A partially saturated sample of soil has a unit weight of 2.0 g/cm3 and specific

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Question
A partially saturated sample of soil has a unit weight of 2.0 g/cm3 and specific gravity of soil particles is 2.6. If the moisture content in the soil is 20%, the degree of saturation is
Options
A. 20%
B. 77%
C. 92%
D. none of these.

Correct Answer

92%

Soil Mechanics and Foundation Engineering problems

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2. Stoke's law sates that the velocity at which a grain settles out of suspension, the other factors remaining constant, is dependent upon
Options
A. shape of grain
B. weight of grain
C. size of grain
D. shape and size of grain
E. shape, size and weight of grain.

4. Which one of the following statements is true?
Options
A. Clays are more porous than sands
B. Pressure of organic matter in a soil decreases the bearing capacity of the soil
C. Aluminous cement is used for foundations in soils with chemical deposits
D. All the above.

6. Pick up the correct statement from the following:
Options
A. The rise of the ground surface due to frost action is called frost heave.
B. The freezing of water is accompained by a volume increase of 9%.
C. Below freezing point, higher soil suction develops.
D. The magnitude of frost heave decreases as the degree of saturation of soil decreases
E. All the above.

7. The maximum value of effective stress in the past divided by the present value, is defined as over consolidation ratio (OCR). The O.C.R. of an over consolidated clay is
Options
A. less than 1
B. 1
C. more than 1
D. None of these.

9. A square hole is punched out of a circular lamina, the diagonal of the square being the radius of the circle. If r is the radius of the circle, the C.G. of the remainder from the corner of the square on the circumference will be
Options
A.
B.
C.
D.

10. If a body moves in such a way that its velocity increases by equal amount in equal intervals of time, it is said to be moving with
Options
A. a uniform retardation
B. a uniform acceleration
C. a variable acceleration
D. a variable retardation
E. none of these.

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