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. 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 2 / 50 2. To what category do the gravel and sand belong? a) Cohesive soil b) Cohesionless soil c) Marine soil d) Expansive soil 3 / 50 3. 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 4 / 50 4. The position of the backfill lies above a horizontal plane at the elevation of the top of the structure is known as: a) Surcharge b) Surcharge angle c) Extra load d) Failure load 5 / 50 5. 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 6 / 50 6. If the failure of a finite slope occurs through the toe, it is known as: a) Slope failure b) Base failure c) Face failure d) Toe failure 7 / 50 7. 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 8 / 50 8. Which of the following is responsible for the shear resistance in soils? a) Intergranular friction b) Cohesion and adhesion between the soil particles c) Both (a) and (b) of the above d) None of the above 9 / 50 9. The ratio of volume of voids to the total volume of the given soil mass is known as a) Porosity b) Void ratio c) Specific gravity d) Water content 10 / 50 10. The quantity of seepage of water in the soil is a) Proportional to the coefficient of permeability b) Proportional to the head of the water at downstream c) Inversely proportional to the coefficient of permeability d) Inversely proportional to the head of the water at downstream 11 / 50 11. In soil if the water content is equal to the liquid limit, its relative consistency is a) 1 b) 10 c) 5 12 / 50 12. Which method is quickest to find the water content of soils? a) Oven dry method b) Alcohol method c) Calcium carbide method d) Sand bath method 13 / 50 13. 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 14 / 50 14. The minimum number of piles needed to support a wall is: a) 1 b) 2 c) 3 d) 4 15 / 50 15. The soil sample contains a volume of void 0.2 and a volume of soil solid is 0.30 then find the void ratio & porosity of soil a) 0.67, 0.40 b) 2, 0.67 c) 0.67, 0.80 d) 0.80, 0.67 16 / 50 16. Cohesionless soil is a) Sand b) Silt c) Clay d) Clay and silt 17 / 50 17. 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 18 / 50 18. Saturated soil is concerned with a) Two-phase system b) Three-phase system c) One-phase system d) All of the above 19 / 50 19. Bleeder wells are required to a) Increase discharge from the main well b) Store drainage water c) Collect seepage water in dams d) Relieve pressure in impervious layers 20 / 50 20. The coefficient of earth pressure for loose sand having an angle of internal friction of 30° is: a) 0.5 b) 1/3 c) 3 d) 1 21 / 50 21. 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 22 / 50 22. A dam is a) One-dimensional structure b) Two-dimensional structure c) Three-dimensional structure d) None of the above 23 / 50 23. The maximum differential settlement in the case of a foundation on clayey soils is: a) 10 mm b) 20 mm c) 30 mm d) 40 mm 24 / 50 24. The shearing strength of a cohesionless soil depends upon: a) Dry density b) Rate of loading c) Confining pressure d) Nature of loading 25 / 50 25. Number of blows required to penetrate the sampler & cone for a depth of ...&... is known as penetration number a) 30cm & 20cm b) 20cm & 30cm c) 40cm & 50cm d) 50cm & 40cm 26 / 50 26. The angle of internal friction of clay is about a) 5-20° b) 24-30° c) 27-33° d) 30-35° 27 / 50 27. 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 28 / 50 28. 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 29 / 50 29. 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 30 / 50 30. The ratio of settlement at any time t, to the final settlement is called a) Percentage settlement b) Partial settlement c) Degree of consolidation d) Residual consolidation 31 / 50 31. In hydrometer analysis, the principle used a) Newton's law b) Darcy's law c) Stoke's law d) Rehbann's law 32 / 50 32. One of the graphical methods for earth pressure determination is: a) Newmark's influence chart method b) Mohr diagram method c) Culmann's method d) Taylor's method 33 / 50 33. The minimum depth of the building foundation in: a) Sandy soil is 80 cm to 100 cm b) Clay soils is 90 cm to 160 cm c) Rocky soils is 5 cm to 50 cm d) All of the above 34 / 50 34. 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 35 / 50 35. Hygroscopic water can be removed by a) Gravity flow b) Free flow c) Heating d) All of the above 36 / 50 36. The admixture used in soil stabilization is a) Cement b) Lime c) Bitumen d) Any of the above 37 / 50 37. 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 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. A pycnometer is used to determine a) Specific gravity and dry density b) Water content and void ratio c) Water content and specific gravity d) Dry density and void ratio 40 / 50 40. 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 41 / 50 41. The density of soil can be increased by a) By reducing the air voids b) By elastic compression of soil grains c) By expelling water from soil pores d) All of the above 42 / 50 42. For normally consolidated clay deposits, the stability analysis of slope by the following method is appropriate: a) Friction circle method b) Swedish circular arc method c) Stices method d) None of the above 43 / 50 43. Flow path/flow channel is a) The space between two adjacent flow lines b) Direction of flow c) The space between two equipotential lines d) None of the above 44 / 50 44. The specific gravity of sandy soils/gravel is a) <1.5 b) <2.0 c) >2.0 d) >2.5 45 / 50 45. Standard Proctor test is used for determining a) Optimum moisture content (OMC) b) Void ratio c) Coefficient of consolidation d) Pavement thickness 46 / 50 46. 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 47 / 50 47. A soil sample contains a degree of saturation of 30%, find the percentage of air voids a) 70% b) 30% c) 60% d) 50% 48 / 50 48. 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) 49 / 50 49. Stability analysis shall be made considering: a) Total stresses b) Normal stresses c) Effective stresses d) Shear stresses 50 / 50 50. The bearing capacity of soil depends upon: a) Shape and size of the particles b) Cohesive properties of particles c) Internal frictional resistance of particles d) All 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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