150 TOP Soil Mechanics and Foundation Engineering - Civil Engineering Multiple Choice Questions and Answers PDF _ MCQs Preparation for Engineering Competitive Exams

150 TOP Soil Mechanics and Foundation Engineering - Civil Engineer...1 de 10 http://engineeringmcqs.blogspot.com/2014/08/150-top-soil-mechanics... Home » Soil Mechanics and Foundation Engineering Objective Questions and Answers » 150 TOP Soil Mechanics and Foundation Engineering - Civil Engineering Multiple choice Questions and Answers pdf 150 TOP Soil Mechanics and Foundation Engineering - Civil Engineering Multiple choice Questions and Answers pdf Latest Soil Mechanics and Foundation Engineering Questions and Answers 1. Residual soils are formed by glaciers wind water none of the above Ans:d Labels A.C. Fundamentals 2. Water content of soil can never be greater than 100 % take values only from 0 % to 100 % be less than 0 % be greater than 100 % Ans:d A.C. Fundamentals and circuit theory Online Quiz Questions 3. Which of the following types of soil is transported by gravitational forces ? loess talus drift dune sand Ans:b Applied Mechanics and Graphic Statics Objective Questions and Answers AC Fundamentals and Circuit Theory Online Quiz Questions Airport Engineering Objective Questions and Answers Airport Engineering Online Quiz Questions Applied Mechanics and Graphic Statics Online Quiz Questions Building Materials and Construction Objective Questions and Answers Cables Online Quiz Questions 4. A fully saturated soil is said to be one phase system two phase system with soil and air two phase system with soil and water three phase system Ans:c 5. Valid range for S, the degree of saturation of soil in percentage is S>0 S<0 0<S<100 0 < S < 100 Ans:d 7. A soil has a bulk density of 22 kN/m3 and water content 10 %. The dry density of soil is a) 18.6 kN/m3 b) 20.0 kN/m3 c) 22.0 kN/m3 d) 23.2 kN/m3 Ans:b Cables Online Quiz Questions and Answers Chemical Engineering Multiple choice Questions and Answers CIRCUIT THEORY AND ELECTRIC NETWORKS Questions and Answers Circuits and Circuit Theory Quiz Questions and Answers Civil Engineering Interview Questions and Answers pdf download free competitive and entrance examinations Compressors Concrete Technology and Design of Concrete Structures Objective Questions Construction Planning and Management Objective questions and Answers Construction Planning and Management Online Quiz Questions Control Systems Quiz Questions and Answers CSE Course Questions and Answers If the voids of a soil mass are full of air only, the soil is termed as air entrained soil partially saturated soil dry soil dehydrated soil Ans:c Valid range for n, the percentage voids, is 0<n<100 0<n<100 n>0 n<0 Ans:a 10. Select the correct statement. Unit weight of dry soil is greater than unit weight of wet soil. For dry soils, dry unit weight is less than total unit weight. Current Electricity Objective Quiz questions and Answers Current Electricity Online Quiz Questions D.C. Generators Quiz Questions and Answers D.C. Motors Quiz Questions and Answers DC Generators Online Quiz Questions DC Motors Online Quiz Questions Design of Masonry Structures Objective Questions and Answers Design of Steel Structures Objective Questions Design of Steel Structures Online Quiz Questions Docks and Harbor Engineering Objective Questions and Answers 20/11/2016 13:51 com/2014/08/150-top-soil-mechanics. 2 de 10 http://engineeringmcqs.20 Ans:c Fluid Mechanics Interview Questions 19. Voids ratio of a soil mass can never be greater than unity be zero take any value greater than zero take values between 0 and 1 only Ans:c Economics of Power Generation Online Quiz Questions 12. The hydrometer method of sedimentation analysis differs from the pipette analysis mainly in the principle of test Machine Design Objective Type Questions and Answers Machine Design Online Quiz Questions Machine Design Quiz Questions and Answers Magnatic Circuit Online Quiz Questions Magnetic Circuit Online Quiz Questions Magnetic Circuit Quiz Questions and 20/11/2016 13:51 .150 TOP Soil Mechanics and Foundation Engineering .Electrical Engineering mcqs Industrial Drives Quiz Questions and Answers Industrial Engineering Objective type Questions and Answers Irrigation 24. then the voids ratio of the sample is less than specific gravity of soil equal to specific gravity of soil greater than specific gravity of soil independent of specific gravity of soil Ans:b ELECTRICAL OBJECTIVE QUESTIONS WITH ANSWERS Electrolysis and Storage of Batteries Online