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

  • A soil mass coated with a thin layer of paraffin weighs 460 g. When immersed, it displaces 299 cc of water. The weight of paraffin is 10 g. If specific gravity of solids is 2.5 and that of paraffin 0.9, the void ratio of soil, is


  • Options
  • A. 0.55
  • B. 0.60
  • C. 0.65
  • D. 0.70

  • Correct Answer
  • 0.60 

    • Soil Mechanics and Foundation Engineering problems

    Search Results

    • 1. In a fow net

    • Options
    • A. flow lines and equipotential lines cross each other at right angles
    • B. fields are rectangles whose length is twice the breadth
    • C. smaller the dimensions of the field, smaller will be the hydraulic gradient and velocity of flow through it
    • D. for homogeneous soil, the curves are smooth and circular.
      • Discuss
    • 2. When the seepage pressure becomes equal to the pressure due to submerged weight of a soil, the effective pressure is reduced to zero and the soil particles have a tendency to move up in the direction of flow. This phenomenon is generally known

    • Options
    • A. quick condition
    • B. boiling condition
    • C. quick sand
    • D. all the above.
      • Discuss
    • 3. For a base failure of a slope, depth factor

    • Options
    • A. Df = 1
    • B. Df < 1
    • C. Df > 1
    • D. none of these.
      • Discuss
    • 4. For slopes of limited extent the surface of slippage, is usually along

    • Options
    • A. a parabolic arc
    • B. an elliptical arc
    • C. a straight line
    • D. a circular arc.
      • Discuss
    • 5. Pick up the correct statement from the following:

    • Options
    • A. The void ratio in soils is defined as the ratio of the volume of voids to the volume of solids
    • B. The porosity of a soil is defined as the ratio of the volume of voids to the gross volume of the soil
    • C. The bulk density of a soil is defined as the unit weight of the soil
    • D. The dry density of a soil is defined as weight of solids to the total volume of the soil
    • E. All the above.
      • Discuss
    • 6. The triaxial apparatus is usually used for

    • Options
    • A. unconsolidated-undrained test
    • B. consolidated-undrained test
    • C. drained test
    • D. all the above tests.
      • Discuss
    • 7. If Cv is the coefficient of consolidation, t is the time and d is drainage path of one dimensional consolidation of soil, the time factor Tv, is given by

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 8. The coefficient ka of the active earth pressure, is given by

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 9. 'Drift' is the material picked up, mixed, disintegrated, transported and redeposited by

    • Options
    • A. wind
    • B. gravitational force
    • C. glaciated water
    • D. all the above.
      • Discuss
    • 10. The consistency index of a soil is defined as the ratio of

    • Options
    • A. liquid limit plus the natural water content to the plasticity index of the soil
    • B. liquid limit minus the natural water content to the plasticity index of the soil
    • C. natural water content of a soil minus plastic limit to the plasticity index of the soil
    • D. natural water content of a soil plus its plastic limit to the plasticity index of the soil.
      • Discuss

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