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    • ( 1 ) Which one of the following parameters can be used to estimate the angle of friction of a sandy soil?

    • 1) Particle size
    • 2) Density index
    • 3) Roughness of particle
    • 4) Particle size distribution
    • Discussion in forum
      Answer : 2) Density index
      Solution : Density index can be used to estimate the angle of friction of a sandy soil.








      discussion


      Answer : 2) Density index

    • ( 2 ) Buoyant unit weight equals the saturated density

    • 1) multiplied by unit weight of water
    • 2) divided by unit weight of water
    • 3) plus unit weight of water
    • 4) minus unit weight of water.
    • Discussion in forum
      Answer : 4) minus unit weight of water.
      Solution : Buoyant weight = unit weight of submerged - unit weight of water.








      discussion


      Answer : 4) minus unit weight of water.

    • ( 3 ) Transporting and redepositing soils, is done by

    • 1) water
    • 2) glacier
    • 3) gravity
    • 4) wind
    • Discussion in forum
      Answer : 5) all the above.
      Solution : Transporting and redepositing soils, is done by water, glacier, gravity and wind.








      discussion


      Answer : 5) all the above.

    • ( 4 ) Negative skin friction on piles

    • 1) is caused due to relative settlement of the soil
    • 2) is caused in soft clays
    • 3) decreases the pile capacity
    • 4) all of the above.
    • Discussion in forum
      Answer : 4) all of the above.
      Solution : Negative skin friction on piles is caused due to relative settlement of the soil soft clays and decreases the pile capacity








      discussion


      Answer : 4) all of the above.

    • ( 5 ) The shear resistance of a soil is con-tituted basically of the following component.

    • 1) The frictional resistance to translocation between the individual soil particles at their contact point
    • 2) To the structural relation to displacement of the soil because of the interlocking of the particles
    • 3) Cohesion and adhesion between the surfaces of the soil particles
    • 4) All the above.
    • Discussion in forum
      Answer : 4) All the above.
      Solution : The frictional resistance to translocation between the individual soil particles at their contact point.
      To the structural relation to displacement of the soil because of the interlocking of the particles.
      Cohesion and adhesion between the surfaces of the soil particles.








      discussion


      Answer : 4) All the above.

    • ( 6 ) The ratio of volume of air voids to the volume of total voids, is known as

    • 1) air content
    • 2) percentage air voids
    • 3) percentage voids
    • 4) porosity.
    • Discussion in forum
      Answer : 1) air content
      Solution : The ratio of volume of air voids to the volume of total voids, is known as air content








      discussion


      Answer : 1) air content

    • ( 7 ) The effect of cohesion on a soil is to

    • 1) reduce both active and passive earth pressure intensities
    • 2) increase both active and passive earth pressure intensities
    • 3) reduce active earth pressure intensity but to increase passive earth pressure intensity
    • 4) increase active earth pressure intensity but to reduce passive earth pressure intensity
    • Discussion in forum
      Answer : 3) reduce active earth pressure intensity but to increase passive earth pressure intensity
      Solution : The effect of cohesion on a soil is to reduce active earth pressure intensity but to increase passive earth pressure intensity








      discussion


      Answer : 3) reduce active earth pressure intensity but to increase passive earth pressure intensity

    • ( 8 ) The average velocity of flow that will take place through the total cross-sectional area of soil under unit hydraulic gradient is called

    • 1) uniformity coefficient
    • 2) Darcy's coefficient
    • 3) coefficient of permeability
    • 4) terminal velocity
    • Discussion in forum
      Answer : 3) coefficient of permeability
      Solution : The average velocity of flow that will take place through the total cross-sectional area of soil under unit hydraulic gradient is called coefficient of permeability








      discussion


      Answer : 3) coefficient of permeability

    • ( 9 ) Black cotton soil

    • 1) is inorganic in nature
    • 2) contains large percentage of clay mineral
    • 3) exhibits high compressibility
    • 4) all of these
    • Discussion in forum
      Answer : 4) all of these
      Solution : Black cotton soil is inorganic in nature contains large percentage of clay mineral and exhibits high compressibility.








      discussion


      Answer : 4) all of these

    • ( 10 ) A fine grained soil

    • 1) has low permeability
    • 2) has high compressibility
    • 3) may or may not be plastic
    • 4) all of these
    • Discussion in forum
      Answer : 4) all of these
      Solution : A fine grained soil has low permeability, high compressibility and may or may not be plastic.








      discussion


      Answer : 4) all of these





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