Quiz questions Electrolysis and Storage of Batteries Quiz Questions and Answers Electromagnetic Induction Quiz Questions and Answers Electromagnetic Objective type questions and answers Electrostatics Online Quiz Questions Engineering Material Model Online test papers Engineering Material Online Quiz Questions and Answers Engineering Material Online Test2 Engineering Materials Objective type Questions and Answers Engineering Mechanics Objective type Questions and Answers Engineering Mechanics Online Practice Tests Engineering Mechanics Online Quiz Questions 17.. Unit weight of soil increases due to submergence in water. Engines Objective type Questions and Answers IE Engines Quiz Questions Industrial Drives . Unit weight of soil decreases due to submergence in water.Civil Engineer. If the sand in-situ is in its densest state.0 0.0 and 1. If the volume of voids is equal to the volume of solids in a soil mass. Select the correct range of density index.0 and 0.95 1. the soil mass under consideration represents one phase system two phase system with soil and air two phase system with soil and water three phase system Ans:b Electrical Mechine Online Quiz Questions 14.0002 mm greater than 0. If the degree of saturation of a partially saturated soil is 60%.0 and 0. which of the following methods is best suited for quick determination of water content of a soil mass ? oven drying method sand bath method alcohol method calcium carbide method Ans:d 22.ID lD>0 ID>0 0 < lD < 1 0 < ID < 1 Ans:d Electromagnetic Induction Online Quiz Questions 15.4 0.C.0 0.0002 mm all of the above Ans:c Engines Environmental Engineering Objective type Questions and Answers Environmental Engineering Online Quiz Questions Fluid Mechanics Objective type Questions and Answers Fluid Mechanics Online Quiz Questions Fluid Mechanics Problems Quiz multiple choice questions download free Gas Turbines and Jet Engines Model paper1 Gas Turbines and Jet Engines Objective type Questions and Answers Gas Turbines and Jet Engines Quiz Online Practice tests Gas Turbines and Jet Engines Quiz Test2 Gate Preparation questions for ECE Heat Transfer Objective type Questions and Answers Heat Transfer Online Test Heating and Welding Online Quiz Questions Heating and Welding Quiz Questions and Answers Highway engineering Objective questions and answers Highway Engineering Online Quiz Questions Hydraulic Machines Objective type Questions and Answers Hydraulics and Fluid Mechanics Objective Questions and Answers Hydraulics and Fluid Mechanics Online Quiz questions Hydrolic Mechines Engineering Quiz Questions Hydrolic Mechines Test 1 online Quiz Questions I.2 mm between 0. then the relative density of sand is zero 1 between 0 and 1 greater than 1 Ans:b 20. Which of the following methods is most accurate for the determination of the water content of soil ? oven drying method sand bath method calcium carbide method pycnometer method Ans:a 21. For proper field control. Ans:d ECE Objective type Questions and Answers 11.2 mm and 0..5 Ans:c ECE Questions and Gate and All Competitive Questions and Answers Economics of Power Generation Quiz Questions and Answers Electric Traction Quiz Questions and Answers Electrical Cables Quiz Questions and Answers Electrical Engineering Materials Quiz Questions Electrical Engineering Materials Quiz Questions and Answers Electrical Engineering MCQs Electrical Machine Design Quiz Questions and Answers Electrical Mechine online Quiz Questions 13. then air content of the soil is 40% 60% 80% 100% Ans:a Electrostatics Quiz Questions and Answers 16.blogspot..6 0. Relative density of a compacted dense sand is approximately equal to 0. then the values of porosity and voids ratio respectively are 1. The ratio of volume of voids to the total volume of soil mass is called a) air content porosity percentage air voids voids ratio Ans:b Engineering Mechanics Quiz Questions and Answers 18. If the water content of a fully saturated soil mass is 100%.0 1. Stoke's law is valid only if the size of particle is less than 0. In hydrometer analysis for a soil mass both meniscus correction and dispersing agent correction are additive both meniscus correction and dispersing agent correction are subtractive meniscus correction is additive and dispersing agent correction is subtractive meniscus correction is subtractive and dispersing agent correction is additive Ans:c 25. A pycnometer is used to determine water content and voids ratio specific gravity and dry density water content and specific gravity voids ratio