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Civil Engineering :: Soil Mechanics and Foundation Engineering

  1. A stratum of clay 2 m thick will get consolidated 80% in 10 years. For the 80% consolidation of 8 m thick stratum of the same clay, the time required is

  2. A.

    100 years

    B.

    120 years

    C.

    140 years

    D.

    160 years

    E.

    180 years.

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  3. The maximum net pressure intensity causing shear failure of soil, is known

  4. A.

    safe bearing capacity

    B.

    net safe bearing capacity

    C.

    net ultimate bearing capacity

    D.

    ultimate bearing capacity.

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  5. The factor which affects the compaction, is

  6. A.

    moisture content

    B.

    compacting content

    C.

    method of compaction

    D.

    type of soil

    E.

    All the above.

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  7. The compression resulting from a long term static load and consequent escape of pore water, is known as

  8. A.

    compaction

    B.

    consolidation

    C.

    swelling

    D.

    none of these.

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  9.  

    Soil classification of composite soils, exclusively based on the particle size distribution, is known

  10. A.

    particle classification

    B.

    textural classification

    C.

    High Way Research Board classification

    D.

    unified soil classification.

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  11. The coefficient of curvature for a well graded soil, must be between

  12. A.

    0.5 to 1.0

    B.

    1.0 to 3.0

    C.

    3.0 to 4.0

    D.
    4.0 to 5.0

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  13. Fundamental relationship between dry density (γd), specific gravity (G), water content (ω) and percentage of air voids (na) is :

  14. A.

    Yd = \(\frac { (1-n3)GYw } { 1+wG } \)

    B.

    Yd = \(\frac { (1+n3)G.Yw } { 1+wG } \)

    C.

    Yd = \(\frac { (1+n3)G.Yw } { 1-wG } \)

    D.

    Yd = \(\frac { (1-n3)G.Yw } { 1-wG } \)

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  15. A moist soil sample weighing 108 g has a volume of 60 cc. If water content is 25% and value of G = 2.52, the void ratio is

  16. A.

    0.55

    B.
    0.65
    C.
    0.65
    D.

    0.80

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  17. The shear resistance of a soil is con-tituted basically of the following component.

  18. A.

    The frictional resistance to translocation between the individual soil particles at their contact point

    B.

    To the structural relation to displacement of the soil because of the interlocking of the particles

    C.

    Cohesion and adhesion between the surfaces of the soil particles

    D.

    All the above.

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