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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
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Show Answer Report Discussion in forumAnswer : 2) Density index
Solution : Density index can be used to estimate the angle of friction of a sandy soil.
discussion
Answer : 2) Density index
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( 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.
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Show Answer Report Discussion in forumAnswer : 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.
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( 3 ) Transporting and redepositing soils, is done by
- 1) water
- 2) glacier
- 3) gravity
- 4) wind
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Show Answer Report Discussion in forumAnswer : 5) all the above.
Solution : Transporting and redepositing soils, is done by water, glacier, gravity and wind.
discussion
Answer : 5) all the above.
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( 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.
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Show Answer Report Discussion in forumAnswer : 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.
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( 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.
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Show Answer Report Discussion in forumAnswer : 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.
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( 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.
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Show Answer Report Discussion in forumAnswer : 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
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( 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
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Show Answer Report Discussion in forumAnswer : 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
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( 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
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Show Answer Report Discussion in forumAnswer : 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
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( 9 ) Black cotton soil
- 1) is inorganic in nature
- 2) contains large percentage of clay mineral
- 3) exhibits high compressibility
- 4) all of these
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Show Answer Report Discussion in forumAnswer : 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
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( 10 ) A fine grained soil
- 1) has low permeability
- 2) has high compressibility
- 3) may or may not be plastic
- 4) all of these
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Show Answer Report Discussion in forumAnswer : 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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