and dry density Ans:c 23.5 and 1.. When the degree of saturation is zero. For a well graded soil. Which of the following is a measure of particle size range ? effective size uniformity coefficient coefficient of curvature none of the above Ans:b Measurement and Instrumentation Quiz Questions and Answers 27. Toughness index is defined as the ratio of plasticity index to consistency index plasticity index to flow index liquidity index to flow index consistency index to liquidity index Ans:b 34.75 mm to 2. According to Atterberg.. the range of silt size particles is 4. then the plasticity index is reported as negative zero non-plastic (NP) 1 Ans:b 33.. A soil is said to be well graded if it has most of the particles of about the same size none of the above Ans:d 28. 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. When the plastic limit of a soil is greater than the liquid limit. then a) the liquid limit of soil always increases the liquid limit of soil always decreases the liquid limit of soil may increase the liquid limit of soil may decrease Ans:a 42. Which of the following soils has more plasticity index ? sand silt clay gravel Ans:c 40. A uniform soil has less strength and stability than a non-uniform soil. all soils possess same shear strength of small magnitude same shear strength of large magnitude different shear strengths of small magnitude different shear strengths of large magnitude Ans:a 41. Which of the following statements is correct? Uniformity coefficient represents the shape of the particle size distribution curve. is known as liquid limit plastic limit shrinkage limit plasticity index Ans:a 39. the soil mass is said to be in liquid state plastic state semi-solid state solid state Ans:b 32. Select the correct statement. the soil is sand silt clay clayey silt Ans:a 35. the soil is said to be of medium plasticity if the plasticity index PI is 0 < PI < 7 7<PI< 17 17<PI<27 PI>27 Ans:b 30. According to IS classification. Uniformity coefficient of a soil is always less than 1 always equal to 1 equal to or less than 1 equal to or gi eater than 1 Ans:d 29. At liquid limit. 3 de 10 http://engineeringmcqs.Mechanical Engineering Test 3 Thermodynamics Online Electronics Test 4 .com/2014/08/150-top-soil-mechanics. The water content of soil.150 TOP Soil Mechanics and Foundation Engineering . If the natural water content of soil mass lies between its liquid limit and plastic limit.Civil Engineer. both uniformity coefficient and coefficient of curvature are nearly unity.00 mm Magnetism and Electromagnetism Online Quiz Questions Magnetism and Electromagnetism Quiz Questions and Answers Mechanical Engineering Objective Type Questions and Answers Mechanical Engineering Online Model Exams Mechanical Engineering Online Model Exams Network Theorems Online Quiz Questions Network Theorems Quiz Questions and Answers Nozzles and Turbines Objective Questions Nuclear Power Plants Objective type questions and answers Nuclear Power Plants Online Quiz Questions Online tests for interview Polyphase Induction Motors Online Quiz Questions Polyphase Induction Motors Quiz Questions and Answers Power Plant Engineering Online Quiz Questions Power Plant Engineering Quiz Questions and Answers Process Instrument and Control Online Quiz Questions Production management and Industrial Engineering Online Quiz Questions Production Technology Objective type Questions and Answers Railway Engineering Online Quiz Questions Railways .. A uniform soil has more strength and stability than a non-uniform soil. If the plasticity index of a soil mass is zero. d) Uniformity coefficient of a poorly graded soil is more than that of a well graded soil.Civil Engineering Questions and Answers Rectifiers and Converters Quiz Questions and Answers Refregiration and air Conditioning Quiz Online Practice Test Refrigeration and Air Conditioning Objective type Questions and Answers Single Phase Induction Motors Quiz Questions and Answers Soil Mechanics and Foundation Engineering Objective Questions and Answers Soil Mechanics and Foundation Engineering Online Quiz Questions Steam Boilers Steam Boilers and Turbines Online practice Questions Steam Boilers and Turbines Online Quiz Questions Strength of Materials Objective Questions and Answers Strength of Materials Online Quiz Questions Strength of Materials Questions and Answers Strengths of Meterials Online Quiz Questions Structural Analysis Objective Questions and Answers Structural Analysis Online Quiz Questions Surveying Online Quiz Questions Surveying