Foundation Engineering questions and answers Pdf

26. Precompression method is useful for compacting

A.Silts

B.Clay

C.Organic soils

D.all of the above

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D. all of the above

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27. Bituminous stabilisation is generlly used for stabilising

A.Sands

B.Silts

C.Clays

D.All of the above

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D. All of the above

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28. For a well-graded sand, the coefficient of curvature should be

A.More than 3

B.Between 1 and 3

C.Less than 1

D.None of the above

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B. Between 1 and 3

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29. Secondary consolidation is

A.Caused by hydrodynamic lag

B.Caused by triaxial stress

C.Caused by creep

D.Caused by sleep gradient

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C. Caused by creep

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30. Quick sand

A.Is pure silica sand

B.Is moist sand containing small percentage of clay

C.Is a condition in which cohesive properities of soil increase rapidly

D.Is a condition in which a cohesionless soil loses its strength because of upward flow of water

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D. Is a condition in which a cohesionless soil loses its strength because of upward flow of water

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