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Soil Mechanics and Foundation Engineering problems

  • 1. A partially saturated soil is classified as

  • Options
  • A. one phase soil
  • B. two phase soil
  • C. three phase soil
  • D. four phase soil.
    • Discuss
  • 2. The ratio of the volume of voids to the total volume of the given soil mass, is known

  • Options
  • A. porosity
  • B. specific gravity
  • C. void ratio
  • D. water content.
    • Discuss
  • 3. Pick up the correct statement from the following:

  • Options
  • A. An unconfined compression test is a special case of triaxial compression test
  • B. An unconfined compression test is a special case of direct shear test
  • C. The confining pressure is maximum during an unconfined compression test
  • D. The cylindrical specimen of a soil is subjected to major principal stress till it fails due to shearing along the plane of the failure.
    • Discuss
  • 4. The compression index of a soil

  • Options
  • A. decreases with an increase in the liquid limit
  • B. increases with an increase in the liquid limit
  • C. decreases with an increase in the plastic limit
  • D. is not related with plastic limit.
    • Discuss
  • 5. If the specific gravity and voids in soil sample are G and e respectively, the hydraulic gradient i, is

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 6. A fundamental equation of void ratio(e), specific gravity (G), water content (?) and degree of saturation (Sr) is

  • Options
  • A. e =
  • B. ? =
  • C. G =
  • D. Sr =
    • Discuss
  • 7. The Westergaard analysis is used for

  • Options
  • A. sandy soils
  • B. cohesive soils
  • C. stratified soils
  • D. clayey soils.
    • Discuss
  • 8. A pile is being driven with a drop hammer weighing 1800 kg and having a free fall of 1.00 m. If the penetration with last blow is 5 mm, the load carrying capacity of the pile, -according to the Engineering News formula, is

  • Options
  • A. 100 tonnes
  • B. 50 tonnes
  • C. 20 tonnes
  • D. 10 tonnes.
    • Discuss
  • 9. Buoyant unit weight equals the saturated density

  • Options
  • A. multiplied by unit weight of water
  • B. divided by unit weight of water
  • C. plus unit weight of water
  • D. minus unit weight of water.
    • Discuss
  • 10. The degree of saturation of the soil sample stated in Q. No, 216, is

  • Options
  • A. 60%
  • B. 62%
  • C. 64%
  • D. 66%
    • Discuss

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