Soil Mechanics Online Test – Paper 3

1. Consolidation theory was enunciated by

2. Piping in soils is due to

3. Cohesion of soil may

4. Base failure refers to a failure surface that:

5. The quantity of water seeping through a soil is

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

7. The ratio of weight of water to the weight of solids in a given mass of soil is known as

8. The difference between the undisturbed shear strength and remoulded shear strength is known as

9. Distribution of earth pressure with depth is:

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

11. If the volume of voids is equal to the volume of solids in a soil mass, then the values of porosity and voids ratio, respectively, are:

12. The ratio of volume of voids to the total volume of the given soil mass is known as

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

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

15. The angle of internal friction of clay is about

16. An isobar is a line which connects the points of equal stress

17. If the resultant force at the bottom of the retaining wall lies outside the middle third, the failure will be due to:

18. The ratio of plasticity index to flow index is called

19. The value of net allowable bearing pressure is:

20. Wedge shape failure is assumed by:

21. Shearing strength of cohesionless soil depends upon

22. A soil sample contains a degree of saturation of 30%, find the percentage of air voids

23. The types of compaction suitable for cohesionless soil having large thickness are

24. Units of the coefficient of permeability

25. For the same soil, an increase in compaction effort

26. The safe B.C. of a soil can be defined as:

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

28. Cohesive soils are:

29. The neutral stress in a soil mass is

30. If the soil stays at a place above the parent rock where it is produced, then it is called

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

32. The coefficient of earth pressure for loose sand having an angle of internal friction of 30° is:

33. The ultimate B.C. of a soil can be defined as:

34. A foundation may be classified as deep if:

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

36. The bearing capacity factors (N_c, N_q,) and (N_r) are functions of:

37. The maximum size of a clay particle is

38. Degree of saturation of a soil is generally

39. A grillage foundation is used under:

40. *Coefficient of earth pressure at rest is:

41. If the failure of a finite slope occurs through the toe, it is known as:

42. The angle of internal friction depends upon

43. The angle of internal friction for cohesive soils is equal to:

44. * When water content in a soil is reduced beyond the shrinkage limit, the soil will be:

45. Generally, soils are considered as

46. Total lateral earth pressure is proportional to

47. The relation between dry density (ρd), bulk density (ρ), and water content (w) is

48. The ultimate bearing capacity of frictionless soils is:

49. Void ratio, e, of a soil can

50. An agent responsible for the transportation of soil is