • 3. 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
    • 4. 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
    • 5. 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
    • 6. 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
    • 7. 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
    • 8. Laplacian fundamental equation for a non-compressible flow in three dimensions, is

    • Options
    • A.
    • B.
    • C.
    • D. none of these.
      • Discuss
    • 9. The slip at critical angle, is generally known

    • Options
    • A. ? 1-line
    • B. rupture plane
    • C. slip plane
    • D. all the above.
      • Discuss
    • 10. 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

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