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.Management Sciences
Category: Soil Mechanics and Foundation Engineering
For a loose sand sample and a dense sand sample consolidated to the same effective stress_____________?
A. ultimate strength is same and also peak strength is same
B. ultimate strength is different but peak strength is same
C. ultimate strength is same but peak strength of dense sand is greater than that of loose sand
D. ultimate strength is same but peak
The clay mineral with the largest swelling and shrinkage characteristics is_______________?
A. kaolinite
B. illite
C. montmorillonite
D. none of the above
Stoke’s law is valid only if the size of particle is________________?
A. less than 0.0002 mm
B. greater than 0.2 mm
C. between 0.2 mm and 0.0002 mm
D. all of the above
Select the incorrect statement ?
Effective angle of shearing resistance
A. increases as the size of particles increases
B. increases as the soil gradation im-proves
C. is limited to a maximum value of 45°
D. is rarely more than 30° for fine grained soil
Rise of water table above the ground surface causes________________?
A. equal increase in pore water pressure and total stress
B. equal decrease in pore water pressure and total stress
C. increase in pore water pressure but decrease in total stress
D. decrease in pore water pressure but increase in total stress
The ultimate consolidation settlement of a structure resting on a soil_______________?
A. decreases with the increase in the initial voids ratio
B. decreases with the decrease in the plastic limit
C. increases with the increase in the initial voids ratio
D. increases with the decrease in the porosity of the soil
A pycnometer is used to determine_______________?
A. water content and voids ratio
B. specific gravity and dry density
C. water content and specific gravity
D. voids ratio and dry density
Select the correct statement?
A. coefficient of compressibility of an over-consolidated clay is less than that of a normally consolidated clay
B. coefficient of compressibility of an over-consolidated clay is greater than that of a normally consolidated clay
C. coefficient of compressibility is cons-tant for any clay
D. none of the above
If the volume of voids is equal to the volume of solids in a soil mass, then the values of porosity and voids ratio respectively are________________?
A. 1.0 and 0.0
B. 0.0 and 1.0
C. 0.5 and 1.0
D. 1.0 and 0.5
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