A. a dimensional parameter
B. directly proportional to permeability of soil
C. inversely proportional to drainage path
D. independent of thickness of clay layer
✅ The correct answer is option B.
Soil Mechanics and Foundation Engineering MCQs
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 correct answer is option A.
The ratio of volume of voids to the total volume of soil mass is called______________?
A. air content
B. porosity
C. percentage air voids
D. voids ratio
✅ The correct answer is option B.
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
✅ The correct answer is option A.
Terzaghi’s bearing capacity factors Nc, Nq and Nr are functions of______________?
A. cohesion only
B. angle of internal friction only
C. both cohesion and angle of internal friction
D. none of the above
✅ The correct answer is option B.
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
✅ The correct answer is option A.
A 600 mm square bearing plate settles by 15 mm in plate load test on a cohesionless soil under an intensity of loading of 0.2 N/ram2. The settlement of a prototype shallow footing 1 m square under the same intensity of loading is_______________?
A. 15 mm
B. between 15 mm and 25 mm
C. 25 mm
D. greater than 25 mm
✅ The correct answer is option B.
Unconfmed compressive strength test is________________?
A. undrained test
B. drained test
C. consolidated undrained test
D. consolidated drained test
✅ The correct answer is option A.
If the natural water content of soil mass lies between its liquid limit and plastic limit, the soil mass is said to be in______________?
A. liquid state
B. plastic state
C. semi-solid state
D. solid state
✅ The correct answer is option B.
If the material of the base of the Casagrande liquid limit device on which the cup containing soil paste drops is softer than the standard hard rubber, then______________?
A. the liquid limit of soil always increases
B. the liquid limit of soil always decreases
C. the liquid limit of soil may increase
D. the liquid limit of soil may decrease
✅ The correct answer is option A.