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: 30 Time Allotted: 30 minutes Passing Score: 50% Randomization: Yes Certificate: No Do not refresh the page! 👍 All the best! 1 / 30 1. Pile foundations are normally used in: a) Soft clayey soil b) Loose sandy soil c) Heavy loaded situations d) When required bearing area is not available 2 / 30 2. 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 3 / 30 3. 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 4 / 30 4. Peat is composed of a) Clay and sand b) Decayed vegetable matter c) Inorganic silt and silty clay d) Synthetic chemicals 5 / 30 5. Absorbed water in soil is a) Same as free water b) The water chemically combined in the crystal structure of the soil material c) Having free movement through the soil by gravity d) Water absorbed from the atmosphere by forces of attraction 6 / 30 6. The change of moisture content of soils changes a) Angle of repose b) Cohesive strength c) Amount of compaction required d) Any of the above 7 / 30 7. Which of the following is not the purpose of a foundation? a) To distribute the weight of the structure b) To load the substratum evenly c) To provide a level surface for building construction d) To increase the safe bearing capacity of the soil 8 / 30 8. Soil having more cohesion than sand a) Silt b) Gravel c) Clay d) None of the above 9 / 30 9. The percentage voids (n) has a value a) 0 < n < 100 b) Sr ≤ 0 c) n > 0 d) n ≤ 0 10 / 30 10. The permeability of a soil deposit in situ can be best obtained by a) Falling head permeameter b) Constant head permeameter c) Pumping test d) None of the above 11 / 30 11. Cohesive soils: a) bear high shear strength b) are more plastic c) are good for backfill d) are strong against landslides 12 / 30 12. Which of the following soils has the largest permeability? a) Sand b) Gravel c) Silt d) Clay 13 / 30 13. The angle of internal friction of clay is about a) 5-20° b) 24-30° c) 27-33° d) 30-35° 14 / 30 14. 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 15 / 30 15. The ratio of plasticity index to flow index is called a) Activity ratio b) Liquidity index c) Toughness index d) Shrinkage index 16 / 30 16. Earth pressure at rest can be defined as lateral pressure exerted by the soil when the retaining wall tends to a) Move away from the backfill b) No movement relative to the backfill c) Move into the soil d) All of the above 17 / 30 17. Particle size range is measured by a) Effective size b) Uniformity coefficient c) Coefficient of curvature d) None of the above 18 / 30 18. Active earth pressure is a) Always less than passive earth pressure b) Always greater than passive earth pressure c) Sometimes greater than passive earth pressure d) Equal to passive earth pressure 19 / 30 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 / 30 20. The seepage force is proportional to a) Exit gradient b) Head of water at upstream c) Head of water at downstream d) None of the above 21 / 30 21. The rise of the water table below the foundation influences the bearing capacity of soil mainly by reducing: a) Effective angle of shearing resistance b) Cohesion and effective unit weight of soil c) Effective unit weight of soil and effective angle of shearing resistance d) Cohesion and effective angle of shearing resistance 22 / 30 22. The functional equation for specific gravity (G), water content (w), void ratio (e), and degree of saturation (Sr) is a) w = SrG / e b) e = Srw / G c) e = wG / Sr d) G = Swr / e 23 / 30 23. 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 24 / 30 24. The critical height in the stability of the soil is the: a) Maximum height at which the stability of the slope is possible b) Minimum height at which the stability of the slope is possible c) Maximum vertical height of the soil in an open excavation d) None of the above 25 / 30 25. The reduction factor to the bearing capacity of soil due to the water table at a depth equal to the width of the footing below the footing is: a) 0.25 b) 0.50 c) 0.75 d) 1.00 26 / 30 26. Stability analysis shall be made considering: a) Total stresses b) Normal stresses c) Effective stresses d) Shear stresses 27 / 30 27. Passive earth pressure is defined as a) Retaining wall tends to move away from the backfill b) Retaining wall tends to move towards the backfill c) Retaining wall is in a stationary position d) All of the above 28 / 30 28. 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 29 / 30 29. 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 30 / 30 30. The shearing strength of a cohesionless soil depends upon: a) Dry density b) Rate of loading c) Confining pressure d) Nature of loading 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