Civil EngineeringSoil Mechanics And Foundation MCQs
Practice Soil Mechanics And Foundation MCQs for competitive exams.
Soil Mechanics And Foundation MCQs
Practice questions from this topic.
If the plasticity index of a soil mass is zero, the soil is
- A. sand
- B. silt
- C. clay
- D. clayey silt
Correct Answer: A
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
Correct Answer: C
Relative density of a compacted dense sand is approximately equal to
- A. 0.4
- B. 0.6
- C. 0.95
- D. 1.20
Correct Answer: C
Effective stress on soil
- A. Increases voids ratio and decreases permeability
- B. Increases both voids ratio and permeability
- C. Decreases both voids ratio and permeability
- D. Decreases voids ratio and increases permeability
Correct Answer: C
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
Correct Answer: C
The shear strength of a soil
- A. Is directly proportional to the angle of internal friction of the soil
- B. Is inversely proportional to the angle of internal friction of the soil
- C. Decreases with increase in normal stress
- D. Decreases with decrease in normal stress
Correct Answer: A
Allowable bearing pressure for a foundation depends upon
- A. allowable settlement only
- B. ultimate bearing capacity of soil only
- C. both allowable settlement and ultimate bearing capacity
- D. none of above
Correct Answer: C
If the shearing stress is zero on two planes, then the angle between the two planes is
- A. 45°
- B. 90°
- C. 135°
- D. 225°
Correct Answer: B
If a cohesive soil specimen is subjected to a vertical compressive load, the inclination of the cracks to the horizontal is
- A. 90°
- B. 45°
- C. 22.5°
- D. 0°
Correct Answer: B
Which of the following types of soil is transported by gravitational forces ?
- A. loess
- B. talus
- C. drift
- D. dune sand
Correct Answer: B
The water content of soil, which represents the boundary between plastic state and liquid state, is known as
- A. liquid limit
- B. plastic limit
- C. shrinkage limit
- D. plasticity index
Correct Answer: A
Bishop’s method of stability analysis
- A. is more conservative
- B. neglects the effect of forces acting on the sides of the slices
- C. assumes the slip surface as an arc of a circle
- D. all of the above
Correct Answer: C