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

6 months

12 months

3 months

24 months

6 months

12 months

3 months

24 months

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Soil Mechanics and Foundation
During the first stage of triaxial test when the cell pressure is increased from 0.10 N/mm² to 0.26 N/mm², the pore water pressure increases from 0.07 N/mm² to 0.15 “N/mm². Skempton’s pore pressure parameter B is

-2

-0.5

2

0.5

-2

-0.5

2

0.5

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Soil Mechanics and Foundation
Residual soils are formed by

wind

water

None of these

glaciers

wind

water

None of these

glaciers

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Soil Mechanics and Foundation
Due to a rise in temperature, the viscosity and the unit weight of the percolating fluid are reduced to 60% and 90% respectively. If other things remain constant, the coefficient of permeability

increases by 33.3%

increases by 25%

decreases by 33.3%

increases by 50%

increases by 33.3%

increases by 25%

decreases by 33.3%

increases by 50%

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Soil Mechanics and Foundation
Unconfmed compressive strength test is

undrained test

drained test

consolidated drained test

consolidated undrained test

undrained test

drained test

consolidated drained test

consolidated undrained test

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Soil Mechanics and Foundation
The total and effective stresses at a depth of 5 m below the top level of water in a swimming pool are respectively

1.0 kg/cm² and 0.5 kg/cm²

0.5 kg/cm² and 0.5 kg/cm²

0.5 kg/cm² and zero

zero and zero

1.0 kg/cm² and 0.5 kg/cm²

0.5 kg/cm² and 0.5 kg/cm²

0.5 kg/cm² and zero

zero and zero

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Soil Mechanics and Foundation

Soil Mechanics and Foundation During the first stage of triaxial test when the cell pressure is increased from 0.10 N/mm² to 0.26 N/mm², the pore water pressure increases from 0.07 N/mm² to 0.15 “N/mm². Skempton’s pore pressure parameter B is

Soil Mechanics and Foundation Residual soils are formed by

Soil Mechanics and Foundation Due to a rise in temperature, the viscosity and the unit weight of the percolating fluid are reduced to 60% and 90% respectively. If other things remain constant, the coefficient of permeability

Soil Mechanics and Foundation Unconfmed compressive strength test is

Soil Mechanics and Foundation The total and effective stresses at a depth of 5 m below the top level of water in a swimming pool are respectively

Soil Mechanics and Foundation
During the first stage of triaxial test when the cell pressure is increased from 0.10 N/mm² to 0.26 N/mm², the pore water pressure increases from 0.07 N/mm² to 0.15 “N/mm². Skempton’s pore pressure parameter B is

Soil Mechanics and Foundation
Residual soils are formed by

Soil Mechanics and Foundation
Due to a rise in temperature, the viscosity and the unit weight of the percolating fluid are reduced to 60% and 90% respectively. If other things remain constant, the coefficient of permeability

Soil Mechanics and Foundation
Unconfmed compressive strength test is

Soil Mechanics and Foundation
The total and effective stresses at a depth of 5 m below the top level of water in a swimming pool are respectively