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

3 months

12 months

24 months

6 months

3 months

12 months

24 months

6 months

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Soil Mechanics and Foundation
For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as

dry of OMC and dry of OMC where OMC is optimum moisture content

wet of OMC and dry of OMC

dry of OMC and wet of OMC

wet of OMC and wet of OMC

dry of OMC and dry of OMC where OMC is optimum moisture content

wet of OMC and dry of OMC

dry of OMC and wet of OMC

wet of OMC and wet of OMC

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Soil Mechanics and Foundation
The ratio of volume of voids to the total volume of soil mass is called

air content

percentage air voids

voids ratio

porosity

air content

percentage air voids

voids ratio

porosity

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Soil Mechanics and Foundation
A pycnometer is used to determine

specific gravity and dry density

voids ratio and dry density

water content and voids ratio

water content and specific gravity

specific gravity and dry density

voids ratio and dry density

water content and voids ratio

water content and specific gravity

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Soil Mechanics and Foundation
The shear strength of a soil

Decreases with increase in normal stress

Is directly proportional to the angle of internal friction of the soil

Is inversely proportional to the angle of internal friction of the soil

Decreases with decrease in normal stress

Decreases with increase in normal stress

Is directly proportional to the angle of internal friction of the soil

Is inversely proportional to the angle of internal friction of the soil

Decreases with decrease in normal stress

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Soil Mechanics and Foundation
Select the correct range of density index,1D

0 ≤ 1D ≤ 1

1D > 0

ID > 0

0 < 1D < 1

0 ≤ 1D ≤ 1

1D > 0

ID > 0

0 < 1D < 1

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Soil Mechanics and Foundation

Soil Mechanics and Foundation For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as

Soil Mechanics and Foundation The ratio of volume of voids to the total volume of soil mass is called

Soil Mechanics and Foundation A pycnometer is used to determine

Soil Mechanics and Foundation The shear strength of a soil

Soil Mechanics and Foundation Select the correct range of density index,1D

Soil Mechanics and Foundation
For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as

Soil Mechanics and Foundation
The ratio of volume of voids to the total volume of soil mass is called

Soil Mechanics and Foundation
A pycnometer is used to determine

Soil Mechanics and Foundation
The shear strength of a soil

Soil Mechanics and Foundation
Select the correct range of density index,1D