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  • Question
  • The liquidity index is defined as a ratio expressed as percentage of


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

  • Correct Answer
  • natural water content minus its plastic limit to its plasticity index 


  • Soil Mechanics and Foundation Engineering problems


    Search Results


    • 1. The ratio of the volume of voids to the volume of soil solids in a given soil mass, is known

    • Options
    • A. porosity
    • B. specific gravity
    • C. void ratio
    • D. water content.
    • Discuss
    • 2. Accurate determination of water content, is made by

    • Options
    • A. calcium carbide method
    • B. sand bath method
    • C. alcohol method
    • D. oven-drying method.
    • Discuss
    • 3. A flow line makes angles ?1 and ?2 with the normal to the interface of the soils having permeabilities k1, k2 before and after deflection. According to the law of deflection of the flow lines at the interface of the dissimilar soils

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 4. The seepage force in a soil, is

    • Options
    • A. perpendicular to the equipotential lines
    • B. proportional to the exit graident
    • C. proportional to the head loss
    • D. all the above.
    • Discuss
    • 5. The coefficient of curvature is defined

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 6. The active earth pressure of a soil is proportional to (where ? is the angle of friction of the soil)

    • Options
    • A. tan (45° - ?)
    • B. tan2 (45° + ?/2)
    • C. tan2 (45° - ?/2)
    • D. tan (45° + ?)
    • Discuss
    • 7. The weight of a pycnometer containing 400 g sand and water full to the top is 2150 g. The weight of pycnometer full of clean water is 1950 g. If specific gravity of the soil is 2.5, the water content is

    • Options
    • A. 5%
    • B. 10%
    • C. 15%
    • D. 20%
    • Discuss
    • 8. The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known

    • Options
    • A. liquid limit
    • B. plastic limit
    • C. shrinkage limit
    • D. permeability limit.
    • Discuss
    • 9. According to Coulomb's wedge theory, the active earth pressure slides the wedge

    • Options
    • A. down and outwards on a slip surface
    • B. up and inwards on a slip surface
    • C. horizontal upward and parallel to base
    • D. horizontal inward and parallel to base.
    • Discuss
    • 10. Pick up the correct statement from the following:

    • Options
    • A. Sandy clayloam contains highest percentage of sand
    • B. Silty clayloam contains highest percentage of silt
    • C. Stiff boulder clay offers maximum shear strength
    • D. Soft chalk carries least safe load
    • E. All the above.
    • Discuss


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