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. On wetting, cohesive soils a) Lose permeability b) Gain shear strength c) Lose elasticity d) Decrease their shear strength 3 / 50 3. Well foundation in sandy soils derive their bearing capacity from: a) Skin friction b) Point bearing c) Uplift d) Skin friction & point bearing 4 / 50 4. 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 5 / 50 5. Silts have the following property a) Plasticity b) Limited plasticity c) Limited or no plasticity d) Elasticity 6 / 50 6. 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 7 / 50 7. Cement stabilizer is suitable for a) RCC b) Masonry c) Soil stabilization d) All of the above 8 / 50 8. An isobar is a line which connects the points of equal stress a) Below GL b) Above GL c) At GL d) Any of the above 9 / 50 9. In Rankine's earth pressure theory, the following assumption is made: a) Wall face is rough and vertical b) Backfill is cohesive soil c) Wall face is smooth and vertical d) Elastic equilibrium is satisfied 10 / 50 10. The lateral pressure exerted by a uniform surcharge of intensity q per unit area is: a) q times the lateral pressure within the surface b) q/γ, where γ is the density of backfill c) 1/q times the lateral pressure within the surface d) None of the above 11 / 50 11. Westergaard's theory is more appropriate for a) layered soils b) homogeneous deposits c) anisotropic soils d) normally consolidated homogeneous soils 12 / 50 12. 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 13 / 50 13. 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 14 / 50 14. Generally, soils are considered as a) Single-phase system b) Two-phase system c) Three-phase system d) None of the above 15 / 50 15. 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 16 / 50 16. 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 17 / 50 17. Most of the shear tests are done in equipment which is: a) stress controlled b) strain controlled c) drainage controlled d) volume controlled 18 / 50 18. The saturated density of soil can be expressed as a) Weight of soil in water to its volume b) Weight of soil minus weight of equivalent water to volume of soil c) Weight of soil less weight of water in voids to the volume of solids plus voids in the soil d) Unit weight of saturated soil 19 / 50 19. If the soil stays at a place above the parent rock where it is produced, then it is called a) Stationary soil b) Static soil c) Residual soil d) Immobile soil 20 / 50 20. 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 21 / 50 21. Overconsolidation may be due to a) The weight of the ice sheet or glacier which is melted away b) The weight of the landslide which is removed c) Both (a) and (b) of the above d) None of the above 22 / 50 22. 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 23 / 50 23. Which of the following statements is true? a) In a dry soil, all the voids are filled with air. b) In a saturated soil, all the voids are filled with water. c) In a partly saturated soil, the voids are occupied by both air and water. d) All of the above 24 / 50 24. In a sand stratum of 1.5m thickness, specific gravity 2.67, and voids ratio 0.67, the head required for the quick condition is equal to a) 2.5m b) 2.0m c) 1.5m d) 3.0m 25 / 50 25. 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 26 / 50 26. Saturated soil is concerned with a) Two-phase system b) Three-phase system c) One-phase system d) All of the above 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. For the determination of shear strength in the laboratory, the tests done are a) Triaxial shear test b) Direct shear test c) All of the above d) Unconfined shear test 29 / 50 29. Bearing capacity of soil is determined by: a) Plate load test b) Standard cone test c) Both (a) and (b) of above d) None of the above 30 / 50 30. 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 31 / 50 31. Compaction of soil is aimed at a) Decreasing dry density b) Increasing porosity c) Decreasing void ratio d) Decreasing shear strength 32 / 50 32. Shearing strength of cohesionless soil depends upon a) Dry density b) Void ratio c) Loading rate d) Normal stress 33 / 50 33. Negative skin friction affects the load carrying capacity of the pile by: a) Increases b) Decreases c) Constant d) None of the above 34 / 50 34. 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 35 / 50 35. 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 36 / 50 36. 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 37 / 50 37. Raising of water table in shallow foundations, near foundation level: a) Reduces bearing capacity b) Increases bearing capacity c) Does not affect bearing capacity d) Increases and then decreases bearing capacity 38 / 50 38. 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 39 / 50 39. A foundation may be classified as a strip foundation if: a) Length is very large b) Length is very large compared with uniform width c) Load is applied at long intervals d) None of the above 40 / 50 40. The bottom plug in well foundation is used: a) To seal off the water b) For stable resting c) To transfer load from the steining to the soil d) Create a working place in the well 41 / 50 41. The seepage force is proportional to a) Head loss b) Flow net c) Head at upstream d) Equipotential gradient 42 / 50 42. In the case of a backfill with a sloping surface, the total active pressure on the wall of height H acts at: a) H/3 above the base parallel to the base b) H/3 above the base parallel to the sloping surface c) H/2 above the base parallel to the base d) H/2 above the base parallel to the sloping surface 43 / 50 43. 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 44 / 50 44. In soil if the water content is equal to the liquid limit, its relative consistency is a) 1 b) 10 c) 5 45 / 50 45. 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 46 / 50 46. 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 47 / 50 47. The critical exit gradient of the seepage of water in soils a) Increases with a decrease in the specific gravity b) Increases with an increase in the specific gravity c) Decreases with an increase in the liquid limit d) None of the above 48 / 50 48. 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 49 / 50 49. 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 50 / 50 50. The process of improving the engineering properties of the soil and thus making it more stable is known as a) Compaction b) Consolidation c) Stabilization d) None of the above Please provide accurate information so we can send your Achievement Certificate by mail. 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