Problems Quiz questions Switchgear Protections Online Quiz Questions Switchgear Protections Quiz Questions and Answers Synchronous Motors Online Quiz test Questions Synchronous Motors Quiz Questions and Answers Theory of Machines Objective type Questions and Answers Theory of Machines Online Quiz Quesions Theory of Machines Online Quiz Questions Thermodynamics Model Exams Thermodynamics Objective Type Questions and Answers Thermodynamics Online Electronics Test . which represents the boundary between plastic state and liquid state. the method of taking observations the method of preparation of soil suspension all of the above Ans:b Answers 26. Ans:b 38..Mechanical Engineering Test 4 Thermodynamics Online Model Tests Thermodynamics Online Quiz Questions And Answers Thermodynamics Sample Model Paper TOP Civil Engineering Multiple choice Questions and Answers Transformers Online Quiz test Questions Transformers Quiz Questions and Answers Transmission and Distribution Quiz Questions and Answers Transmission and Distribution Quiz test Questions Tunnel Engineering Objective type Questions and Answers Water Resources and Irrigation 20/11/2016 13:51 . The admixture of coarser particles like sand or silt to clay causes decrease in liquid limit and increase in plasticity index decrease in liquid limit and no change in plasticity index decrease in both liquid limit and plasticity index increase in both liquid limit and plasticity index Ans:c 36.blogspot. Uniformity coefficient does not affect strength and stability. 5 kg/cm2 and zero 0.075 mm 0. The clay mineral with the largest swelling and shrinkage characteristics is kaolinite illite montmorillonite none of the above Ans:c 47..150 TOP Soil Mechanics and Foundation Engineering . The greater the unit weight.075 mm to 0. Inorganic soils with low compressibility are represented by MH SL ML CH Ans:c 45.com/2014/08/150-top-soil-mechanics.Civil Engineer. Quick sand is a a) type of sand flow condition occurring in cohesive soils flow condition occurring in cohesionless soils flow condition occurring in both cohesive and cohesionless soils Ans:a 54.67 is equal to 1.0m 1. Rise of water table above the ground surface causes equal increase in pore water pressure and total stress equal decrease in pore water pressure and total stress increase in pore water pressure but decrease in total stress decrease in pore water pressure but increase in total stress Ans:a 50. Physical properties of a permeant which influence permeability are viscosity only unit weight only both viscosity and unit weight none of the above Ans:c 56..5 kg/cm2 Ans:b 51.5 kg/cm2 and 0. The hydraulic head that would produce a quick condition in a sand stratum of thickness 1. Dispersed type of soil structure is an arrangement comprising particles having face to face or parallel orientation edge to edge orientation edge to face orientation all of the above Ans:a 48. the type of soil is gravel 20/11/2016 13:51 .blogspot.425 mm 0. the greater is permeability.425 mm to 0.8 mm/sec. Select the correct statement.5 m 2.00 mm to 0.. Effective stress is the stress at particles contact a physical parameter that can be measured important because it is a function of engineering properties of soil all of the above Ans:c 49. 2. then the effective stress is reduced due to decrease in total stress only but pore water pressure does not change effective stress is reduced due to increase in pore water pressure only but total stress does not change total stress is reduced due to increase in pore water pressure only but effec-tive stress does not change total stress is increased due to de-crease in pore water pressure but effective stress does not change Ans:b 53.002 mm Ans:d Engineering Water Resources Engineering and Hydrology Online Quiz Questions 43. Sand particles are made of rock minerals kaolinite illite montmorillonite Ans:a 46. 4 de 10 http://engineeringmcqs. The greater the viscosity. If the water table rises upto ground surface. If the permeability of a soil is 0.67 and voids ratio 0.5 m. specific gravity 2. Highway Research Board (HRB) classification of soils is based on particle size composition plasticity characteristics both particle size composition and plasticity characteristics none of the above Ans:c 44.. Unit weight does not affect per-meability.0 m 3m Ans:b 55.5 kg/cm2 1. The greater the unit weight. the greater is permeability. The total and effective stresses at a depth of 5 m below the top level of water in a swimming pool are respectively zero and zero 0.0 kg/cm2 and 0. Effective stress on soil increases voids ratio and decreases permeability increases both voids ratio and permeability decreases both voids ratio and permeability decreases voids ratio and increases permeability Ans:c 58. Ans:b 57. the smaller is permeability. 