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. Distribution of earth pressure with depth is: a) Parabolic b) Hydrostatic c) Non-linear but increasing d) Volume controlled 2 / 50 2. Soil having more cohesion than sand a) Silt b) Gravel c) Clay d) None of the above 3 / 50 3. Terzaghi's theory of one-dimensional consolidation assumes: a) Soil is homogeneous and fully saturated b) Water and soil particles are incompressible c) Deformation of the soil is entirely due to a change in volume d) All of the above 4 / 50 4. 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: a) 2.57c b) 5.14c c) 10.28c d) 12.0c 5 / 50 5. The ultimate B.C. of a soil can be defined as: a) Ultimate load on the bearing area b) Safe load on the bearing area c) Load at which the soil fails d) Load beyond which the soil should not be loaded 6 / 50 6. 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 7 / 50 7. The property of the soil which allows water to flow through the soil is known as a) Capillary b) Permeability c) Fluidity d) Viscosity 8 / 50 8. The shear strength of cohesive soil is equal to a) C = q/2 b) C = 0.5 q tanΦ c) C = q d) C = q tan Φ 9 / 50 9. 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 10 / 50 10. Agent of transportation for alluvial soils is a) Water b) Gravity c) Wind d) Ice 11 / 50 11. 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 12 / 50 12. Specific gravity of soil is a) Same for clays and sands b) Determined by hydrometer c) Less than 2.0 for most soils d) More than 2.5 for most soils 13 / 50 13. The angle between the maximum shear stress plane and the horizontal plane is equal to a) 15° b) 30° c) 45° d) 50° 14 / 50 14. Cohesionless soils are formed due to a) Oxidation of rocks b) Leaching action of water on rocks c) Blowing of hot and cold wind d) Physical disintegration of rock 15 / 50 15. Bearing capacity of soils depends on: a) Physical characteristics of soil particles b) Moisture content of soil c) Both of the above d) None of the above 16 / 50 16. In hydrometer analysis, the principle used a) Newton's law b) Darcy's law c) Stoke's law d) Rehbann's law 17 / 50 17. In cohesive soils, the depth of the vertical cut up to which no lateral support is required is given by: a) 2c/γ b) 4c/γ c) 2γ/c d) 4γ/c 18 / 50 18. Peat is composed of a) Clay and sand b) Decayed vegetable matter c) Inorganic silt and silty clay d) Synthetic chemicals 19 / 50 19. Inorganic soils with low plasticity are denoted by a) ML b) CH c) MH d) SH 20 / 50 20. Westergaard's theory is more appropriate for a) layered soils b) homogeneous deposits c) anisotropic soils d) normally consolidated homogeneous soils 21 / 50 21. Negative skin friction is to be considered when: a) Fill settles relative to the pile b) Pile settles relative to the fill c) Fill and pile settle together d) Water table rises 22 / 50 22. 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° 23 / 50 23. Cohesionless soil is a) Sand b) Silt c) Clay d) Clay and silt 24 / 50 24. If the resultant force at the bottom of the retaining wall lies outside the middle third, the failure will be due to: a) Crushing b) Sliding c) Upthrust d) Overturing 25 / 50 25. 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 26 / 50 26. 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 27 / 50 27. Flow lines and equipotential lines are a) Parallel to each other b) Perpendicular to each other c) Not intersecting lines d) Intersecting lines at 90° 28 / 50 28. The factor of safety of slopes is defined as: a) FS= Total stress / Effective stress b) FS= Shear strength / Shear stress c) FS= Overturning moment / Resisting moment d) FS= Shear stress / Normal stress 29 / 50 29. In the case of retaining walls, surcharge is: a) Excess moisture in wall b) Extra load on the wall c) Additional load carrying capacity of wall d) Extra load on the horizontal backfill 30 / 50 30. 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 31 / 50 31. The critical exit gradient of the seepage of water in a soil is a) (1-e) / (G-1) b) (G+e) / (1+e) c) (G-1)/(1+e) d) None of the above 32 / 50 32. The passive earth pressure of a soil can be defined as lateral pressure exerted by the soil when the retaining wall tends to a) Move away from the backfill b) No movement relative to the backfill c) Move into the soil d) Any of the above 33 / 50 33. Plasticity index is obtained as the difference between a) Liquid limit and shrinkage limit b) Shrinkage limit and plastic limit c) Liquid limit and plastic limit d) None of the above 34 / 50 34. The seepage flow through a porous medium is generally a) Turbulent b) Supercritical c) Transitional d) Laminar 35 / 50 35. The minimum water content at which the soil just begins to crumble when rolled into threads 3 mm in diameter is known as a) Shrinkage limit b) Plastic limit c) Liquid limit d) Consistency limit 36 / 50 36. The angle of internal friction of clay is about a) 5-20° b) 24-30° c) 27-33° d) 30-35° 37 / 50 37. 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 38 / 50 38. Generally, soils are considered as a) Single-phase system b) Two-phase system c) Three-phase system d) None of the above 39 / 50 39. Degree of saturation of a soil is generally a) Above 100% b) Below zero c) Between 0% and 100% d) None of the above 40 / 50 40. Permeability of soil varies, a) Inversely as the square of grain size b) Inversely as the grain size c) Directly as of grain size d) Square of grain size 41 / 50 41. The ultimate bearing capacity of frictionless soils is: a) 4.5c to 6c b) 2c to 4c c) 1c to 3c d) 2c to 5c 42 / 50 42. 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 43 / 50 43. The angle between the directions of the failure and the major principal plane is equal to: a) 90° + effective angle of shearing resistance b) 90° + half of the angle of shearing resistance c) 45° + half of the angle of shearing resistance d) 45° - half of the angle of shearing resistance 44 / 50 44. The angle of internal friction depends upon a) Particle shape and roughness b) Normal direct pressure c) The amount of interlocking d) All of the above 45 / 50 45. Cohesion of soil may a) Not be affected due to the moisture content b) Increases as the moisture content increases c) Decreases as the moisture content decreases d) More in well-compacted solids 46 / 50 46. 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 47 / 50 47. The ratio of volume of air void to the volume of voids is known as a) Air content b) Wet porosity c) Percentage voids d) Degree of saturation 48 / 50 48. 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: a) 2 b) 1 c) 0.5 d) None of the above 49 / 50 49. Shearing strength of cohesionless soil depends upon a) Dry density b) Void ratio c) Loading rate d) Normal stress 50 / 50 50. Which is the correct definition of soil in the geotechnical engineer's point of view? a) Soil is the top surface of the earth where plants can grow. b) Soil is the unconsolidated material consisting of particles produced by the disintegration of rock, which may or may not contain organic matter. c) Soil is the relatively thin surface zone that can contain moisture. d) None of the above. Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score is Share your achievement! LinkedIn Facebook Twitter 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. 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