1. Rise of water table above the ground surface causes Equal decrease in pore water pressure and total stress Decrease in pore water pressure but increase in total Equal increase in pore water pressure and total stress Increase in pore water pressure but decrease in total stress 2. The average coefficient of permeability of natural deposits Parallel to stratification is always greater than that perpendicular to stratification Parallel to stratification may or may not be greater than that perpendicular to stratification Parallel to stratification is always less than that perpendicular to stratification Is always same in both directions 3. The angle that Coulomb's failure envelope makes with the horizontal is called Angle of repose Cohesion Angle of internal friction None of the options 4. With the increase in the amount of compaction energy Optimum water content decreases but maximum dry density increases Both optimum water content and maximum dry density increase Optimum water content increases but maximum dry density decreases Both optimum water content and maximum dry density decrease 5. The soil moisture driven off by heat, is called Gravity water Hydroscopic water Free water None of the options 6. Shear strength of a soil is a unique function of Effective stress only Total stress only Both effective stress and total stress None of the options 7. A phreatic line is defined as the line within a dam section below which there are Negative hydrostatic pressure Positive equipotential lines Negative equipotential lines Positive hydrostatic pressure 8. Soils containing organic matters Swell with decrease of moisture Are of spongy nature Shrink with increase of moisture content None of the options 9. Pick up the correct statement from the following : Kaolinite shows a very little sign of swelling on wetting Kaolinite is also called China clay Kaolinite is most stable clay All of the options 10. Sensitivity of a soil can be defined as Ratio of volume of voids to volume of solids Percentage of volume change of soil under saturated condition Ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state None of the options 11. Sand particles are made of Rock minerals Illite Montmorillonite Kaolinite 12. The triaxial apparatus is usually used for Drained test Unconsolidated-undrained test Consolidated-undrained test All of the options tests 13. The specific gravity of sands, is approximately 2 2.2 2.6 1.6 14. The internal molecular attraction of a soil, the cohesion Is more in well compacted clays Decreases as the moisture content increases Increases as the moisture content decreases Depends upon the external applied load 15. The coefficient of compressibility of soil, is the ratio of Stress to settlement Rate of loading to that of settlement Stress to strain Strain to stress 16. The plasticity index is the numerical difference between Plastic limit and shrinkage limit Liquid limit and plastic limit Liquid limit and shrinkage limit None of the options 17. Which of the following is a measure of particle size range? Effective size Uniformity coefficient Coefficient of curvature None of the options 18. If the material of the base of the Casagrande liquid limit device on which the cup containing soil paste drops is softer than the standard hard rubber, then The liquid limit of soil always decreases The liquid limit of soil always increases The liquid limit of soil may decrease The liquid limit of soil may increase 19. Pick up the correct statement from the following. The critical gradient depends on the void ratio and the specific gravity At critical hydraulic gradient, the saturated sand becomes quick The phenomenon of quicksand generally occurs in the cohesionless soil All of the options 20. A failure wedge develops if a retaining wall Sinks downwards Moves towards the backfill Moves away from the backfill Stresses equally by vertical and horizontal forces 21. Which one of the following clays behaves like a dense sand? Over-consolidated clay with a low over-consolidation ratio Over-consolidated clay with a high over-consolidation ratio Normally consolidated clay Under-consolidated clay 22. Accurate determination of water content, is made by Calcium carbide method Alcohol method Oven-drying method Sand bath method 23. The shearing strength of a cohesion-less soil depends upon Nature of loading Rate of loading Confining pressure Dry density 24. The neutral stress in a soil mass is Force per neutral area Stress taken up by the pore water Stress taken up by solid particles Force per effective area 25. A triaxial shear test is preferred to direct shear test, because Precise measurement of pore pressure and change in volume during test, is not possible It can be performed under all three drainage conditions with complete control Stress distribution on the failure plane, is non uniform None of the options 26. The clay soil mainly consists of Kaolinite Vermiculite Montmorillonite All of the options 27. The admixture of coarser particles like sand or silt to clay causes Increase in both liquid limit and plasticity index Decrease in both liquid limit and plasticity index Decrease in liquid limit and no change in plasticity index Decrease in liquid limit and increase in plasticity index 28. A clay subjected to pressure in excess to its present over-burden, is said to be Pre-consolidated Pre-compressed Over-consolidated All of the options 29. During seepage through a soil, direction of seepage is always Perpendicular to stream lines Parallel to equipotential lines Perpendicular to equipotential lines None of the options 30. The property of a soil which allows it to be deformed rapidly without rupture, elastic rebound and also a volume change, is known Porosity Ductility Permeability Plasticity 31. Effective stress on soil Increases both voids ratio and permeability Decreases voids ratio and increases permeability Decreases both voids ratio and permeability Increases voids ratio and decreases permeability 32. Pick up the correct statement from the following:- Liquid limit minus plastic