3% decreases by 33.com/2014/08/150-top-soil-mechanics. Due to a rise in temperature.150 TOP Soil Mechanics and Foundation Engineering . The flownet for an earthen dam with 30 m water depth consists of 25 potential drops and 5 flow channels.28 036 0. Which of the following methods is best suited for determination of permeability of coarse-grained soils ? constant head method falling head method both the above none of the above Ans:a 61.Civil Engineer.0045 m3/sec 0.036 Ans:b 79.. the viscosity and the unit weight of the percolating fluid are reduced to 60% and 90% respectively.1125m3/sec Ans:a 66. The coefficient of permeability of dam material is 0. The most suitable method for drainage of fine grained cohesive soils is well ppint system vacuum method deep well system electroosmosis method Ans:d 67..blogspot. the coefficient of permeability increases by 25% increases by 50% increases by 33. 5 de 10 http://engineeringmcqs. Which of the following methods is more suitable for the determination of permeability of clayey soil ? constant head method falling head method horizontal permeability test none of the above Ans:b 60.. Total number of stress components at a point within a soil mass loaded at its boundary is 3 6 9 16 Ans:c 76. The total discharge from two wells situated near to each other is sum of the discharges from individual wells less than the sum of the discharges from individual wells greater than the sum of the discharges from individual wells d) equal to larger of the two discharges from individual wells Ans:b 65.18m3/sec 0.00018 nrVsec 0. The slope of isochrone at any point at a given time indicates the rate of change of effective stress with time effective stress with depth pore water pressure with depth pore water pressure with time Ans:c 77. The value of compression index for a remoulded sample whose liquid limit is 50% is 0. The discharge per meter length of dam is 0. Coefficient of permeability of soil does not depend upon temperature increases with the increase in temperature increases with the decrease in temperature none of the above Ans:b 63.028 0.03 mm/sec. sand silt clay Ans:b 59.. If other things remain constant. Coefficient of consolidation of a soil is affected by compressibility permeability both compressibility and permeability none of the above 20/11/2016 13:51 . Within the consolidation process of a saturated clay a gradual increase in neutral pressure and a gradual decrease in effective pressure takes place and sum of the two is constant a gradual decrease in neutral pressure and a gradual increase in effective pressure takes place and sum of the two is constant both neutral pressure and effective pressure decrease both neutral pressure and effective pressure increase Ans:b 78. The average coefficient of permeability of natural deposits parallel to stratification is always greater than that perpendicular to stratification parallel to stratification is always less than that perpendicular to stratification is always same in both directions parallel to stratification may or may not be greater than that perpendicular to stratification Ans:a 64.3% Ans:b 62. Which one of the following clays behaves like a dense sand ? over-consolidated ciay with a high over-consolidation ratio over-consolidated clay with a low over-consolidation ratio normally consolidated clay under-consolidated clay Ans:a 80. the fine grained soils and coarse grained soils are compacted respectively as dry of OMC and wet of OMC wet of OMC and dry of OMC 20/11/2016 13:51 . Select the correct statement. Coefficient of compressibility is constant for any type of soil different for different types of soils and also different for a soil under different states of consolidation different for different types of soils but same for a soil under different states of consolidation independent of type of soil but depends on the stress history of soil Ans:b 90. Coarse grained soils are best compacted by a drum roller rubber tyred roller sheep's foot roller vibratory roller Ans:d 94. The time taken by clay layer B of the same thickness with double drainage and coefficient of consolidation Cv/2 to achieve the same degree of consolidation is 3 months 6 months 12 months 24 months Ans:a 85. For better strength and