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. Specific gravity of soil is a) Same for clays and sands b) Determined by hydrometer c) Less than 2.0 for most soils d) More than 2.5 for most soils 2 / 50 2. Angle of internal friction of silty sand a) 5-20° b) 24-30° c) 27-33° d) 30-35° 3 / 50 3. If a solid suffers a change in volume by the application of external loads but recovers its volume immediately after the load is removed, such a soil is termed as: a) Compressive soils b) Plastic solids c) Elastic soils d) Perfect soils 4 / 50 4. 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 5 / 50 5. 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 6 / 50 6. Berms are used to: a) Increase the weight of the dam b) Reduce seepage losses c) Increase shear strength d) Increase factor of safety 7 / 50 7. The angle of repose of soil is defined as the angle that an inclined plane makes with the horizontal when a body placed on it just sliding is: a) maximum b) minimum c) average d) vertical 8 / 50 8. The ratio of plasticity index to flow index is called a) Activity ratio b) Liquidity index c) Toughness index d) Shrinkage index 9 / 50 9. 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 10 / 50 10. The difference between plastic limit and shrinkage limit is called a) Fluidity index b) Relative consistency c) Plasticity index d) Shrinkage index 11 / 50 11. 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 12 / 50 12. 'Loess' is silty clay formed by the action of a) Wind b) Water c) Glacier d) Gravitational force 13 / 50 13. The failure plane a) Carries maximum shear stress b) Does not carry maximum shear stress c) Carries minimum shear stress d) None of the above 14 / 50 14. Westergaard's theory is more appropriate for a) layered soils b) homogeneous deposits c) anisotropic soils d) normally consolidated homogeneous soils 15 / 50 15. Cohesionless soil is a) Sand b) Silt c) Clay d) Clay and silt 16 / 50 16. 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 17 / 50 17. The pressure-void ratio curve will be a) Linear when plotted on ordinary paper b) Linear when plotted on semi-log paper c) Linear when plotted on log-log paper d) None of the above 18 / 50 18. 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 19 / 50 19. If in a partially saturated soil, the degree of saturation is 40%, then the air content of the soil is a) 40% b) 50% c) 60% d) 70% 20 / 50 20. For testing a saturated clay for shear strength, the test recommended is a) Direct shear test b) Triaxial compression test c) Unconfined compression test d) All of the above 21 / 50 21. Soil in which some of the intermediate size particles are missing is known as a) Poorly graded soil b) Non-uniform soil c) Ill-proportioned soil d) Skip-graded soil 22 / 50 22. Most of the shear tests are done in equipment which is: a) stress controlled b) strain controlled c) drainage controlled d) volume controlled 23 / 50 23. 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 24 / 50 24. 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 25 / 50 25. The specific gravity of sandy soils/gravel is a) <1.5 b) <2.0 c) >2.0 d) >2.5 26 / 50 26. The property of the soil which allows water to flow through the soil is known as a) Capillary b) Permeability c) Fluidity d) Viscosity 27 / 50 27. The length/diameter ratio of cylindrical specimens used in a triaxial test is generally a) 1 b) 1.5 c) 2 d) 2.5 28 / 50 28. Three-phase system is concerned with a) Partially saturated soil b) Saturated soil c) Dry soil d) All of the above 29 / 50 29. The u/s face of an earthen dam is a) An equipotential line b) A phreatic line c) A flow line d) None of the above 30 / 50 30. The minimum number of piles needed to support a wall is: a) 1 b) 2 c) 3 d) 4 31 / 50 31. 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 32 / 50 32. 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 33 / 50 33. The wall constructed to resist horizontal pressure is: a) Main wall b) Partition wall c) Retaining wall d) All of the above 34 / 50 34. The soil having minimum/least bearing capacity is: a) Moist clay b) Sandy soil c) Rock soil d) Silt clay 35 / 50 35. The maximum size of a clay particle is a) 0.1mm b) 0.3mm c) 0.002mm d) 0.005mm 36 / 50 36. Standard Proctor test is used for determining a) Optimum moisture content (OMC) b) Void ratio c) Coefficient of consolidation d) Pavement thickness 37 / 50 37. 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 38 / 50 38. 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 39 / 50 39. Soils are basically a) Organic materials b) Inorganic materials c) Mineral materials d) Organic and inorganic materials 40 / 50 40. 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 41 / 50 41. 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 42 / 50 42. The bearing capacity of soil primarily depends on: a) Depends on the size of the footing b) Load intensity c) Depends on the load d) Rate of loading 43 / 50 43. The angle of internal friction depends upon a) Particle shape and roughness b) Normal direct pressure c) The amount of interlocking d) All of the above 44 / 50 44. Sheet pile walls are used as: a) Retaining walls for waterfront construction b) Load-bearing pile foundations c) Seepage preventing devices d) Uplift preventing devices 45 / 50 45. Silts have the following property a) Plasticity b) Limited plasticity c) Limited or no plasticity d) Elasticity 46 / 50 46. Degree of saturation of a soil is generally a) Above 100% b) Below zero c) Between 0% and 100% d) None of the above 47 / 50 47. Cohesive soils are generally/normally a) Plastic and also compressible b) Elastic and also compressible c) Plastic but incompressible d) None of the above 48 / 50 48. The quantity of water seeping through a soil is a) Proportional to the head of water downstream b) Proportional to the head of water upstream c) Proportional to the total head loss d) None of the above 49 / 50 49. Falling head permeability test is preferable when the soil sample is a) Clayey b) Silty sand c) Sandy d) Sandy gravel 50 / 50 50. The finest size of soil particle is a) Clay b) Silt c) Sand d) Cobble 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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