e. geo

Question 1. The active earth pressure of a soil is defined as the lateral pressure exerted by soil?

A. when it is at rest

B. when the retaining wall has no movement relative to the back fill

C. when the retaining wall tends to move away from the back fill

D. when the retaining wall moves into the soil

c

Question 2. The compression index of the soil?

A. increases with the increase in liquid limit

B. decreases with the increase in liquid limit

C. increases with the decrease in plastic limit

D. decreases with the increase in plastic limit

a

Question 3. A flow line in seepage through a soil medium is defined as the?

A. path of particles of water through a saturated soil mass

B. line connecting points of equal head of water

C. flow of movement of fine particles of soil

D. direction of the flow particle

a

Question 4. The activity of clay is defined as the ratio of?

A. liquid limit to plastic limit

B. liquidity index to plasticity index

C. plasticity index to clay fraction

D. plasticity index to shrinkage index

c

Question 5. A sample of clay and a sample of sand have the same specific gravity and void ratio. Their permeabilities will differ because?

A. their porosities will be different

B. their densities will be different

C. their degrees of saturation will be different

D. the size ranges of their voids will be different

d

Question 6. The effective stress on the soil is due to the?

A. external load acting on the soil

B. weight of the soil particles

C. weight of water present in soil pores

D. both (a) and (b)

d

Question 7. The bearing capacity factors Nc, Nq, and Ny are functions of?

A. cohesion of the soil

B. Friction angle

C. internal friction angle

D. both (a) and (b)

c

Question 8. The ratio of the volume of voids to the total volume of soil mass is called?

A. water content ratio

B. porosity

C. void ratio

D. degree of saturation

b

Question 9. Toughness index is the ratio of?

A. flow index and plasticity index

B. plasticity index and flow index

C. liquidity index and flow index

D. flow index and liquidity index

b

Question 10. The liquid limit minus plastic limit is termed as?

A. flow index

B. plasticity index

C. shrinkage index

D. liquidity index

b

Question 11. The useful method of finding the shear strength of very plastic cohesive soils is by means of?

A. cone test

B. penetration test

C. vane shear test

D. torsional shear test

c

Question 12. The soil transported by wind is called?

A. aeolian soil

B. marine soil

C. alluvial soil

D. lacustrine soil

a

Question 13. According to Stoke's law, the velocity at which grains settle out of suspension, all other factors being equal, is dependent upon?

A. shape of the grain
B. weight of the grain
C. size of the grain
D. all of these

d

Question 14. The soil transported by running water is called?

A. aeolian soil
B. marine soil
C. alluvial soil
D. lacustrine soil

c

Question 15. The high density of the soil placed in a fill is desired in order to?

A. increase its shear resistance
B. reduce future settlements
C. reduce percolation through the fill
D. all of these

d

Question 16. If the pores of a soil are completely full of air only, the soil is said to be?

A. wet soil
B. dry soil
C. fully saturated soil
D. partially saturated soil

b

Question 17. The property of a soil which is of great importance in finding settlement of structures, is?

A. permeability

B. shear strength

C. consolidation

D. compressibility

c

Question 18. The bearing capacity of a soil depends upon?

A. grain size of the soil

B. size of the footing

C. shape of the footing

D. all of these

d

Question 19. The flow index in soils indicates the?

A. ratio of liquid limit to plastic limit

B. variation of liquid limit

C. variation of plastic limit

D. shear strength variation with water content

d

Question 20. Quick sand is a?

A. moist sand containing small particles

B. condition which occurs in coarse sand

C. condition in which a cohesionless soil loses all its strength because of upward flow of water

D. none of the above

c

Question 21. The coefficient of consolidation is used for evaluating?

A. stress in the soil

B. total settlement

C. over consolidation ratio

D. time rate of settlement

d

Question 22. A fine grained soil?

A. has low permeability

B. has high compressibility

C. may or may not be plastic

D. all of these

d

Question 23. The critical gradient of the seepage of water?

A. directly proportional to void ratio

B. increases with the decrease in void ratio

C. inversely proportional to specific gravity

D. increases with the decrease in specific gravity of soil

b

Question 24. Lacustrine soils are those soils which are?

A. deposited in sea water

B. deposited at the bottom of the lakes

C. transported by running water

D. transported by wind

b

Question 25. Residual soils are?

A. sands

B. silts

C. clays

D. all of these

d

Question 26. 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

c

Question 27. The moisture contents of a clayey soil is gradually decreased from a large value. The correct sequence of the occurrence of the limits will be?