limit, is known as plasticity index of the soil Plastic limit minus shrinkage limit, is known as shrinkage index of the soil In soils, the flow index indicates variation in shear strength with water content All of the options 33. The water content of soil is defined as the ratio of Volume of water to volume of given soil Volume of water to volume of voids in soil Weight of water to weight of solids of given mass of soil Weight of water to weight of air in voids 34. Pick up the correct statement from the following . The dry density reduces by addition of water after attaining optimum moisture content Well graded coarse grained soils can be compacted to a very high density as compared to fine grained soils The line joining the peak of three moisture content graphs obtained by using three compactive energies, is called line of optimus All of the options 35. The major principal stress in an element of cohesion-less soil within the backfill of a retaining wall is Vertical if the soil is in a passive state of plastic equilibrium Vertical if the soil is in an active state of plastic equilibrium Inclined at 45 degree to the vertical plane None of the options 36. Physical properties of a permeant which influence permeability are Unit weight only Both viscosity and unit weight Viscosity only None of the options 37. The shear strength of a soil Is directly proportional to the angle of internal friction of the soil Decreases with increase in normal stress Is inversely proportional to the angle of internal friction of the soil Decreases with decrease in normal stress 38. Failure of the stability of slopes, generally occurs along All the surfaces A horizontal surface A curved surface Slip plane 39. Dispersed type of soil structure is an arrangement comprising particles having Face to face or parallel orientation Edge to face orientation All of the above Edge to edge orientation 40. Pick up the correct statement from the following: The first category of soil classification is based on grain size of the soil A soil classification system is meant to provide an accepted and systematic method of describing the various types of soils eliminating personal factors The object of classifying soils is to arrange them into groups according to their properties and behaviour All of the options 41. Coefficient of permeability of soil Increases with the decrease in temperature Does not depend upon temperature Increases with the increase in temperature None of the options 42. A grillage foundation Is provided for heavily loaded isolated columns Is treated as spread foundation Consists of two sets of perpendicularly placed steel beams All of the options 43. The shearing force acting along the slice of a curved surface of slippage, causes the soil to slide Down at the centre Down at the toe Upward at the centre None of the options 44. A critical hydraulic gradient may occur when Seepage pressure is in upward direction Flow is in upward direction Effective pressure is zero All of the options 45. Coefficient of consolidation for clays normally Remains constant at all liquid limits First increases and then decreases with increase in liquid limit Increases with increase in liquid limit Decreases with increase in liquid limit 46. If there is no impervious boundary at the bottom of a hydraulic structure, stream lines tend to follow: A straight line A parabola A semi-circle A semi-ellipse 47. Which of the following methods is best suited for determination of permeability of coarsegrained soils? Falling head method Constant head method Both Falling head method and Constant head method None of the options 48. The ratio of the volume of voids to the total volume of the given soil mass, is known Water content Porosity Void ratio Specific gravity 49. The maximum dry density upto which any soil can be compacted depends upon Moisture content only Amount of compaction energy only Both moisture content and amount of compaction energy None of the options 50. The shear strength in plastic undrained clay, is due to Internal friction Cohesion Inter-granular friction None of the options Submit Answers Retake Test More Civil Engineering Study Material › Civil Engineering Mock Tests with AnswersAdvanced Construction and Equipments Mock TestAdvanced Construction Technology Mock TestBasics of Civil Engineering Mock TestBuilding Construction Mock TestBuilding Materials Mock TestBuilding Services Mock TestBuilding Technology and Architectural Planning Mock TestConcrete Technology and Design Mock TestConcrete Technology Mock TestConstruction Management Mock TestConstruction Project Management Mock TestConstruction Quality Control and Monitoring Mock TestConstruction Technology Mock Test Design of Masonry Structures Mock TestDesign of Reinforced Cement Concrete Elements Mock TestDesign of Steel Structures Mock TestDock and Harbour Engineering Mock TestElements of Remote Sensing Mock TestEngineering Geology Mock TestEngineering Graphics Mock TestEngineering Mechanics Mock TestEstimating and Costing Mock TestEstimation, Costing and Valuation Engineering Mock TestFluid Mechanics Mock TestFoundation engineering Mock Test Geotechnical Engineering Mock TestHighway Engineering Mock TestHydraulics and Fluid Mechanics Mock TestHydraulics Machines Mock TestHydraulics Mock TestIrrigation Engineering Mock TestMaintenance and Rehabilitation of Structures Mock TestPrefabricated Structures Mock TestProfessional Ethics in Engineering Mock TestPublic Health Engineering Mock TestRailway Bridge and Tunnel Engineering Mock TestRailway Engineering Mock Test Railways, Airports, Docks and Harbour Engineering Mock TestRCC Structures Design Mock TestSocietal and Global Impact Mock TestSoil Mechanics and Foundations Mock TestStructural Analysis Mock TestStructural Design and Drawing Mock TestStructural Design Mock TestStructural Mechanics Mock TestSurveying Mock TestWaste Water Treatment Mock TestWater Supply Engineering Mock TestWater and Wastewater Engineerin Mock Test Civil Engineering Mock TestsCivil Engineering MCQ Questions with Answers
