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Civil Engineering :: Soil Mechanics and Foundation Engineering

  1. Laplacian fundamental equation for a non-compressible flow in three dimensions, is

  2. A.

    B.

    C.

    D.

    none of these

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  3. The bearing capacity of a soil depends upon

  4. A.

    size of the particles

    B.

    shape of the particles

    C.

    cohesive properties of particles

    D.

    internal frictional resistance of particles

    E.

    all the above.

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  5. A direct shear test possesses the following disadvantage:

  6. A.

    A relatively thin thickness of sample permits quick drainage

    B.

    A relatively thin thickness of sample permits quick dissipation of pore pressure developed during the test

    C.

    As the test progresses the area under shear, gradually changes

    D.
    none of these.

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  7.  

    Through a point in a loaded soil mass, there exists n typical planes mutually orthogonal on which the stress is wholly normal and no shear stress acts, if n is

  8. A.

    1

    B.

    2

    C.

    3

    D.

    4

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  9. The pressure that builds up in pore water due to load increment on the soil, is termed

  10. A.

    excess pore pressure

    B.

    excess hydrostatic pressure

    C.

    hydrodynamic pressure

    D.

    all the above.

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  11. The ratio of emax and emin of silty sand, is

  12. A.

    2.0

    B.
    5
    C.

    3.0

    D.

    3.5

    E.

    4.0

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  13. A flow net may be utilised for the determination of

  14. A.

    exit gradient

    B.
    seepage
    C.
    hydrostatic pressure
    D.

    seepage pressure

    E.

    all the above.

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  15. The neutral stress in a soil mass is

  16. A.

    force per neutral area

    B.

    force per effective area

    C.

    stess taken up by the pore water

    D.

    stress taken up by solid particles.

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  17. If voids ratio is 0.67, water content is 0.188 and specific gravity is 2.68, the degree of saturation of the soil, is

  18. A.
    25%
    B.

    40%

    C.

    60%

    D.

    75%

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  19. If water content of a soil is 40%, G is 2.70 and void ratio is 1.35, the degree of saturation is

  20. A.

    70%

    B.
    75%
    C.

    80%

    D.

    85%

    E.
    90%

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