Soil Mechanics Online Test – Paper 3

1. Weathering of soils is caused by

2. 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

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

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

5. Honeycombed structure is found in

6. Soil which contains particles of different sizes in good proportion is called

7. Falling head permeability test is preferable when the soil sample is

8. Bleeder wells are required to

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

10. The process of improving the engineering properties of the soil and thus making it more stable is known as

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

12. The curve A, B, and C shown in fig below are respectively the stress-strain curves for stress of

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

14. The force exerted by flowing water on the sediment particles to cause their motion is called:

15. The maximum differential settlement in the case of a foundation on clayey soils is:

16. *Earth pressure acting at a height of ..... in case of inclined surcharge is:

17. Soil in which some of the intermediate size particles are missing is known as

18. The effective stress in a soil is equal to

19. Three-phase system is concerned with

20. Sheet pile walls are used as:

21. Pile foundations are normally used in:

22. Moisture content for the optimum moisture content of silt is

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

24. As sheet pile walls are embedded in soil, for the design of:

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

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

27. The passive earth pressure of a soil can be defined as lateral pressure exerted by the soil when the retaining wall tends to

28. In a sand stratum of 1.5m thickness, specific gravity 2.67, and voids ratio 0.67, the head required for the quick condition is equal to

29. One of the graphical methods for earth pressure determination is:

30. Compaction is done to remove... from the soil.

31. Core-cutter method is used for

32. Contribution due to skin friction is maximum in:

33. The angle between the maximum shear stress plane and the horizontal plane is equal to

34. For testing a saturated clay for shear strength, the test recommended is

35. * Angle of internal friction is minimum for:

36. Total lateral earth pressure is proportional to

37. The soil having minimum/least bearing capacity is:

38. The direction of seepage is

39. Inorganic soils with low plasticity are denoted by

40. A fully saturated soil is called

41. Silts have the following property

42. Cohesion of soil may

43. Cohesionless soil is

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

45. Physical weathering occurs due to

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

47. Cohesion is defined as:

48. 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:

49. The most suitable method for increasing the bearing capacity of black cotton soil is:

50. The shear strength of cohesive soil is equal to