Home / Civil Engineering / Soil Mechanics and Foundation Engineering :: Section 4

Civil Engineering :: Soil Mechanics and Foundation Engineering

  1. If e0e, σ', σ0' have their usual meanings, the coefficient of compressibility (ac), is given by

  2. A.

    ac = \(\frac { e-eo } { e'+eo' } \)

    B.

    C.

    D.

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. A saturated soil sample has water content of 40% and specific gravity of soil particles 2.7. The void ratio of the soil, is

  4. A.

    0.4

    B.

    0.52

    C.

    1.08

    D.

    none of these.

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. For testing a saturated clay for shear strength, the test recommended, is

  6. A.

    direct shear test

    B.
    triaxial compression test
    C.

    unconfined compression test

    D.

    all the above.

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. The critical exist gradient of seepage water in soils, increases with

  8. A.

    an increase in specific gravity

    B.

    a decrease in specific gravity

    C.
    a decrease in void ratio
    D.

    both (a) and (c)

    E.

    none of these.

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. The coefficient ka of the active earth pressure, is given by

  10. A.

    Ka = \(\frac { 1 - tan } {1+tan } \)

    B.

    Ka = \(\frac { 1+tan } { 1-tan }\)

    C.

    ka = \(\frac { 1+sin } { 1-sin } \)

    D.

    Ka = \(\frac { 1-sin } { 1+sin } \)

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. Pick up the correct statement from the following:

  12. 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.

    View Answer

    Workspace

    Discuss Discuss in Forum


  13. The shear strength of a soil

  14. A.

    increases with an increase in the normal stress

    B.

    is proportional to the cohesion of the soil

    C.

    is generally known as the strength of the soil

    D.

    is proportional to the tangent of the angle of internal friction

    E.

    all the above.

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. The property of a soil which permits water to percolate through it, is called

  16. A.
    moisture content
    B.

    permeability

    C.

    capillarity

    D.
    none of these.

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. The triaxial apparatus is usually used for

  18. A.
    unconsolidated-undrained test
    B.

    consolidated-undrained test

    C.

    drained test

    D.

    all the above tests.

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. A pycnometer is used to determine

  20. A.

    voids ratio

    B.

    dry density

    C.

    water content

    D.

    density index.

    View Answer

    Workspace

    Discuss Discuss in Forum