Home» Online Test » Civil Engineering » Soil Mechanics Online Test » Paper 1 » Paper 2 » Paper 3 0% Sorry, time's up. To complete the online test, please restart it. Created by Vikash chaudhary This is a FREE online test. Beware of scammers who ask for money to attend this test. Get New Questions in Each Attempt Total Questions: 50 Time Allotted: 50 minutes Passing Score: 70% Randomization: Yes Certificate: Yes Do not refresh the page! 👍 All the best! 1 / 50 1. The ratio of the unit weight of soil solids to that of water is called: a) Void ratio b) Porosity c) Specific gravity d) Degree of saturation 2 / 50 2. The bulk density of soil can be defined as a) Ratio of the weight of the solids to the volume of solids b) Ratio of unit weight of soil to that of water c) Unit weight of soil d) Unit weight of soil under saturated condition 3 / 50 3. Terzaghi's analysis assumes: a) Soil is homogeneous and isotropic b) Elastic zone has straight boundaries inclined at (Theta = theta) to the horizontal and plastic zones fully developed c) Failure zones do not extend above the horizontal plane through the base of the footing d) All of the above 4 / 50 4. A foundation may be classified as continuous foundation if: a) Depth to width ratio is more than 2 b) Length to width ratio is more than 2 c) Depth to width ratio is equal to 2 d) Length to width ratio is less than 2 5 / 50 5. To what category do the gravel and sand belong? a) Cohesive soil b) Cohesionless soil c) Marine soil d) Expansive soil 6 / 50 6. The difference between total pressure and pore water pressure is known as a) Major principal stress b) Minor principal stress c) Effective stress d) None of the above 7 / 50 7. Weathering of soils is caused by a) Periodical temperature changes b) Impact and splitting action of flowing water c) Impact and splitting action of plants and animals d) All of the above 8 / 50 8. Most of the shear tests are done in equipment which is: a) stress controlled b) strain controlled c) drainage controlled d) volume controlled 9 / 50 9. The ratio of plasticity index to clay fraction is known as a) Activity ratio or number b) Flow index c) Liquidity index d) Toughness index 10 / 50 10. The shear strength of a soil is proportional a) Directly to the angle of internal friction b) Directly to the tangent of the angle of internal friction c) Inversely to the angle of internal friction d) None of the above 11 / 50 11. The admixture used in soil stabilization is a) Cement b) Lime c) Bitumen d) Any of the above 12 / 50 12. Allowable bearing pressure for a foundation depends on: a) Allowable settlement only b) Ultimate bearing capacity of soil only c) Both allowable settlement & ultimate bearing capacity of soil d) None of the above 13 / 50 13. The neutral stress in a soil mass is a) Force per neutral area b) Force per unit effective area of the soil c) Stress shared by the particles of the soil d) Stress shared by the pore water 14 / 50 14. An agent responsible for the transportation of soil is a) Wind b) Water c) Gravity d) All of the above 15 / 50 15. The degree of saturation in soils can be defined as the ratio of a) Water by weight to the dry soil weight b) Volume of water to the gross volume of soil c) Volume of water to volume of voids in soil d) Weight of the water to weight of the soil 16 / 50 16. If the shearing stress is zero on two planes, then the angle between the two planes is a) 45° b) 90° c) 135° d) 180° 17 / 50 17. The permeability of a soil deposit in situ can be best obtained by a) Falling head permeameter b) Constant head permeameter c) Pumping test d) None of the above 18 / 50 18. The seepage force is proportional to a) Exit gradient b) Head of water at upstream c) Head of water at downstream d) None of the above 19 / 50 19. Void ratio, e, of a soil can a) Never be greater than one b) Be equal to zero c) Be greater than zero d) Be between 0 and 1 20 / 50 20. Silts have the following property a) Plasticity b) Limited plasticity c) Limited or no plasticity d) Elasticity 21 / 50 21. If the coefficient of passive earth pressure k is 1/3 then the coefficient of active earth pressure is: a) 1/3 b) 1 c) 3 d) 3/2 22 / 50 22. The permissible settlement in the case of an isolated foundation on clayey soils is: a) 25 mm b) 45 mm c) 65 mm d) 85 mm 23 / 50 23. Hygroscopic water can be removed by a) Gravity flow b) Free flow c) Heating d) All of the above 24 / 50 24. The slope of the flow curve obtained in the liquid limit test is called a) Liquidity index b) Plasticity index c) Toughness index d) Flow index 25 / 50 25. The angle between the horizontal