119 Soil Mechanics McQ Chapter Wise Online Test of 25 Question #6 Soil Mechanics McQ Chapter Wise McQ online Test of 25 Question for PSC, NEC, UPSC, SSC and Many more. 1 / 25 1. The total active earth pressure due to dry back fill with no surcharge, acts at H/3 above the base of the wall and is directly proportional to A. H B. √H C. H² D. H³ 2 / 25 2. Total lateral earth pressure is proportional to, A. Depth of soil B. Square of depth of soil C. Angle of internal friction of soil D. None of above 3 / 25 3. Resultant active earth pressure per unit length of wall for dry backfill with no surcharge acting at………….. above the base of wall. A. H/2 B. H C. H/6 D. H/3 4 / 25 4. In active state of plastic equilibrium in a non cohesive soil with horizontal ground surface A. major principal stress is horizontal B. minor principal stress is vertical C. major principal stress is vertical D. minor and major principal stresses are equally inclined to horizontal. 5 / 25 5. In active state, major principle stress 𝜎1 is …………… A. horizontal direction B. vertical direction C. can be both vertical and horizontal direction D. in no direction 6 / 25 6. In passive state, major principle stress 𝜎1 is …………… A. horizontal direction B. vertical direction C. can be both vertical and horizontal direction D. in no direction 7 / 25 7. In non-cohesive soil in passive state of plastic equilibrium A. major principal stress is horizontal B. minor principal stress is vertical C. major principal stress is vertical D. minor and major principal stresses are equally inclined to the horizontal. 8 / 25 8. If the coefficient of passive earth pressure kp is 1/3 then the coefficient of active earth pressure is A. 1/3 B. 1 C. 3 D. 3/2 9 / 25 9. If the coefficient of the active pressure Ka is 1/3, the coefficient of passive pressure Kp, is A. 1/3 B. 2/3 C. 1 D. 3 10 / 25 10. If Ka = coefficient of active earth pressure, Kp = coefficient of passive earth pressure and Ko= coefficient of earth pressure at rest, then relation among coefficient of earth pressure as per Lateral Earth pressure theory is A. Kp > Ko > Ka B. Ka > Kp > Ko C. Kp < Ko < Ka D. Ka < Kp < Ko 11 / 25 11. The coefficient of earth pressure at rest is …………. than coefficient of passive earth pressure. A. less than B. greater than C. equal to D. insufficient data 12 / 25 12. Back fill with a sloping surface exerts a total active pressure Pa on the wall of height H and acts at A. H/4 above the base parallel to base B. H/2 above the base parallel to base C. H/3 above the base parallel to base D. H/5 above the base parallel to base 13 / 25 13. In cohesive soils, depth of vertical cut which no lateral support is required to given by A. 2𝐶/y B. 4𝐶/y C. 2𝛾 /C D. 4𝛾/C 14 / 25 14. The main function of foundation of building is to …….. A. Transfer load to soil B. Deepen building C. Make building higher D. Save building from air 15 / 25 15. The ultimate bearing capacity of a soil, is A. total load on the bearing area B. safe load on the bearing area C. safe load on the bearing area D. load at which soil consolidates 16 / 25 16. The maximum net pressure intensity causing shear failure of soil, is known A. safe bearing capacity B. net safe bearing capacity C. net ultimate bearing capacity D. ultimate bearing capacity 17 / 25 17. The maximum pressure which a soil can carry without shear failure, is called A. safe bearing capacity B. net safe bearing capacity C. net ultimate bearing capacity D. ultimate bearing capacity 18 / 25 18. The permissible settlement is the maximum in the case of A. isolated footing on clay B. raft on clay C. isolated footing on sand D. raft on sand 19 / 25 19. 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 20 / 25 20. According to the assumptions in Terzaghi’s analysis, the soil is A. homogeneous and isotropic B. non homogeneous C. none of the mentioned D. all of the mentioned 21 / 25 21. The parameters Nc, Nq, N𝛾, in the equation of bearing capacity failure are known as A. constant head B. bearing capacity factors C. effective pressure D. load intensity 22 / 25 22. The bearing capacity factors Nc, Nq and N𝛾 are function of A. Cohesion only B. angle of internal friction C. both (a) and (b) of above D. none of above 23 / 25 23. According to Terzaghi’s theory, the ultimate .C. at ground surface for a purely cohesive soil and for a smooth base of a strip footing is A. 2.57c B. 5.14c C. 10.28c D. 12.0c 24 / 25 24. Ultimate bearing capacity of frictionless soil is A. 4.5c to 6c B. 2c to 4c C. C to 3c D. 2c to 5c 25 / 25 25. The bearing capacity of a soil ………….. of footing A. increases with increase in the area B. increases with decrease in the area C. in not affected by the size D. decreases with decrease in size Your score is The average score is 42% 0% Restart quiz Exit civil engineermcqcivilmock testnecpscsoil mechanics mcqupsc