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Civil Engineering :: Soil Mechanics and Foundation Engineering

  1. Pick up the correct statement from the following:

  2. 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.

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  3. The clay soil mainly consists of

  4. A.

    Kaolinites .

    B.

    Montomorillonite

    C.
    Illites
    D.

    Vermiculite

    E.

    All the above.

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  5. The liquidity index is defined as a ratio expressed as percentage of

  6. 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.

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  7. The fluid generally used for grouting is

  8. A.

    cement and water mix

    B.

    clay suspension

    C.

    sodium silicate

    D.

    bitumen emulsion

    E.
    all the above.

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  9. A coarse-grained soil has a voids ratio 0.75, and specific gravity as 2.75. The critical gradient at which quick sand condition occurs, is

  10. A.

    0.25

    B.

    0.50

    C.

    0.75

    D.

    1.00

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  11. The relationship between void ratio (e) and porosity ratio (n) is :

  12. A.

    n = \(\frac { 1+e } { 1-e } \)

    B.

    e = \(\frac { 1+n } { 1-e } \)

    C.

    n = \(\frac { e } { 1-e } \)

    D.

    e = n/(1-n)

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  13.  

    Failure of the stability of slopes, generally occurs along

  14. A.

    slip plane

    B.

    a horizontal surface

    C.

    a curved surface

    D.

    all the surfaces.

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  15. Pick up the correct statement from the following:

  16. A.

    Failure plane carries maximum shear stress

    B.

    Failure plane does not carry maximum shear stress

    C.

    Failure plane carries shear stress equal to maximum shear stress

    D.
    None of these.

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  17. Geologic cycle for the formation of soil, is

  18. A.

    Upheavel → transportation → deposition → weathering

    B.

    Weathering → upheaval → transportation → deposition

    C.

    Transportation → upheaval → weathering → deposition

    D.

    Weathering → transportation → deposition → upheaval

    E.

    None of these.

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  19. 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

  20. A.

    5%

    B.

    10%

    C.

    15%

    D.

    20%

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