Clay layer A with single drainage and coefficient of consolidation Cv takes 6 months to achieve 50% consolidation. 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

Soil Mechanics and Foundation
Clay layer A with single drainage and coefficient of consolidation Cv takes 6 months to achieve 50% consolidation. 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

24 months

6 months

3 months

12 months

24 months

6 months

3 months

12 months

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Soil Mechanics and Foundation
Terzaghi’s bearing capacity factors Nc, Nq and Nr are functions of

angle of internal friction only

both cohesion and angle of internal friction

cohesion only

both cohesion and angle of internal friction

angle of internal friction only

both cohesion and angle of internal friction

cohesion only

both cohesion and angle of internal friction

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Soil Mechanics and Foundation
Quick sand is a

type of sand

flow condition occurring in both cohesive and cohesionless soils

flow condition occurring in cohesive soils

flow condition occurring in cohesionless soils

type of sand

flow condition occurring in both cohesive and cohesionless soils

flow condition occurring in cohesive soils

flow condition occurring in cohesionless soils

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Soil Mechanics and Foundation
In hydrometer analysis for a soil mass

both meniscus correction and dispersing agent correction are subtractive

meniscus correction is additive and dispersing agent correction is subtractive

both meniscus correction and dispersing agent correction are additive

meniscus correction is subtractive and dispersing agent correction is additive

both meniscus correction and dispersing agent correction are subtractive

meniscus correction is additive and dispersing agent correction is subtractive

both meniscus correction and dispersing agent correction are additive

meniscus correction is subtractive and dispersing agent correction is additive

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Soil Mechanics and Foundation
A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, 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°

17°

12°

10°

7°

17°

12°

10°

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Soil Mechanics and Foundation
The hydrometer method of sedimentation analysis differs from the pipette analysis mainly in

the principle of test

All of these

the method of taking observations

the method of preparation of soil suspension

the principle of test

All of these

the method of taking observations

the method of preparation of soil suspension

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Soil Mechanics and Foundation

Soil Mechanics and Foundation Terzaghi’s bearing capacity factors Nc, Nq and Nr are functions of

Soil Mechanics and Foundation Quick sand is a

Soil Mechanics and Foundation In hydrometer analysis for a soil mass

Soil Mechanics and Foundation The hydrometer method of sedimentation analysis differs from the pipette analysis mainly in

Soil Mechanics and Foundation
Terzaghi’s bearing capacity factors Nc, Nq and Nr are functions of

Soil Mechanics and Foundation
Quick sand is a

Soil Mechanics and Foundation
In hydrometer analysis for a soil mass

Soil Mechanics and Foundation
The hydrometer method of sedimentation analysis differs from the pipette analysis mainly in