Soil Mechanics Online Test – Paper 3

1. Units of the coefficient of permeability

2. In a flow net, which of the following statements is true?

3. The finest size of soil particle is

4. The water content at which the soil changes from a liquid state to a plastic state is known as

5. Pile foundations are normally used in:

6. * A 'shear stress' is a stress which is applied.......to a face of material.

7. The density of soil can be increased by

8. The seepage force is proportional to

9. Three-phase system is concerned with

10. The bottom plug in well foundation is used:

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

12. 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:

13. Agent of transportation for alluvial soils is

14. If the shearing stress is zero on two planes, then the angle between the two planes is

15. Westergaard's theory is more appropriate for

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

17. * For a properly designed footing, the bearing stress must be less than the bearing capacity, which is the bearing stress that causes a ......... failure within the foundation soil.

18. The soil sample contains a volume of void 0.2 and a volume of soil solid is 0.30 then find the void ratio & porosity of soil

19. Specific gravity of soil is

20. The shear strength of cohesive soil is equal to

21. Stability analysis shall be made considering:

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

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

24. Number of blows required to penetrate the sampler & cone for a depth of ...&... is known as penetration number

25. The shear strength of a soil

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

27. The seepage force is proportional to

28. Which method is quickest to find the water content of soils?

29. The percentage voids (n) has a value

30. A plane inclined at an angle to the horizontal at which the soil is expected to stay in the absence of any lateral support is known as:

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

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

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

34. The critical exit gradient of the seepage of water in a soil is

35. The relation between dry density (yd), bulk density (y), and water content (w) is

36. The process of compaction may involve

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

38. The basis for all soil classification systems is

39. The bearing capacity of soil depends on:

40. Shear strength of a soil is a unique function of

41. Most of the shear tests are done in equipment which is:

42. Flow lines and equipotential lines are

43. Overconsolidation may be due to

44. The critical exit gradient of the seepage of water in soils is

45. The seepage flow through a porous medium is generally

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

47. Bearing capacity of soil primarily depends upon:

48. A grillage foundation is used under:

49. Weathering of soils is caused by

50. Negative skin friction is to be considered when: