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

3 months

12 months

24 months

6 months

3 months

12 months

24 months

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Soil Mechanics and Foundation
If the degree of saturation of a partially saturated soil is 60%, then air content of the soil is

0.8

0.4

1

0.6

0.8

0.4

1

0.6

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Soil Mechanics and Foundation
Voids ratio of a soil mass can

never be greater than unity

take any value greater than zero

take values between 0 and 1 only

be zero

never be greater than unity

take any value greater than zero

take values between 0 and 1 only

be zero

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Soil Mechanics and Foundation
The slope of isochrone at any point at a given time indicates the rate of change of

pore water pressure with depth

pore water pressure with time

effective stress with depth

effective stress with time

pore water pressure with depth

pore water pressure with time

effective stress with depth

effective stress with time

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Soil Mechanics and Foundation
Degree of consolidation is

directly proportional to square of drainage path and inversely proportional to time

directly proportional to drainage path and inversely proportional to time

directly proportional to time and inversely proportional to square of drainage path

directly proportional to time and inversely proportional to drainage path

directly proportional to square of drainage path and inversely proportional to time

directly proportional to drainage path and inversely proportional to time

directly proportional to time and inversely proportional to square of drainage path

directly proportional to time and inversely proportional to drainage path

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

both cohesion and angle of internal friction

cohesion only

angle of internal friction only

both cohesion and angle of internal friction

cohesion only

angle of internal friction only

both cohesion and angle of internal friction

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Soil Mechanics and Foundation

Soil Mechanics and Foundation If the degree of saturation of a partially saturated soil is 60%, then air content of the soil is

Soil Mechanics and Foundation Voids ratio of a soil mass can

Soil Mechanics and Foundation The slope of isochrone at any point at a given time indicates the rate of change of

Soil Mechanics and Foundation Degree of consolidation is

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

Soil Mechanics and Foundation
If the degree of saturation of a partially saturated soil is 60%, then air content of the soil is

Soil Mechanics and Foundation
Voids ratio of a soil mass can

Soil Mechanics and Foundation
The slope of isochrone at any point at a given time indicates the rate of change of

Soil Mechanics and Foundation
Degree of consolidation is

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