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 well foundation is normally used under: a) Industrial buildings b) Structures on river beds c) Tall buildings d) Offshore wells 2 / 50 2. Cohesive soils are generally/normally a) Plastic and also compressible b) Elastic and also compressible c) Plastic but incompressible d) None of the above 3 / 50 3. 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 4 / 50 4. The u/s face of an earthen dam is a) An equipotential line b) A phreatic line c) A flow line d) None of the above 5 / 50 5. If the coefficient of permeability of a soil is 0.08 cm/sec, that soil will be a) Clay b) Silt c) Sand d) Gravel 6 / 50 6. Saturated soil is concerned with a) Two-phase system b) Three-phase system c) One-phase system d) All of the above 7 / 50 7. Which of the following soils has the largest permeability? a) Sand b) Gravel c) Silt d) Clay 8 / 50 8. Physical weathering occurs due to a) Temperature changes b) Wedging action of ice c) Spreading of roots of plants d) All of the above 9 / 50 9. The basis for all soil classification systems is a) Permeability characteristics b) Specific gravity of solids c) Grain size and plasticity characteristics d) None of the above 10 / 50 10. The shear strength of a soil a) Is directly proportional to the depth of the soil b) Is directly proportional to the angle of repose of the soil c) Increases with normal stress d) Decreases with an increase in the normal stress 11 / 50 11. 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 12 / 50 12. Total lateral earth pressure is proportional to a) Depth of the soil b) Square of the depth of the soil c) Angle of internal friction of the soil d) None of the above 13 / 50 13. The internal molecular attraction of a soil is known as cohesion: a) Increases as the moisture content decreases b) Is more in well-compacted clays c) Depends upon the external applied load d) Decreases as the moisture content increases 14 / 50 14. Most of the shear tests are done in equipment which is: a) stress controlled b) strain controlled c) drainage controlled d) volume controlled 15 / 50 15. 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 16 / 50 16. Raft foundation is a type of: a) Deep foundation b) Shallow foundation c) Foundation under water d) None of the above 17 / 50 17. Absorbed water in soil is a) Same as free water b) The water chemically combined in the crystal structure of the soil material c) Having free movement through the soil by gravity d) Water absorbed from the atmosphere by forces of attraction 18 / 50 18. Hygroscopic water can be removed by a) Gravity flow b) Free flow c) Heating d) All of the above 19 / 50 19. In hydrometer analysis, the principle used a) Newton's law b) Darcy's law c) Stoke's law d) Rehbann's law 20 / 50 20. The curve A, B, and C shown in fig below are respectively the stress-strain curves for stress of a) Dense sand, clay, and loose sand b) Dense sand, loose sand, and clay c) Loose sand, dense sand, and clay d) Clay, loose sand, and dense sand 21 / 50 21. 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 22 / 50 22. Shearing strength of cohesionless soil depends upon a) Dry density b) Void ratio c) Loading rate d) Normal stress 23 / 50 23. 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 24 / 50 24. Soil in which some of the intermediate size particles are missing is known as a) Poorly graded soil b) Non-uniform soil c) Ill-proportioned soil d) Skip-graded soil 25 / 50 25. Consolidation test of a soil sample is carried out to determine: a) The void ratio in soil b) The decrease in the total volume c) The liquid limit of soil d) The plastic limit of soil 26 / 50 26. The failure plane a) Carries maximum shear stress b) Does not carry maximum shear stress c) Carries minimum shear stress d) None of the above 27 / 50 27. The principal stress is maximum on a) Minor principal plane b) Intermediate principal plane c) Major principal plane d) None of these 28 / 50 28. In an earthen dam, the phreatic line is a) Straight line b) Circular line c) Parabolic d) Zigzag 29 / 50 29. The factor of safety of embankments shall be: a) At least 1.0 b) At least 1.5 c) At least 2.0 d) At least 2.5 30 / 50 30. Particle size range is measured by a) Effective size b) Uniformity coefficient c) Coefficient of curvature d) None of the above 31 / 50 31. The minimum net pressure intensity causing shear failure of the soil is called: a) Safe bearing capacity b) Net ultimate bearing capacity c) Net bearing capacity d) Ultimate bearing capacity 32 / 50 32. The value of net allowable bearing pressure is: a) Net safe bearing capacity b) Net safe settlement pressure c) Minimum of net safe bearing capacity and net safe settlement pressure d) Gross safe bearing capacity 33 / 50 33. If the water content of a fully saturated soil mass is 100%, then the voids will be a) Less than the specific gravity of soil b) Equal to the specific gravity of soil c) Greater than the specific gravity of soil d) Independent of the specific gravity of soil 34 / 50 34. Stability of slopes can be increased by: a) Adopting gentle slopes b) Adopting great heights c) Storing water on one side d) Constructing on clay deposits 35 / 50 35. If you are asked to classify soils into 3 categories, which of the following categorizations would you prefer? a) Clayey, Silty, and Sandy b) Clayey, Sandy, and Granular c) Clayey, Silty, and Loamy d) Coarse-grained, fine-grained, and highly organic 36 / 50 36. Moisture content of saturated soil equals: a) 0% b) 100% c) 50% d) 90% 37 / 50 37. 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 38 / 50 38. The types of compaction suitable for cohesionless soil having large thickness are a) Roller b) Rammer c) Vibrator d) Vibrofloatation 39 / 50 39. The critical exit gradient may occur when a) Flow is in an upward direction b) Seepage pressure is in an upward direction c) Effective pressure is zero d) All of the above 40 / 50 40. Water content is defined as the ratio of a) Weight of water to weight of solids b) Weight of solids to weight of water c) Total amount of water in soil d) All of the above 41 / 50 41. The assumption of Coulomb's theory is: a) Backfill is dry, homogeneous, isotropic, and cohesionless b) Rupture plane is linear and passes through the toe of the wall c) Sliding wedge acts as a rigid body, and the value of earth pressure is obtained by considering the equilibrium of the wedge d) All of the above 42 / 50 42. 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 43 / 50 43. Compared to dry backfill, submerged backfill will exert: a) Same earth pressure b) Less earth pressure c) More earth pressure d) Terzaghi 44 / 50 44. 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 45 / 50 45. 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 46 / 50 46. In an undrained plastic clay, the shear strength is due to a) Internal friction b) Cohesion c) Inter-granular friction d) None of the above 47 / 50 47. The relation between dry density (ρd), bulk density (ρ), and water content (w) is a) ρ = ρd / (1 + w) b) ρd = ρ / (1 + w) c) w = ρ / (1 + ρd) d) w = ρd / (1 + ρ) 48 / 50 48. 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 49 / 50 49. Contribution due to skin friction is maximum in: a) Sands b) Soft clays c) Piles resting on rock d) None of the above 50 / 50 50. 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 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. Send feedback Share the above MCQs:Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on X (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)