A. liquid limit, plastic limit and shrinkage limit

B. plastic limit, liquid limit and shrinkage limit

C. shrinkage limit, plastic limit and liquid limit

D. plastic limit, shrinkage limit and liquid limit

a

Question 28. The vertical deformation of soil mass consists of?

A. deformation of soil grains

B. compression of pore fluid

C. reduction of pore space

D. all of these

d

Question 29. Which of the following gives the correct decreasing order of the densities of a soil sample?

A. Saturated, submerged, wet, dry

B. Saturated, wet, submerged, dry

C. Saturated, wet, dry, submerged

D. Wet, saturated, submerged, dry

c

Question 30. The equipotential line in a seepage through a soil medium is defined as the?

A. path of particles of water through a saturated soil mass

B. line connecting points of equal head of water

C. flow of movement of fine particles of soil

D. direction of the flow particle

b

Question 31. The ratio of the unconfined compressive strength of undisturbed soil to the unconfined compressive strength of soil in a remoulded state, is called?

A. sensitivity

B. thixotropy

C. relative density

D. bulk density

a

Question 32. The hydraulic gradient provided at the downstream side of a hydraulic structure such as a dam is called?

A. downstream gradient

B. tail water gradient

C. exit gradient

D. any one of these

d

Question 33. For engineering purposes, soil is defined as?

A. the loose mantle at the surface of the earth which favours the growth of plant

B. a natural aggregate of mineral grains, loose or moderately cohesive, inorganic or organic in nature

C. a disintegrated rock

D. all of the above

b

Question 34. The lateral earth pressure exerted by the soil when the retaining wall moves into the soil, is known as?

A. earth pressure at rest

B. active earth pressure

C. passive earth pressure

D. total earth pressure

c

Question 35. The strength of a soil is usually identified by?

A. direct tensile stress

B. direct compressive stress

C. ultimate shear stress

D. effective stress

c

Question 36. The frictional resistance offered by sand is?

A. sliding friction

B. rolling friction

C. resistance due to interlocking

D. all of these

d

Question 37. Which of the following statement is correct?

A. The flow lines are perpendicular to equipotential lines

B. No two flow lines or equipotential lines start from the same point

C. No two flow lines cross each other

D. all of the above

d

Question 38. The average velocity of flow that will take place through the total cross-sectional area of soil under unit hydraulic gradient is called?

A. uniformity coefficient

B. Darcy's coefficient

C. coefficient of permeability

D. terminal velocity

c

Question 39. The shear strength of a soil?

A. is proportional to the cohesion of the soil

B. is proportional to the tangent of the angle of internal friction

C. increases with the increase in normal stress of soil

D. all of the above

d

Question 40. Chemical weathering of soil is caused due to?

A. oxidation

B. hydration

C. carbonation and leaching

D. all of these

d

Question 41. The maximum water content of a saturated soil at which a reduction in its moisture does not cause a decrease in volume of the soil, is called?

A. liquid limit

B. plastic limit

C. elastic limit

D. shrinkage limit

d

Question 42. The ratio of settlement at any time (t) to the final settlement is known as?

A. compression index

B. coefficient of consolidation

C. degree of consolidation

D. none of these

c

Question 43. Soils are derived from?

A. igneous rocks

B. sedimentary rocks

C. metamorphic rocks

D. any one of these

d

Question 44. Which of the following is highly permeable?

A. Gravel

B. Sand mixture

C. Coarse sand

D. Clay

a

Question 45. The contact pressure of flexible footing on non-cohesive soils is?

A. more in the centre than at the edges

B. less in the centre than at the edges

C. uniform throughout

D. none of these

a

Question 46. The quantity of seepage of water in a soil medium is?

A. directly proportional to the head of water at upstream

B. inversely proportional to the head of water at upstream

C. directly proportional to the coefficient of permeability

D. inversely proportional to the coefficient of permeability

c

Question 47. A soil having uniformity coefficient more than 6, is called?

A. uniform soil

B. poor soil

C. well graded soil

D. coarse soil

c

Question 48. The rate of expulsion of pore fluid is directly dependent on the?

A. shear strength

B. void ratio

C. permeability

D. none

c

Question 49. The standard temperature at which the hydrometer is calibrated is?

A. 10°C

B. 15°C

C. 20°C

D. 27°C

d

Question 50. Mechanical weathering of soils is caused by?

A. periodical temperature changes

B. splitting action of flowing water

C. splitting action of ice

D. all of these

d

Question 51. Mechanical weathering of soils is caused by?

