Soil Mechanics Online Test – Paper 3

1. The ratio of volume of air void to the volume of voids is known as

2. Compression of soils occurs rapidly if voids are occupied by

3. Hydrometer readings are corrected for

4. The law which states that the velocity of flow through a porous medium is directly proportional to the hydraulic gradient is

5. Cohesive soils:

6. The ratio of plasticity index to clay fraction is known as

7. A soil sample has the following characteristics: S-50%, G-2.6, W-30%, find the void ratio, e

8. Flow net can be used for the determination of

9. The bottom plug in well foundation is used:

10. A soil that is fully consolidated under the existing overburden pressure is known as

11. Pile foundations are normally used in:

12. The angle between the directions of the failure and the major principal plane is equal to:

13. Which of the following is responsible for the shear resistance in soils?

14. Sheet pile walls are used as:

15. The bearing capacity of soil depends on:

16. The permissible settlement in the case of an isolated foundation on clayey soils is:

17. According to Terzaghi's theory, the ultimate B.C., at ground surface for a purely cohesive soil and for a smooth base of a strip footing is:

18. A wall constructed to retain the earth from slippage on the hillside of the roadway is called:

19. The behavior of silt is normally governed by

20. The top flow line in the case of seepage flow through an earthen dam has the shape of

21. The angle of internal friction depends upon

22. The reduction factor to the bearing capacity of soil due to the water table at a depth equal to half of the width of the footing below the footing is:

23. Berms are used to:

24. In cohesive soils, the depth of the vertical cut up to which no lateral support is required is given by:

25. The load-carrying capacity of the pile is............due to skin friction.

26. The seepage force is proportional to

27. The void ratio of soil is

28. * The shear resistance between particles is provided by:

29. Negative skin friction is to be considered when:

30. Cement stabilizer is suitable for

31. The factor of safety of slopes is defined as:

32. A foundation may be classified as shallow if:

33. Clays containing organic matter are made suitable for stabilization by first adding a small percentage of

34. The reduction factor to the bearing capacity of soil due to the water table at a depth equal to the width of the footing below the footing is:

35. The assumption of Rankine's theory of earth pressure is:

36. Specific gravity of soil is

37. Bearing capacity of soils depends on:

38. Allowable bearing pressure for a foundation depends on:

39. Negative skin friction affects the load carrying capacity of the pile by:

40. A foundation may be classified as deep if:

41. In an earthen dam, the phreatic line is

42. Quick sand is a

43. Combined footing is generally used when:

44. The angle between the horizontal and the slope of a heap produced by pouring clean dry sand from a small height is known as:

45. The difference of the range of water between liquid limit and plastic limit is called

46. A foundation may be classified as a strip foundation if:

47. On wetting, cohesive soils

48. The slope of the flow curve obtained in the liquid limit test is called

49. Plasticity index is obtained as the difference between

50. The property of the soil which allows water to flow through the soil is known as