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Civil Engineering :: Soil Mechanics and Foundation

  1. A grillage foundation

  2. A.

     Is provided for heavily loaded isolated columns

    B.

     Is treated as spread foundation

    C.

     Consists of two sets of perpendicularly placed steel beams

    D.

     All the above


  3. Residual soils are formed by

  4. A.

     glaciers

    B.

     wind

    C.

     water

    D.

     none of the above


  5. A 600 mm square bearing plate settles by 15 mm in plate load test on a cohesionless soil under an intensity of loading of 0.2 N/ram2. The settlement of a prototype shallow footing 1 m square under the same intensity of loading is

  6. A.

     15 mm

    B.

     between 15 mm and 25 mm

    C.

     25 mm

    D.

     greater than 25 mm


  7. A 300 mm square bearing plate settles by 15 mm in a plate load test on a cohesive soil when the intensity of loading is 0.2 N/mm². The settlement of a prototype shallow footing 1 m square under the same intensity of loading is

  8. A.

     15 mm

    B.

     30 mm

    C.

     50 mm

    D.

     167 mm


  9. The angle that Coulomb’s failure envelope makes with the horizontal is called

  10. A.

     cohesion

    B.

     angle of internal friction

    C.

     angle of repose

    D.

     none of the above


  11. Which one of the following clays behaves like a dense sand ?

  12. A.

     over-consolidated ciay with a high over-consolidation ratio

    B.

     over-consolidated clay with a low over-consolidation ratio

    C.

     normally consolidated clay

    D.

     under-consolidated clay


  13. Which of the following soils has more plasticity index ?

  14. A.

     sand

    B.

     silt

    C.

     clay

    D.

     gravel


  15. The admixture of coarser particles like sand or silt to clay causes

  16. A.

     decrease in liquid limit and increase in plasticity index

    B.

     decrease in liquid limit and no change in plasticity index

    C.

     decrease in both liquid limit and plasticity index

    D.

     increase in both liquid limit and plasticity index


  17. Coefficient of permeability of soil

  18. A.

     does not depend upon temperature

    B.

     increases with the increase in temperature

    C.

     increases with the decrease in temperature

    D.

     none of the above


  19. The ultimate consolidation settlement of a soil is

  20. A.

     directly proportional to the voids ratio

    B.

     directly proportional to the compression index

    C.

     inversely proportional to the compression index

    D.

     none of the above