Soil Mechanics Online Test – Paper 3

1. Weathering of soils is caused by

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

3. Overturning moment due to the pressure of the soil is 10 KN-m while the resisting moment is 5 KN-m. Find the factor of safety:

4. The minimum water content at which the soil just begins to crumble when rolled into threads 3 mm in diameter is known as

5. Water content is defined as the ratio of

6. The density of soil can be increased by

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

8. The shear strength of a soil

9. If in a partially saturated soil, the degree of saturation is 40%, then the air content of the soil is

10. The ultimate bearing capacity of frictionless soils is:

11. 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:

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

13. Consolidation is a process involving

14. The degree of saturation in soils can be defined as the ratio of

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

16. Cohesionless soils are formed due to

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

18. The critical height in the stability of the soil is the:

19. Who coined the term Soil Mechanics?

20. Over-consolidated soils caused due to:

21. The assumption of Coulomb's theory is:

22. Flow path/flow channel is

23. Negative skin friction:

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

25. The critical exit gradient may occur when

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

27. The percentage voids (n) has a value

28. Cohesion of soil may

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

30. A decrease in water content results in a reduction of the volume of a soil in

31. Combined footing is generally used when:

32. Agent of transportation for alluvial soils is

33. Silts have the following property

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

35. For the determination of shear strength in the laboratory, the tests done are

36. The seepage force is proportional to

37. If the sand in situ is in the densest state, then its relative density is

38. Cohesion is defined as:

39. The angle of internal friction depends upon

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

41. Well foundation in sandy soils derive their bearing capacity from:

42. Angle of internal friction of silty sand

43. The relationship between void ratio (e) and porosity ratio (n) is

44. For a well-graded soil, the coefficient of curvature will be between

45. In the case of retaining walls, surcharge is:

46. The shape & structure of an isobar is like a/an

47. Cohesive soils are:

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

49. Pick up the correct sequence of geological cycle for the formation of soil

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