stability. then the settlement of the same clay is 10 mm 20 mm 40 mm none of the above Ans:a 93. Direct measurement of permeability of the specimen at any stage of loading can be made only in fixed ring type consolido-meter only in floating ring type consolido-meter both (a) and (b) none of the above Ans:a 87.. The ultimate consolidation settlement of a structure resting on a soil decreases with the increase in the initial voids ratio decreases with the decrease in the plastic limit increases with the increase in the initial voids ratio increases with the decrease in the porosity of the soil Ans:a 91. Degree of consolidation is directly proportional to time and inversely proportional to drainage path directly proportional to time and inversely proportional to square of drainage path directly proportional to drainage path and inversely proportional to time directly proportional to square of drainage path and inversely proportional to time Ans:b 82. The ultimate consolidation settlement of a soil is directly proportional to the voids ratio directly proportional to the compression index inversely proportional to the compression index none of the above Ans:b 92.Civil Engineer.. Compressibility of sandy soils is almost equal to that of clayey soils much greater than that of clayey soils much less than that of clayey soils none of the above Ans:c 88. coefficient of compressibility of an over-consolidated clay is less than that of a normally consolidated clay coefficient of compressibility of an over-consolidated clay is greater than that of a normally consolidated clay coefficient of compressibility is cons-tant for any clay none of the above Ans:a 89.blogspot.com/2014/08/150-top-soil-mechanics.150 TOP Soil Mechanics and Foundation Engineering .. 6 de 10 http://engineeringmcqs. Clay layer A with single drainage and coefficient of consolidation Cv takes 6 months to achieve 50% consolidation. Ans:c 81. Coefficient of consolidation for clays normally decreases with increase in liquid limit increases with increase in liquid limit first increases and then decreases with increase in liquid limit remains constant at all liquid limits Ans:a 86.. A normally consolidated clay settled 10 mm when effective stress was increased from 100 kN/m2 to 200 kN/ m2. Time factor for a clay layer is a dimensional parameter directly proportional to permeability of soil inversely proportional to drainage path independent of thickness of clay layer Ans:b 84. The maximum dry density upto which any soil can be compacted depends upon a) moisture content only amount of compaction energy only both moisture content and amount of compaction energy none of the above Ans:c 97. With the increase in the amount of compaction energy optimum water content increases but maximum dry density decreases optimum water content decreases but maximum dry density increases both optimum water content and maximum dry density increase both optimum water content and maximum dry density decrease[ES 93] Ans:b 95. If the effective stress is further increased from 200 kN/ m2 to 400 kN/ m2. The values of cohesion and angle of internal friction for the soil are respectively 0. 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 above Ans:a 104. If the shearing stress is zero on two planes. In a direct shear box test. Unconfined compression test can be carried out on all types of soils. the volume of the soil sample during shear decreases increases remains unchanged first increases and then decreases Ans:a 102. Skempton's pore pressure coefficient B for saturated soil is 1 zero between 0 and 1 greater than 1 [CS 95] Ans:a 103..e. Effective cohesion of a soil can never have a negative value. 7 de 10 http://engineeringmcqs. Stress distribution on the failure plane in the case of triaxial compression test is uniform. Ans:d 113... In the triaxial compression test. Unconfmed compressive strength test is undrained test drained test consolidated undrained test consolidated drained test Ans:a 107. then the angle between the two planes is 45° 90° 135° 225° Ans:b 114..5° 0° Ans:b 112. Effective angle of internal friction for coarse grained soils is rarely below 30°. the application of additional axial stress (i. deviator stress) on the soil specimen 20/11/2016 13:51 . Select the incorrect statement. Effective angle of shearing resistance a) increases as the size of particles increases increases as the soil gradation im-proves is limited to a maximum value of 45° is rarely more than 30° for fine grained soil Ans:c 106. The failure