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 fresh, 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. As sheet pile walls are embedded in soil, for the design of: a) Active earth pressure only b) Earth pressure at rest only c) Passive earth pressure only d) Active and passive earth pressure both considered 2 / 50 2. 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 3 / 50 3. The most effective method for compacting sand is by using a) Pneumatic rollers b) Sheep foot rollers c) Steel tyred rollers d) Vibration 4 / 50 4. 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 5 / 50 5. The shearing strength of a cohesionless soil depends upon: a) Dry density b) Rate of loading c) Confining pressure d) Nature of loading 6 / 50 6. A fully saturated soil is called a) One phase system b) Two phase system with soil and air c) Two phase system with soil and water d) Three phase system 7 / 50 7. 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 8 / 50 8. Cohesive soils: a) bear high shear strength b) are more plastic c) are good for backfill d) are strong against landslides 9 / 50 9. The lateral earth pressure of the soil moves towards the retaining wall indicates a) Active earth pressure b) Passive earth pressure c) Constant d) All of the above 10 / 50 10. A foundation may be classified as deep 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 11 / 50 11. 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 12 / 50 12. 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 13 / 50 13. 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 14 / 50 14. 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° 15 / 50 15. 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 16 / 50 16. Three-phase system is concerned with a) Partially saturated soil b) Saturated soil c) Dry soil d) All of the above 17 / 50 17. Shearing strength of cohesionless soil depends upon a) Dry density b) Void ratio c) Loading rate d) Normal stress 18 / 50 18. Base failure refers to a failure surface that: a) Is above the toe of the slope b) Includes the toe of the slope c) Is below the toe of the slope d) None of the above 19 / 50 19. 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 20 / 50 20. 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 21 / 50 21. Berms are used to: a) Increase the weight of the dam b) Reduce seepage losses c) Increase shear strength d) Increase factor of safety 22 / 50 22. Sheet piles are held in position by: a) Self-weight of the sheet pile b) Tie rods which are anchored c) Embedding the bottom of the sheet pile d) Adjusting water level on one side 23 / 50 23. 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 24 / 50 24. The most suitable method for increasing the bearing capacity of black cotton soil is: a) Watering the surface of the soil b) Compacting the soil c) Replacement of black cotton soil by sand d) Increasing the depth 25 / 50 25. Specific gravity of solid particles is determined in a laboratory with: a) Shrinkage Limit Method b) Gas Jar Method c) Density Bottle Method d) All of the above 26 / 50 26. 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 27 / 50 27. * A 'shear stress' is a stress which is applied.......to a face of material. a) Perpendicularity b) Parallel c) Softly d) With a bang 28 / 50 28. The specific gravity of sandy soils/gravel is a) <1.5 b) <2.0 c) >2.0 d) >2.5 29 / 50 29. 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 30 / 50 30. The effective stress in a soil is equal to a) Force per natural area b) Force per unit effective area c) Stress shared by the particles of the soil d) Stress shared by the pore water 31 / 50 31. Clays containing organic matter are made suitable for stabilization by first adding a small percentage of a) Hydrated lime b) Cement c) Calcium chloride d) Resins 32 / 50 32. The difference of the range of water between liquid limit and plastic limit is called a) Fluidity index b) Relative consistency c) Shrinkage index d) Plasticity index 33 / 50 33. The types of compaction suitable for cohesionless soil having large thickness are a) Roller b) Rammer c) Vibrator d) Vibrofloatation 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. Angle of internal friction of silty sand a) 5-20° b) 24-30° c) 27-33° d) 30-35° 36 / 50 36. The assumption of Rankine's theory of earth pressure is: a) The soil is semi-finite, homogeneous, dry, and cohesionless b) Ground surface is a plane that may be inclined or horizontal c) The back of the wall is vertical and smooth d) All of the above 37 / 50 37. 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 38 / 50 38. 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 39 / 50 39. 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 40 / 50 40. Which sequence is correct regarding different coefficients of friction in increasing order? a) Kp-Ka-Ko b) Ka-Ko-Kp c) Ko-Kp-Ka d) Kp-Ko-Ka 41 / 50 41. Cement stabilizer is suitable for a) RCC b) Masonry c) Soil stabilization d) All of the above 42 / 50 42. 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 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. A soil sample contains a degree of saturation of 30%, find the percentage of air voids a) 70% b) 30% c) 60% d) 50% 45 / 50 45. 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 46 / 50 46. The base width of the retaining wall is B. What is the maximum permissible eccentricity if the wall should not fail in tension? a) B/3 b) 2B/3 c) B/6 d) B/2 47 / 50 47. 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 48 / 50 48. The soil having minimum/least bearing capacity is: a) Moist clay b) Sandy soil c) Rock soil d) Silt clay 49 / 50 49. 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 50 / 50 50. Terzaghi's analysis assumes: a) Soil is homogeneous and isotropic b) Elastic zone has straight boundaries inclined at (Theta = theta) to the horizontal and plastic zones fully developed c) Failure zones do not extend above the horizontal plane through the base of the footing d) All of the above Please provide accurate information so we can send your Achievement Certificate by mail. NameEmailPhone Number Your score isShare your achievement! LinkedIn Facebook 0% Restart Test Please provide your feedback. Thank you for your valuable feedback. Send feedback Buy Soil Mechanics MCQ PDF for Offline Study