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.Management Sciences
Category: Soil Mechanics and Foundation Engineering
In the triaxial compression test, the application of additional axial stress (i.e. deviator stress) on the soil specimen produces shear stress on__________________?
A. horizontal plane only
B. vertical plane only
C. both horizontal and vertical planes
D. all planes except horizontal and vertical planes
The major principal stress in an element of cohesionless soil within the backfill of a retaining wall is________________?
A. vertical if the soil is in an active state of plastic equilibrium
B. vertical if the soil is in a passive state of plastic equilibrium
C. inclined at 45° to the vertical plane
D. none of the above
Relative density of a compacted dense sand is approximately equal to_____________?
A. 0.4
B. 0.6
C. 0.95
D. 1.20
Unconfmed compressive strength test is________________?
A. undrained test
B. drained test
C. consolidated undrained test
D. consolidated drained test
In a deposit of normally consolidated clay_________________?
A. effective stress increases with depth but water content of soil and un-drained strength decrease with depth
B. effective stress and water content increase with depth but undrained strength decreases with depth
C. effective stress and undrained strength increase with depth but water content decreases with depth
D. effective stress, water content and undrained strength decrease with depth
Select the correct statement?
A. A uniform soil has more strength and stability than a non-uniform soil
B. A uniform soil has less strength and stability than a non-uniform soil
C. Uniformity coefficient does not affect strength and stability
D. Uniformity coefficient of a poorly graded soil is more than that of a well graded soil
Which of the following methods is best suited for determination of permeability of coarse-grained soils ?
A. constant head method
B. falling head method
C. both the above
D. none of the above
The average coefficient of permeability of natural deposits________________?
A. parallel to stratification is always greater than that perpendicular to stratification
B. parallel to stratification is always less than that perpendicular to stratification
C. is always same in both directions
D. parallel to stratification may or may not be greater than that perpendicular to stratification
In hydrometer analysis for a soil mass______________?
A. both meniscus correction and dispersing agent correction are additive
B. both meniscus correction and dispersing agent correction are subtractive
C. meniscus correction is additive and dispersing agent correction is subtractive
D. meniscus correction is subtractive and dispersing agent correction is additive
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