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. 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 2 / 50 2. The types of compaction suitable for cohesionless soil having large thickness are a) Roller b) Rammer c) Vibrator d) Vibrofloatation 3 / 50 3. The structure that derives its stability due to self-weight is: a) Sheet pile wall b) Bulkhead c) Cantilever retaining wall d) Masonry retaining wall 4 / 50 4. The triaxial apparatus is usually used for a) Unconsolidated-untrained test b) Consolidated-untrained test c) Drained test d) All of the above 5 / 50 5. Physical weathering occurs due to a) Temperature changes b) Wedging action of ice c) Spreading of roots of plants d) All of the above 6 / 50 6. The shear strength of a soil a) Is directly proportional to the depth of the soil b) Is directly proportional to the angle of repose of the soil c) Increases with normal stress d) Decreases with an increase in the normal stress 7 / 50 7. A soil sample contains a degree of saturation of 30%, find the percentage of air voids a) 70% b) 30% c) 60% d) 50% 8 / 50 8. 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 9 / 50 9. Distribution of earth pressure with depth is: a) Parabolic b) Hydrostatic c) Non-linear but increasing d) Volume controlled 10 / 50 10. 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 11 / 50 11. The load-carrying capacity of the pile is............due to skin friction. a) Increases b) Decreases c) Constant d) None of the above 12 / 50 12. Rise of water table in cohesionless soils up to the ground surface reduces the net ultimate bearing capacity approximately by: a) 90% b) 80% c) 50% d) 40% 13 / 50 13. 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 14 / 50 14. 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 15 / 50 15. Angle of Internal friction is minimum for a) angular grained loose soil b) angular grained dense soil c) round drained loose soil d) clay 16 / 50 16. In the modified Proctor test, the drop height of the rammer is a) 30cm b) 45cm c) 60cm d) 75cm 17 / 50 17. Falling head permeability test is preferable when the soil sample is a) Clayey b) Silty sand c) Sandy d) Sandy gravel 18 / 50 18. The shear strength of a soil is proportional a) Directly to the angle of internal friction b) Directly to the tangent of the angle of internal friction c) Inversely to the angle of internal friction d) None of the above 19 / 50 19. The critical exit gradient of the seepage of water in soils is a) Directly proportional to the void ratio b) Increases with a decrease in void ratio c) Increases with a decrease in specific gravity d) Inversely proportional to the specific gravity 20 / 50 20. 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 21 / 50 21. 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% 22 / 50 22. The strength of a soil is generally identified by a) Direct tensile stress b) Net stress c) Ultimate shear stress d) Direct ultimate compressive stress 23 / 50 23. The percentage voids (n) has a value a) 0 < n < 100 b) Sr ≤ 0 c) n > 0 d) n ≤ 0 24 / 50 24. The critical exit gradient of the seepage of water in a soil is a) (1-e) / (G-1) b) (G+e) / (1+e) c) (G-1)/(1+e) d) None of the above 25 / 50 25. The angle of internal friction of clay is about a) 5-20° b) 24-30° c) 27-33° d) 30-35° 26 / 50 26. 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 27 / 50 27. 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 28 / 50 28. Which of the following soils has the largest permeability? a) Sand b) Gravel c) Silt d) Clay 29 / 50 29. *Earth pressure acting at a height of ..... in case of inclined surcharge is: a) h/2 from the base of the wall b) h/3 from the base of the wall c) h/4 from the base of the wall d) h/5 from the base of the wall 30 / 50 30. Theoretically, the void ratio in soils can have the following values a) >1 b) <1 c) >0.5 d) All of the above 31 / 50 31. 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 32 / 50 32. 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 33 / 50 33. The angle between the maximum shear stress plane and the horizontal plane is equal to a) 15° b) 30° c) 45° d) 50° 34 / 50 34. Hydrometer readings are corrected for a) Temperature correction b) Meniscus correction c) Both a) and b) of above d) None of the above 35 / 50 35. The law which states that the velocity of flow through a porous medium is directly proportional to the hydraulic gradient is a) Newton's law b) Stokes's law c) Darcy's law d) Reynolds's law 36 / 50 36. 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 37 / 50 37. Cohesion is defined as: a) Attraction of molecules of the same material b) Attraction of molecules of different materials c) Both of the above d) None of the above 38 / 50 38. Hygroscopic water can be removed by a) Gravity flow b) Free flow c) Heating d) All of the above 39 / 50 39. The soil transported by wind and deposited is called: a) Aeolian soil b) Marine soil c) Alluvial soil d) Lacustrine soil 40 / 50 40. 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 41 / 50 41. The maximum water content at which a reduction in water content does not cause a decrease in the volume of the soil mass is known as a) Liquid limit b) Plastic limit c) Shrinkage limit d) Ductile limit 42 / 50 42. On wetting, cohesive soils a) Lose permeability b) Gain shear strength c) Lose elasticity d) Decrease their shear strength 43 / 50 43. 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 44 / 50 44. 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 45 / 50 45. 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 46 / 50 46. The degree of saturation in soils can be defined as the ratio of a) Water by weight to the dry soil weight b) Volume of water to the gross volume of soil c) Volume of water to volume of voids in soil d) Weight of the water to weight of the soil 47 / 50 47. Most of the shear tests are done in equipment which is: a) stress controlled b) strain controlled c) drainage controlled d) volume controlled 48 / 50 48. 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 49 / 50 49. A vertical wall is subjected to a liquid pressure on its one side, the total pressure on the wall acts at a distance of: a) H/3 b) H/2 c) 2H/3 d) 3H/4 50 / 50 50. 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 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 Share the above MCQs:Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on X (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Reddit (Opens in new window)
