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: 30 Time Allotted: 30 minutes Passing Score: 50% Randomization: Yes Certificate: No Do not refresh the page! 👍 All the best! 1 / 30 1. 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 2 / 30 2. 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° 3 / 30 3. The thickness of adsorbed layers of soil is measured in a) Angstroms b) cm c) mm d) Micron 4 / 30 4. Black cotton soil is not suitable for foundations because of its: a) Black color b) Low bearing capacity c) Cohesive particles d) Swelling and shrinkage nature 5 / 30 5. The percentage of the porosity of loose sand is in the range of a) 5 to 15% b) 15 to 30% c) 30 to 40% d) 40 to 50% 6 / 30 6. 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 7 / 30 7. The top flow line in the case of seepage flow through an earthen dam has the shape of a) Parabola b) Ellipse c) Hyperbola d) None of the above 8 / 30 8. 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 9 / 30 9. 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 10 / 30 10. The load-carrying capacity of the pile is............due to skin friction. a) Increases b) Decreases c) Constant d) None of the above 11 / 30 11. Silts have the following property a) Plasticity b) Limited plasticity c) Limited or no plasticity d) Elasticity 12 / 30 12. The water content of soils can be accurately determined by a) Calcium carbide b) Sand bath c) Alcohol method d) Oven drying method 13 / 30 13. Particle size range is measured by a) Effective size b) Uniformity coefficient c) Coefficient of curvature d) None of the above 14 / 30 14. Number of blows required to penetrate the sampler & cone for a depth of ...&... is known as penetration number a) 30cm & 20cm b) 20cm & 30cm c) 40cm & 50cm d) 50cm & 40cm 15 / 30 15. Bearing capacity of soils depends on: a) Physical characteristics of soil particles b) Moisture content of soil c) Both of the above d) None of the above 16 / 30 16. Angle of internal friction of silty sand a) 5-20° b) 24-30° c) 27-33° d) 30-35° 17 / 30 17. Uniformity coefficient of a soil is: a) always less than 1 b) always equal to 1 c) equal to or less than 1 d) equal or greater than 1 18 / 30 18. Hygroscopic water can be removed by a) Gravity flow b) Free flow c) Heating d) All of the above 19 / 30 19. 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 20 / 30 20. 'Loess' is silty clay formed by the action of a) Wind b) Water c) Glacier d) Gravitational force 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. 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 23 / 30 23. 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 24 / 30 24. The specific gravity of sandy soils/gravel is a) <1.5 b) <2.0 c) >2.0 d) >2.5 25 / 30 25. When a static load is applied, the consolidation is fast in the case of a) Clays b) Silty clays c) Sandy silts d) Sands 26 / 30 26. To what category do the gravel and sand belong? a) Cohesive soil b) Cohesionless soil c) Marine soil d) Expansive soil 27 / 30 27. 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 28 / 30 28. The maximum differential settlement in the case of a foundation on clayey soils is: a) 10 mm b) 20 mm c) 30 mm d) 40 mm 29 / 30 29. The internal molecular attraction of a soil is known as cohesion: a) Increases as the moisture content decreases b) Is more in well-compacted clays c) Depends upon the external applied load d) Decreases as the moisture content increases 30 / 30 30. 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 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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