plane was inclined to the horizontal plane at an angle of 45°. A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m2 when it was laterally unconfmed. Ans:a 99.05 N/mm2 and 0° 0.blogspot. Effective angle of internal friction is a complicated function of mineralogy and clay size content. the inclination of the cracks to the horizontal is 90° 45° 22.2 N/mm2 and 0° 0. For a loose sand sample and a dense sand sample consolidated to the same effective stress ultimate strength is same and also peak strength is same ultimate strength is different but peak strength is same ultimate strength is same but peak strength of dense sand is greater than that of loose sand ultimate strength is same but peak Ans:c 100. water content and undrained strength decrease with depth Ans:c 105. In a consolidated drained test on a normally consolidated clay.Civil Engineer. wet of OMC and wet of OMC dry of OMC and dry of OMC where OMC is optimum moisture content Ans:b 98. In a deposit of normally consolidated clay effective stress increases with depth but water content of soil and un-drained strength decrease with depth effective stress and water content increase with depth but undrained strength decreases with depth effective stress and undrained strength increase with depth but water content decreases with depth effective stress. The shear strength of a soil is directly proportional to the angle of internal friction of the soil is inversely proportional to the angle of internal friction of the soil decreases with increase in normal stress decreases with decrease in normal stress Ans:d 101.150 TOP Soil Mechanics and Foundation Engineering . Better control is achieved on the drainage of the soil in a triaxial compression test. If a cohesive soil specimen is subjected to a vertical compressive load.05 N/mm2 and 45° Ans:b 109.com/2014/08/150-top-soil-mechanics.5 N/mm2 and 30° 0. Select the incorrect statement. Select the incorrect statement. the plane of shear failure is predetermined. The angle that Coulomb's failure envelope makes with the horizontal is called cohesion angle of internal friction angle of repose none of the above Ans:a 111. Effective angle of internal friction for a soil increases as state of compact-ness increases. Terzaghi's general bearing capacity formula for a strip footing (C Nc + y D Nq + 0. NY = bearing capacity factors Ans:c 144. The major principal stress in an element of cohesionless soil within the backfill of a retaining wall is vertical if the soil is in an active state of plastic equilibrium vertical if the soil is in a passive state of plastic equilibrium inclined at 45° to the vertical plane none of the above Ans:a 126. application of cell pressure) only and not during the second stage (i.5 2. The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing cohesion and effective angle of shearing resistance cohesion and effective unit weight of soil effective unit weight of soil and effective angle of shearing resistance effective angle of shearing resistance Ans:b 143. If the angle of wall friction is 7°. In a triaxial compression test when drainage is allowed during the first stage (i.15 "N/mm2. Coefficient of earth pressure at rest is less than active earth pressure but greater than passive earth pressure greater than active earth pressure but less than passive earth pressure greater than both the active earth pressure and passive earth pressure less than both the active and passive earth pressures Ans:b 137. Bishop's method of stability analysis is more conservative neglects the effect of forces acting on the sides of the slices assumes the slip surface as an arc of a circle all of the above Ans:c 138. then the resultant active earth pressure will act at a distance of 2 m above the base and inclined to the horizontal at an angle of 7° 10° 12° 17° Ans:c 128.150 TOP Soil Mechanics and Foundation Engineering .com/2014/08/150-top-soil-mechanics. Skempton's pore pressure parameter B is 0. A retaining wall 6m high supports a backfill with a surcharge angle of 10°. application of deviator stress at constant cell pressure). The effect of cohesion on a soil is to reduce both the active earth pressure intensity and passive earth pressure intensity increase both the active earth pressure intensity and passive earth pressure intensity reduce the active earth pressure in-tensity but to increase the passive earth pressure intensity increase the active earth pressure in-tensity but to reduce the passive earth pressure intensity [GATE 99] Ans:c 127.5 -0. 