Soil Mechanics Online Test

1. Shearing resistance can be determined in the laboratory by _________ methods.

2. The velocity of flow of water at the centre of tube is _______ when the head is 0.1m, η=8.9*10^-3 dynes-s/cm², γ_w=1 g/cm³, the length is 10m and the diameter is 20cm.

3. The surface tension of water (TS) is __________

4. For an ordinary clay of medium sensitivity, the value of compression index is _____ if liquid limit is 50%.

5. In Terzaghi’s Theory of one dimensional consolidation, the deformation occurs in __________

6. The fine-grained soil are composed of __________

7. The relationship between seepage force J and seepage pressure p_s is given by _______

8. The hydraulic gradient in terms of pore water pressure is given by _________

9. The number of layers of soil compaction depends on ___________

10. For a uniformly loaded rectangular area, the Newmark’s influence factor given by ___________

11. Strength of soil sample compacted wet of optimum is influenced by ____________

12. For Darcy’s law to be valid, the Reynolds number should be ________

13. With increase in temperature, the capillary rise _______

14. If XY pane is considered to be ground surface and the z-axis as depth, then this condition is known as _______

15. The percentage of soil retained on each sieve is calculated on the basis of ______

16. The constant head permeability test is used for ___________

17. The coefficient of consolidation in terms of voids ratio e and coefficient of compressibility is ____________

18. An elastic body is said to be homogeneous if there are ______ elastic constants.

19. If a soil A has coefficient of volume change as 0.536m²/MN and the ratio of coefficient of volume change of A and B soils is 1.845, then find mv for soil B.

20. When the maximum vertical stress is 0.111 kN/m² at a radial distance of 4m from the point load is __________ kN.

21. The phreatic line can be located by which of the following method?

22. The stress component in x-direction on a horizontal plane in Cartesian coordinates for horizontal line load is ___________

23. The filter material should be ___________ enough to prevent buildup of seepage forces within the filter.

24. The Thixotropy is the phenomenon of _______

25. The equation given by Skempton for compression index for a remoulded sample is ___________

26. The property of soil mass pertaining to its susceptibility to decrease in volume under pressure is ____________

27. Find the hydrostatic pressure of water at depth 10m.

28. The energy per volume for Heavy compaction test is ______________

29. A protective filter can also be called as __________

30. The time for a particle to settle, of diameter 0.06 through a height of 10 cm is_________

31. If the soil has discharge velocity is 9*10^-7cm/s and the voids ratio of 0.5, then the seepage velocity will be _______

32. A body is said to be in plastic equilibrium, if every point of it is ________

33. If change in voids ratio is 0.18 and change in effective pressure is 100KN/m², then the coefficient of compressibility is ______

34. For a surcharge angle β, the passive earth pressure is __________

35. The coefficient of permeability of clean gravel is _________

36. In particle size classification system, the soils are classified according to __________

37. In an un-drained test on saturated clays, both σ1’ and σ3’ is independent of ____________

38. Coarse grained soils, containing fines between 5-12%, are designated by ___________ Symbol.

39. An organic soil sample is kept in oven for its water content determination. The temperature preferred is ______

40. The value of K0(coefficient of earth pressure at rest) for loose sand is __________

41. The concept of undermining by ‘foundation’ was put forward by ____________

42. Khosla’s theory can be used for calculating which of the following?

43. A clay specimen has an unconfined compressive strength of 240 Kn/m² in a distributed state. On remolding, the unconfined compressive strength is 54 Kn/m². What will be the sensitivity of clay?

44. In pycnometer method of water content determination, it is necessary to accurately know the specific gravity G of soil whose water content is to be determined.

45. Rankine’s theory of lateral pressure was extended to other soil by __________

46. The critical height for an unsupported vertical cut in cohesive soil is given by _____________

47. The capillary force of water depends on __________

48. The volume of the solids in a unit cell is given by ______

49. Coefficient of permeability of soil can be determined by which of the following method?

50. The Westergaard’s influence factor is given by _____________