The ratio of the volume of voids to the volume of soil solids in a given soil ma

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Question
The ratio of the volume of voids to the volume of soil solids in a given soil mass, is known
Options
A. porosity
B. specific gravity
C. void ratio
D. water content.

Correct Answer

void ratio

Soil Mechanics and Foundation Engineering problems

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2. A flow line makes angles ?₁ and ?₂ with the normal to the interface of the soils having permeabilities k₁, k₂ before and after deflection. According to the law of deflection of the flow lines at the interface of the dissimilar soils
Options
A.
B.
C.
D.

5. The ratio of the weight of given volume of soil solids to the weight of an equal volume of distilled water at the given temperature, is known
Options
A. porosity
B. specific gravity
C. void ratio
D. water content.

6. The liquidity index is defined as a ratio expressed as percentage of
Options
A. plastic limit minus the natural water content, to its plasticity index
B. natural water content minus its plastic limit to its plasticity index
C. natural water content plus its plastic limit to its plasticity index
D. liquid limit minus the natural water content to the plasticity index.

7. The active earth pressure of a soil is proportional to (where ? is the angle of friction of the soil)
Options
A. tan (45� - ?)
B. tan² (45� + ?/2)
C. tan² (45� - ?/2)
D. tan (45� + ?)

8. The weight of a pycnometer containing 400 g sand and water full to the top is 2150 g. The weight of pycnometer full of clean water is 1950 g. If specific gravity of the soil is 2.5, the water content is
Options
A. 5%
B. 10%
C. 15%
D. 20%

9. The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known
Options
A. liquid limit
B. plastic limit
C. shrinkage limit
D. permeability limit.

10. According to Coulomb's wedge theory, the active earth pressure slides the wedge
Options
A. down and outwards on a slip surface
B. up and inwards on a slip surface
C. horizontal upward and parallel to base
D. horizontal inward and parallel to base.

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