Related Mcqs:

1. In a consolidated drained test on a normally consolidated clay, the volume of the soil sample during shear________________?

   A. decreases
   B. increases
   C. remains unchanged
   D. first increases and then decreases

2. A normally consolidated clay settled 10 mm when effective stress was increased from 100 kN/m2 to 200 kN/ m2. If the effective stress is further increased from 200 kN/ m2 to 400 kN/ m2, then the settlement of the same clay is__________________?

   A. 10 mm
   B. 20 mm
   C. 40 mm
   D. none of the above

3. Relative density of a compacted dense sand is approximately equal to_____________?

   A. 0.4
   B. 0.6
   C. 0.95
   D. 1.20

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

   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

5. The coefficient of active earth pressure for a loose sand having an angle of internal friction of 30° is___________________?

   A. 1/3
   B. 3
   C. 1
   D. 1/2

6. If the sand in-situ is in its densest state, then the relative density of sand is_____________?

   A. zero
   B. 1
   C. between 0 and 1
   D. greater than 1

7. In a deposit of normally consolidated clay_________________?

   A. effective stress increases with depth but water content of soil and un-drained strength decrease with depth
   B. effective stress and water content increase with depth but undrained strength decreases with depth
   C. effective stress and undrained strength increase with depth but water content decreases with depth
   D. effective stress, water content and undrained strength decrease with depth

8. The admixture of coarser particles like sand or silt to clay causes______________?

   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

9. Sand particles are made of________________?

   A. rock minerals
   B. kaolinite
   C. illite
   D. montmorillonite

10. Quick sand is a________________?

    A. type of sand
    B. flow condition occurring in cohesive soils
    C. flow condition occurring in cohesionless soils
    D. flow condition occurring in both cohesive and cohesionless soils