A. periodical temperature changes

B. splitting action of flowing water

C. splitting action of ice

D. all of these

d

Question 52. The contact pressure of rigid footing on cohesive soils is?

A. more in the centre than at the edges

B. less in the centre than at the edges

C. uniform throughout

D. none of these

b

Question 53. The exit gradient of the seepage of water through a soil medium is the?

A. slope of the flow line

B. slope of the equi-potential

C. ratio of total head to the length of seepage

D. ratio of the head loss to the length of seepage

d

Question 54. The unit weight of a soil at zero air voids depends upon?

A. unit weight of water

B. water content

C. specific gravity

D. all of these

d

Question 55. The angle of internal friction?

A. varies with the density of sand

B. depends upon the amount of interloading

C. depends upon the particle shape and roughness

D. all of the above

d

Question 56. When the particles of soil are oriented 'edge to edge' or 'edge to face' with respect to another, the soil is said to have?

A. single grained structure

B. double grained structure

C. honey-combed structure

D. flocculent structure

d

Question 57. When the plastic limit is equal to or greater than the liquid limit, then the plasticity index is?

A. negative

B. zero

C. one

D. more than one

b

Question 58. A line showing the dry density as a function of water content for soil containing no air voids, is called?

A. saturation line

B. zero air void line

C. liquid limit line

D. none of these

a

Question 59. Glacial soils are those soils which are?

A. deposited in sea water

B. deposited at the bottom of the lakes

C. transported by running water

D. none of these

d

Question 60. The flow net in the seepage of water through a soil medium is a network of?

A. flow lines

B. equipotential lines

C. flow lines and equipotential lines

D. water particles and their movement

c

Question 61. The frictional resistance of clayey soil is ____ sandy soil?

A. less than

B. more than

C. same as

D. None of these

a

Question 62. The coefficient of passive earth pressure ____ with the increase of angle of shearing resistance?

A. increases

B. decreases

C. does not change

D. Any of the above

a

Question 63. The water content in a soil at which just shear strength develops is called?

A. liquid limit

B. shrinkage limit

C. elastic limit

D. plastic limit

a

Question 64. Which of the following is practically impermeable?

A. Sand mixture

B. Gravel

C. Coarse sand

D. Clay

d

Question 65. The density of sand at which there is no change in volume under the influence of shearing strain produced due to shear stress, is called?

A. relative density

B. apparent density

C. critical density

D. any of these

c

Question 66. By an agriculturist, soil is defined as?

A. the loose mantle at the surface of the earth which favours the growth of plant

B. a natural aggregate of mineral grains, loose or moderately cohesive, inorganic or organic in nature

C. a disintegrated rock

D. none of the above

a

Question 67. Black cotton soil?

A. is inorganic in nature

B. contains large percentage of clay mineral

C. exhibits high compressibility

D. all of these

d

Question 68. The earth pressure at rest is calculated by using?

A. Euler's theory

B. Rankine's theory

C. bending theory

D. theory of elasticity

d

Question 69. When water content in a soil is reduced beyond the shrinkage limit, the soil will be in?

A. solid state

B. liquid state

C. semi-solid state

D. plastic state

a

Question 70. The soil transported by glaciers either by ice or water is called?

A. talus

B. loess

C. drift

D. none of these

c

Question 71. A soil is in a semi-solid state, if the consistency index is?

A. zero

B. one

C. more than unity

D. none of these

c

Question 72. Cohesionless soils are?

A. sands

B. clays

C. silts

D. silts and clays

a

Question 73. The clays which exhibit high activity?

A. contain montmorillonite

B. have high plasticity index

C. both (a) and (b)

D. none of these

c

Question 74. If a shear stress is applied on a dense sand, the shear strain caused will the volume of sand?

A. increase

B. decrease

C. not effect

D. none

a

Question 75. The specific gravity of a soil is the ratio of unit weight of soil solids to that of water at a temperature of?

A. 4°C

B. 17°C

C. 27°C

D. 36°C

d

Question 76. When applying Darcy's law to soils, it is assumed that the?

A. soil is incompressible

B. soil is homogeneous and isotropic

C. flow conditions are laminar

D. all of these

d

Question 77. The unit bearing capacity of footing in sand is?

A. decreases with depth of footing

B. decreases with width of footing

C. increases as well as decrease with depth of footing

D. increases with width of footing angle of internal friction

d

Question 78. The ratio of the volume of air voids to the volume of voids, is called?

A. void ratio

B. air content

C. air void ratio

D. porosity

b

Question 79. When the water table is close to the ground surface, the bearing capacity of a soil is reduced to?