8 de 10 http://engineeringmcqs. The back of the wall is inclined to the vertical at a positive batter angle of 5°.2.26 N/mm2.0 .e.07 N/mm2 to 0.. the test is known as consolidated drained test consolidated undrained test unconsolidated drained test unconsolidated undrained test Ans:b 120.Civil Engineer. e. Rankine's theory of earth pressure assumes that the back of the wall is plane and smooth plane and rough vertical and smooth vertical and rough Ans:c 123. During the first stage of triaxial test when the cell pressure is increased from 0.blogspot.0 Ans:a 121.. Sensitivity of a soil can be defined as 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 ratio of volume of voids to volume of solids none of the above Ans:b 122.. The coefficient of active earth pressure for a loose sand having an angle of internal friction of 30° is 1/3 3 1 1/2 Ans:a 124. Terzaghi's bearing capacity factors Nc..5 Y NTB) gives safe bearing capacity net safe bearing capacity ultimate bearing capacity net ultimate bearing capacity where C = unit cohesion Y =unit weight of soil D = depth of foundation B = width of foundation N„ Nq. Nq and Nr are functions of cohesion only 20/11/2016 13:51 . Allowable bearing pressure for a foundation depends upon allowable settlement only ultimate bearing capacity of soil only both allowable settlement and ultimate bearing capacity none of above Ans:c 142. produces shear stress on horizontal plane only vertical plane only both horizontal and vertical planes all planes except horizontal and vertical planes Ans:d 116.10 N/mm2 to 0. the pore water pressure increases from 0. Rise of water table in cohesionless soils upto ground surface reduces the net ultimate bearing capacity approximately by 25% 50% 75% 90% Ans:b 150. You also find all interview questions at link at the end of this post. A 600 mm square bearing plate settles by 15 mm in plate load test on a cohesionless soil under an intensity of loading of 0.. few errors àre there Reply kundan singh 14 March 2016 at 22:57 Quick sand is not a type of sand. 9 de 10 http://engineeringmcqs. The settlement of a prototype shallow footing 1 m square under the same intensity of loading is 15 mm 30 mm 50 mm 167 mm Ans:c 149. Ans:a 147. Bearing capacity of a soil is indepen-dent of rate of loading.Civil Engineer.. Bearing capacity of a soil depends upon the amount and direction of load. Bearing capacity of a soil depends upon shape and size of footing.com/2014/08/150-top-soil-mechanics.. A 300 mm square bearing plate settles by 15 mm in a plate load test on a cohesive soil when the intensity of loading is 0. Avoid surprises — interviews need preparation.2 N/ram2.2 N/mm2. Source: Interview Questions & Answers: Best rgs Reply Replies abdul mohamed 16 December 2015 at 12:49 i am thankful for this work Reply rajat meena 28 January 2016 at 09:57 quick sand is not a type of sand it is a flow condition in cohesionless soil Reply kundan singh 14 March 2016 at 22:56 Quick sand is not a type of sand. few errors àre there Reply 20/11/2016 13:51 .com 16 October 2015 at 01:32 Tks very much for your post. In the plate loading test for determining the bearing capacity of soil.. We've gathered together the most common questions so you can get your preparation off to a flying start. Bearing capacity of a soil depends on the type of soil.150 TOP Soil Mechanics and Foundation Engineering . your experience and the job itself. angle of internal friction only both cohesion and angle of internal friction none of the above Ans:b 145. Contact pressure beneath a rigid footing resting on cohesive soil is less at edges compared to middle more at edges compared to middle uniform throughout none of the above Ans:b Labels: Soil Mechanics and Foundation Engineering Objective Questions and Answers 12 comments: vergarasofia197@gmail. The settlement of a prototype shallow footing 1 m square under the same intensity of loading is 15 mm between 15 mm and 25 mm 25 mm greater than 25 mm Ans:b 148. Some questions come up time and time again — usually about you. the size of square bearing plate should be less than 300 mm between 300 mm and 750 mm between 750 mm and 1 m greater than 1 m Ans:b 146.blogspot. Select the incorrect statement. 20/11/2016 13:51 . mini 14 July 2016 at 01:53 quick sand is not a type of sand it is a flow condition in cohesionless soil Reply Unknown 14 July 2016 at 20:37 Quick sand is a condition in which a cohesion less soil loses all its strength because of upward flow of water.I. 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