67) Which one of the following clays behaves like a dense sand

over-consolidated ciay with a high over-consolidation ratio

over-consolidated clay with a low over-consolidation ratio

normally consolidated clay

under-consolidated clay

Answer is:

over-consolidated ciay with a high over-consolidation ratio

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68) Coefficient of consolidation of a soil is affected by

compressibility

permeability

both compressibility and permeability

none of the above

Answer is:

both compressibility and permeability

69) Degree of consolidation is

directly proportional to time and inversely proportional to drainage path

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

directly proportional to drainage path and inversely proportional to time

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

Answer is:

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

70) Time factor for a clay layer is

a dimensional parameter

directly proportional to permeability of soil

inversely proportional to drainage path

independent of thickness of clay layer

Answer is:

directly proportional to permeability of soil

71) 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

6 months

12 months

24 months

Answer is:

3 months

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67) Which one of the following clays behaves like a dense sand

over-consolidated ciay with a high over-consolidation ratio

Geotechnical Engineering MCQ with Answers

Related Geotechnical Engineering MCQ with Answers

68) Coefficient of consolidation of a soil is affected by

both compressibility and permeability

69) Degree of consolidation is

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

70) Time factor for a clay layer is

directly proportional to permeability of soil

71) 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

Geotechnical Engineering MCQ with Answers