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. Hydrometer readings are corrected for a) Temperature correction b) Meniscus correction c) Both a) and b) of above d) None of the above 2 / 50 2. 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 3 / 50 3. Black cotton soil is not suitable for foundations because of its: a) Black color b) Low bearing capacity c) Cohesive particles d) Swelling and shrinkage nature 4 / 50 4. Moisture content for the optimum moisture content of silt is a) 5% b) 10% c) 15% d) 20% 5 / 50 5. The phreatic line is a) The u/s face of the earth dam b) The d/s face of the earth dam c) The top flow line d) None of the above 6 / 50 6. A decrease in water content results in a reduction of the volume of a soil in a) Liquid state b) Plastic state c) Semi-liquid state d) All of the above 7 / 50 7. 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 8 / 50 8. 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 9 / 50 9. The ratio of volume of air voids to the total volume of the given soil mass is known as a) Air content b) Percentage of air voids c) Percentage voids d) Degree of saturation 10 / 50 10. Compared to dry backfill, submerged backfill will exert: a) Same earth pressure b) Less earth pressure c) More earth pressure d) Terzaghi 11 / 50 11. 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 12 / 50 12. Standard Proctor test is used for determining a) Optimum moisture content (OMC) b) Void ratio c) Coefficient of consolidation d) Pavement thickness 13 / 50 13. For a well-graded soil, the coefficient of curvature will be between a) 1 and 10 b) 2 and 8 c) 3 and 7 d) 1 and 3 14 / 50 14. If the resultant force at the face of the retaining wall is much more than frictional resistances at the bottom, the failure will be due to: a) Crushing b) Sliding c) Upthrust d) Overturning 15 / 50 15. 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 16 / 50 16. 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 17 / 50 17. Soils are basically a) Organic materials b) Inorganic materials c) Mineral materials d) Organic and inorganic materials 18 / 50 18. A foundation may be classified as shallow if: a) Depth is less than 6 m b) Depth is less than its width c) Depth is less than 1 m d) None of the above 19 / 50 19. The void ratio of soil is a) The ratio of voids to solids in volume b) The ratio of voids to gross volume c) The ratio of solids to voids in volume d) The ratio of solid volume to gross volume 20 / 50 20. Passive earth pressure is defined as a) Retaining wall tends to move away from the backfill b) Retaining wall tends to move towards the backfill c) Retaining wall is in a stationary position d) All of the above 21 / 50 21. A foundation may be classified as spread foundation if: a) Depth to width ratio is more than 2 b) Depth to width ratio is less than 2 c) Length to width ratio is more than 2 d) Length to width ratio is between 1 and 2 22 / 50 22. Falling head permeability test is preferable when the soil sample is a) Clayey b) Silty sand c) Sandy d) Sandy gravel 23 / 50 23. A phreatic line is defined as the line within a dam section below which there are a) Positive equipotential lines b) Positive hydrostatic pressure c) Negative hydrostatic pressure d) Negative equipotential lines 24 / 50 24. 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 25 / 50 25. The angle between the maximum shear stress plane and the horizontal plane is equal to a) 15° b) 30° c) 45° d) 50° 26 / 50 26. 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 27 / 50 27. The degree of saturation, Sr, of soil in percentage has a value a) Sr > 0 b) Sr ≤ 0 c) 0 < S < 100 d) 0 ≤ S ≤ 100 28 / 50 28. The water content of soils can be accurately determined by a) Calcium carbide b) Sand bath c) Alcohol method d) Oven drying method 29 / 50 29. 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 30 / 50 30. California Bearing Ratio test is used: a) To find the bearing capacity of the soil b) To find the thickness of a flexible pavement c) To find the ratio of ultimate bearing capacity to net bearing capacity d) None of the above 31 / 50 31. 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 32 / 50 32. * For a properly designed footing, the bearing stress must be less than the bearing capacity, which is the bearing stress that causes a ......... failure within the foundation soil. a) Tensile b) Expected c) Unexpected d) Shear 33 / 50 33. The seepage force is proportional to a) Head loss b) Flow net c) Head at upstream d) Equipotential gradient 34 / 50 34. Pick up the correct sequence of geological cycle for the formation of soil a) Transportation - Upheaval - Deposition - Weathering b) Transportation - Deposition - Weathering - Upheaval c) Weathering - Upheaval - Deposition - Transportation d) Weathering - Transportation - Deposition - Upheaval 35 / 50 35. The finest size of soil particle is a) Clay b) Silt c) Sand d) Cobble 36 / 50 36. Toe failure is most likely in the case of: a) Steep slopes b) Gentle slopes c) All inclinations d) Very steep slopes 37 / 50 37. The well foundation is normally used under: a) Industrial buildings b) Structures on river beds c) Tall buildings d) Offshore wells 38 / 50 38. Saturated soil is concerned with a) Two-phase system b) Three-phase system c) One-phase system d) All of the above 39 / 50 39. 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 40 / 50 40. The shear strength of a soil is a) Directly proportional to the cohesion of soil b) Directly proportional to the angle of friction of the soil c) Directly proportional to the normal stress d) All of the above 41 / 50 41. 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 42 / 50 42. The tendency of dense sand to expand on the application of shearing load is known as a) Thixotropy b) Dilatancy c) Remoulding less d) Degree of sensitivity 43 / 50 43. 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 44 / 50 44. The seepage force in the soil is a) Parallel to equipotential line b) Perpendicular to equipotential line c) Perpendicular to flow line d) None of the above 45 / 50 45. The triaxial apparatus is usually used for a) Unconsolidated-untrained test b) Consolidated-untrained test c) Drained test d) All of the above 46 / 50 46. A soil sample has the following characteristics: S-50%, G-2.6, W-30%, find the void ratio, e a) 1.56 b) 2.56 c) 0.56 d) 5.61 47 / 50 47. Over-consolidated soils caused due to: a) erosion of overburden b) melting of ice sheets after glaciations c) permanent rise of water table d) all of the above 48 / 50 48. The relationship between void ratio (e) and porosity ratio (n) is a) n = e / (1-n) b) e = n / (1-n) c) e = (1+n) / (1-e) d) (1+e) / (1-e) 49 / 50 49. If the volume of voids is equal to the volume of solids in a soil, then the values of porosity and voids ratio respectively are a) 1.0 and 0 b) 0 and 1 c) 0.5 and 1 d) 1 and 0.5 50 / 50 50. 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° 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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