A. 1/4

B. 1/2

C. 2/3

D. 3/4

b

Question 80. The void ratio of a soil is defined as the ratio of the?

A. weight of water to the weight of solids

B. volume of water to the volume of voids in the soil mass

C. total volume of voids to the volume of soil solids

D. total volume of voids to the total volume of soil

c

Question 81. The earth pressure at rest is defined as the lateral pressure exerted by soil?

A. when it is at rest

B. when the retaining wall has no movement relative to the back fill

C. when the retaining wall tends to move away from the back fill

D. when the retaining wall moves into the soil

b

Question 82. Bulk density of a soil is defined as the ratio of?

A. total mass of soil to the total volume of soil

B. weight of water to the weight of solids

C. unit weight of solids to the unit weight of water

D. weight of solid grains to the volume of solids

a

Question 83. The permeability of a given soil is?

A. directly proportional to the average grain size

B. inversely proportional to the average grain size

C. directly proportional to the square of the average grain size

D. inversely proportional to the square of the average grain size

c

Question 84. The change in volume of soil per unit of initial volume due to a given unit increase in pressure is called?

A. coefficient of permeability

B. coefficient of compressibility

C. coefficient of volume compressibility

D. coefficient of curvature

c

Question 85. The seepage force in soils is?

A. proportional to head loss

B. proportional to exit gradient

C. perpendicular to the equipotential lines

D. all of these

d

Question 86. The decrease in voids ratio per unit increase of pressure is called?

A. coefficient of permeability

B. coefficient of compressibility

C. coefficient of volume compressibility

D. coefficient of curvature

b

Question 87. The expansion of soil due to shear at a constant value of press is called?

A. apparent cohesion

B. true cohesion

C. dilatancy

D. consistency

c

Question 88. The particle size range is measured by?

A. effective size

B. curvature coefficient

C. uniformity coefficient

D. none of these

c

Question 89. The lateral earth pressure is?

A. directly proportional to the depth of soil

B. inversely proportional to the depth of soil

C. directly proportional to the square of the depth

D. inversely proportional to the square of the depth of soil

c

Question 90. Gravel and sand is a?

A. cohesive coarse grained soil

B. cohesive fine grained soil

C. non-cohesive coarse grained soil

D. non-cohesive fine grained soil

c

Question 91. The critical height in the stability of soil is the?

A. minimum height at which it is possible for the sloped bank of soil to be stable

B. maximum height at which it is possible for the sloped bank of soil to be stable

C. minimum vertical height of the soil in an open excavation

D. maximum vertical height of the soil is an open excavation

b

Question 92. The water content ratio of a soil is defined as the ratio of the?

A. weight of water to the weight of solids

B. volume of water to the volume of voids in the soil mass

C. total volume of voids to the volume of soil solids

D. total volume of voids to the total volume of soil

a

Question 93. The maximum unit pressure that a soil can withstand without rupture in shear or without excessive settlement of the structure, is called?

A. allowable bearing pressure

B. safe bearing capacity

C. ultimate bearing capacity

D. bearing capacity

b

Question 94. Consolidation and compressibility of soil?

A. is a measure of the ability of soil to allow the water to pass through its pores

B. is a measure of the ability of soil to bear stresses without failure

C. deals with changes in volume of pores in a soil under load

D. any one of the above

c

Question 95. The plastic limit of a soil is defined as the?

A. limit of water that makes the soil to flow

B. amount of water content which makes the soil to go into the liquid state

C. amount of water content which makes the soil to go into the solid state from the liquid state

D. minimum amount of water content which makes the soil to be rolled into 3mm diameter threads

d

Question 96. Flow lines and equipotential lines are?

A. intersecting lines at 60° to each other

B. parallel to each other

C. intersecting lines at 90° to each other

D. intersecting lines at 45° to each other

c

Question 97. The ratio of the difference between the voids ratio in its loosest state and its natural void ratio to the difference between the void ratio is the loosest and densest state, is called?

A. density index

B. relative density

C. degree of density

D. any one of these

d

Question 98. The liquid limit exists in?

A. sandy soils

B. gravel soils

C. silty soils

D. clayey soils

c

Question 99. The coefficient of volume compressibility is?

A. directly proportional to the void ratio

B. inversely proportional to the void ratio

C. directly proportional to the coefficient of compressibility

D. inversely proportional to the coefficient of compressibility

c

Question 100. The shrinkage index is equal to?

A. liquid limit + plastic limit

B. plastic limit - liquid limit

C. liquid limit - shrinkage limit

D. shrinkage limit - liquid limit

c