Civil Engineering :: Soil Mechanics and Foundation
- Terzaghi’s theory of one dimensional consolidation assumes
- Pick up the correct statement from the following:
- Pick up the correct statement from the following:
- Coefficient of compressibility is
- Coefficient of consolidation for clays normally
- Select the incorrect statement.
- Select the correct statement.
- Select the incorrect statement.
- Select the correct statement.
- Select the incorrect statement.
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A.
The dry density reduces by addition of water after attaining optimum moisture content |
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B.
The line joining the peak of three moisture content graphs obtained by using three compactive energies, is called line of optimus |
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C.
Well graded coarse grained soils can be compacted to a very high density as compared to fine grained soils |
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D.
All the above |
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A.
The object of classifying soils is to arrange them into groups according to their properties and behaviour |
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B.
A soil classification system is meant to provide an accepted and systematic method of describing the various types of soils eliminating personal factors |
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C.
The first category of soil classification is based on grain size of the soil |
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D.
All the above |
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A.
constant for any type of soil |
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B.
different for different types of soils and also different for a soil under different states of consolidation |
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C.
different for different types of soils but same for a soil under different states of consolidation |
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D.
independent of type of soil but depends on the stress history of soil |
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A.
In a direct shear box test, the plane of shear failure is predetermined |
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B.
Better control is achieved on the drainage of the soil in a tri-axial compression test |
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C.
Stress distribution on the failure plane in the case of tri-axial compression test is uniform |
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D.
Unconfined compression test can be carried out on all types of soils |
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A.
A uniform soil has more strength and stability than a non-uniform soil. |
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B.
A uniform soil has less strength and stability than a non-uniform soil. |
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C.
Uniformity coefficient does not affect strength and stability. |
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D.
Uniformity coefficient of a poorly graded soil is more than that of a well graded soil. |
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A.
coefficient of compressibility of an over-consolidated clay is less than that of a normally consolidated clay |
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B.
coefficient of compressibility of an over-consolidated clay is greater than that of a normally consolidated clay |
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C.
coefficient of compressibility is cons-tant for any clay |
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D.
none of the above |
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A.
Effective cohesion of a soil can never have a negative value. |
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B.
Effective angle of internal friction for coarse grained soils is rarely below 30° |
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C.
Effective angle of internal friction for a soil increases as state of compact-ness increases. |
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D.
Effective angle of internal friction is a complicated function of mineralogy and clay size content. |