and the slope of a heap produced by pouring clean dry sand from a small height is known as: a) the angle of equilibrium b) the angle of bulk c) the angle of rest d) the angle of repose 26 / 50 26. The pressure-void ratio curve will be a) Linear when plotted on ordinary paper b) Linear when plotted on semi-log paper c) Linear when plotted on log-log paper d) None of the above 27 / 50 27. Which of the following is not the purpose of a foundation? a) To distribute the weight of the structure b) To load the substratum evenly c) To provide a level surface for building construction d) To increase the safe bearing capacity of the soil 28 / 50 28. The relation between dry density (yd), bulk density (y), and water content (w) is a) y = yd / (1 + w) b) yd = y / (1 + w) c) w = y / (1 + yd) d) w = y / (1 - yd) 29 / 50 29. The difference between plastic limit and shrinkage limit is called a) Fluidity index b) Relative consistency c) Plasticity index d) Shrinkage index 30 / 50 30. The reduction factor to the bearing capacity of soil due to the water table just below the footing is: a) 0.25 b) 0.50 c) 0.75 d) 1.00 31 / 50 31. Base failure refers to a failure surface that: a) Is above the toe of the slope b) Includes the toe of the slope c) Is below the toe of the slope d) None of the above 32 / 50 32. Falling head permeability test is preferable when the soil sample is a) Clayey b) Silty sand c) Sandy d) Sandy gravel 33 / 50 33. * When water content in a soil is reduced beyond the shrinkage limit, the soil will be: a) Solid state b) Liquid state c) Semi-solid state d) Plastic state 34 / 50 34. The change of moisture content of soils changes a) Angle of repose b) Cohesive strength c) Amount of compaction required d) Any of the above 35 / 50 35. Shear strength of a soil is a unique function of a) Effective stress only b) Total stress only c) Both total and effective stress d) None of the above 36 / 50 36. The maximum dry density occurs at a particular water content which is known as a) Optimum moisture content b) Maximum moisture content c) Low moisture content d) Water content 37 / 50 37. Contribution due to skin friction is maximum in: a) Sands b) Soft clays c) Piles resting on rock d) None of the above 38 / 50 38. The angle of internal friction of clay is about a) 5-20° b) 24-30° c) 27-33° d) 30-35° 39 / 50 39. Combined footing is generally used when: a) Number of columns are more than two and are spaced far apart b) Number of columns are two and are spaced close to each other c) Number of columns are two and are spaced far apart d) None of the above 40 / 50 40. A soil that is fully consolidated under the existing overburden pressure is known as a) Normally consolidated soil b) Overconsolidated soil c) Underconsolidated soil d) None of the above 41 / 50 41. Three-phase system is concerned with a) Partially saturated soil b) Saturated soil c) Dry soil d) All of the above 42 / 50 42. Soil which contains particles of different sizes in good proportion is called a) Uniform soil b) Well-graded soil c) Consistent soil d) None of the above 43 / 50 43. Quick sand is a a) Type of sand b) Condition in which a cohesionless soil loses its strength because of upward flow of water c) Moist sand containing small particles d) Condition which occurs in coarse sand 44 / 50 44. Pile foundations are enormously used in: a) Bridge foundations b) Machine foundations c) Tall buildings d) Towers 45 / 50 45. Uniformity coefficient of a soil is: a) always less than 1 b) always equal to 1 c) equal to or less than 1 d) equal or greater than 1 46 / 50 46. The vane shear test is used for the in-situ determination of the undrained strength of the intact fully saturated a) Sands b) Clays/cohesive soils c) Gravels d) Highly organic soils 47 / 50 47. The bearing capacity of soil primarily depends on: a) Depends on the size of the footing b) Load intensity c) Depends on the load d) Rate of loading 48 / 50 48. The functional equation for specific gravity (G), water content (w), void ratio (e), and degree of saturation (Sr) is a) w = SrG / e b) e = Srw / G c) e = wG / Sr d) G = Swr / e 49 / 50 49. Piping in soils is due to a) Low exit gradient b) Erosion of subsoil by high velocity of seepage flow c) Leakage of water through pipes laid in dams d) Passage of water through well-connected pores in soil. 50 / 50 50. Saturated soil is concerned with a) Two-phase system b) Three-phase system c) One-phase system d) All of the above Please provide accurate information so we can send your Achievement Certificate by mail. 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