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 behavior of silt is normally governed by a) Mass energy b) Surface energy c) Mass energy and surface energy d) None of the above 2 / 50 2. A clay deposit that is not fully consolidated under the existing overburden pressure is known as a) Normally consolidated soil b) Overconsolidated soil c) Underconsolidated soil d) None of the above 3 / 50 3. On wetting, cohesive soils a) Lose permeability b) Gain shear strength c) Lose elasticity d) Decrease their shear strength 4 / 50 4. Square root of times fitting method is used for calculating a) Compression index b) Coefficient of consolidation c) Coefficient of compressibility d) Coefficient of volume compressibility 5 / 50 5. The maximum size of a clay particle is a) 0.1mm b) 0.3mm c) 0.002mm d) 0.005mm 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. The reduction factor to the bearing capacity of soil due to the water table at a depth equal to half of the width of the footing below the footing is: a) 0.25 b) 0.50 c) 0.75 d) 1.00 8 / 50 8. 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 9 / 50 9. Toe failure is most likely in the case of: a) Steep slopes b) Gentle slopes c) All inclinations d) Very steep slopes 10 / 50 10. * The shear resistance between particles is provided by: a) Terzaghi's b) Pairwise c) Adhesive d) Broken 11 / 50 11. The maximum pressure which a soil can carry without shear failure is called: a) Safe bearing capacity b) Net ultimate bearing capacity c) Net bearing capacity d) Ultimate bearing capacity 12 / 50 12. 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 13 / 50 13. 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 14 / 50 14. Permeability of soil varies, a) Inversely as the square of grain size b) Inversely as the grain size c) Directly as of grain size d) Square of grain size 15 / 50 15. 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 16 / 50 16. Weathering of soils is caused by a) Periodical temperature changes b) Impact and splitting action of flowing water c) Impact and splitting action of plants and animals d) All of the above 17 / 50 17. 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 18 / 50 18. The thickness of adsorbed layers of soil is measured in a) Angstroms b) cm c) mm d) Micron 19 / 50 19. 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° 20 / 50 20. 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 21 / 50 21. 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 22 / 50 22. Soils are basically a) Organic materials b) Inorganic materials c) Mineral materials d) Organic and inorganic materials 23 / 50 23. The compression resulting from long-term static load and resulting expulsion of water is known as a) Compaction b) Inverse swelling c) Consolidation d) None of the above 24 / 50 24. 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 25 / 50 25. 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 26 / 50 26. If the sand in situ is in the densest state, then its relative density is a) Equal to zero b) Equal to one c) Between 0 and 1 d) Greater than 1 27 / 50 27. The direction of seepage is a) Parallel to equipotential line b) Perpendicular to equipotential line c) Parallel to flow line d) None of the above 28 / 50 28. The shape & structure of an isobar is like a/an a) Onion b) Potato c) Pumpkin d) Turnip 29 / 50 29. Consolidation is a process involving a) Sudden compression of soil b) Tilting and failure of the structure c) Abnormal sinking of foundation d) Gradual expulsion of pore water 30 / 50 30. The active earth pressure of a soil can be defined as lateral pressure exerted by the soil when a) The retaining wall tends to move away from the backfill b) The wall moves into the soil c) The wall moves relative to the backfill d) Any of the above 31 / 50 31. 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 32 / 50 32. The types of compaction suitable in a congested area for cohesive as well as cohesionless soil are a) Roller b) Rammer c) Vibrator d) Vibrofloatation 33 / 50 33. The angle of internal friction of clay is about a) 5-20° b) 24-30° c) 27-33° d) 30-35° 34 / 50 34. The force exerted by flowing water on the sediment particles to cause their motion is called: a) Eddy force b) Buoyant force c) Tractive force d) Kinematic force 35 / 50 35. If the shearing stress is zero on two planes, then the angle between the two planes is a) 45° b) 90° c) 135° d) 180° 36 / 50 36. 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 37 / 50 37. The maximum dry density occurs at a particular water content which is known as a) Optimum moisture content b) Maximum moisture content c) Low moisture content d) Water content 38 / 50 38. The seepage flow through a porous medium is generally a) Turbulent b) Supercritical c) Transitional d) Laminar 39 / 50 39. For the same soil, an increase in compaction effort a) Does not affect OMC b) Increases OMC c) Decreases OMC d) Decreases more dry density 40 / 50 40. 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 41 / 50 41. 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 42 / 50 42. Void ratio, e, of a soil can a) Never be greater than one b) Be equal to zero c) Be greater than zero d) Be between 0 and 1 43 / 50 43. 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 44 / 50 44. 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 which may be inclined or horizontal c) Back of the wall is vertical and smooth d) All of the above 45 / 50 45. The load-carrying capacity of the pile is............due to skin friction. a) Increases b) Decreases c) Constant d) None of the above 46 / 50 46. 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 47 / 50 47. In hydrometer analysis, the principle used a) Newton's law b) Darcy's law c) Stoke's law d) Rehbann's law 48 / 50 48. 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 49 / 50 49. 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 50 / 50 50. The bearing capacity of a soil depends upon: a) Size of the particles b) Shape of the particles c) Cohesive properties 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. Send feedback Buy Soil Mechanics MCQ PDF for Offline Study
