1. Shear strength of a soil is a unique function of__________________?
A. effective stress only
B. total stress only
C. both effective stress and total stress
D. none of the above
✅ The correct answer is option A.
Soil Mechanics and Foundation Engineering MCQs
2. Dispersed type of soil structure is an arrangement comprising particles having______________?
A. face to face or parallel orientation
B. edge to edge orientation
C. edge to face orientation
D. all of the above
✅ The correct answer is option A.
3. Quick sand is a________________?
A. type of sand
B. flow condition occurring in cohesive soils
C. flow condition occurring in cohesionless soils
D. flow condition occurring in both cohesive and cohesionless soils
✅ The correct answer is option A.
4. Which of the following methods is most accurate for the determination of the water content of soil ?
A. oven drying method
B. sand bath method
C. calcium carbide method
D. pycnometer method
✅ The correct answer is option A.
5. If the degree of saturation of a partially saturated soil is 60%, then air content of the soil is______________?
A. 40%
B. 60%
C. 80%
D. 100%
✅ The correct answer is option A.
6. 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
✅ The correct answer is option A.
7. At liquid limit, all soils possess________________?
A. same shear strength of small magnitude
B. same shear strength of large magnitude
C. different shear strengths of small magnitude
D. different shear strengths of large magnitude
✅ The correct answer is option A.
8. Valid range for n, the percentage voids, is______________?
A. 0
B. 0
D. n<0
✅ The correct answer is option A.
9. Coefficient of consolidation for clays normally_______________?
A. decreases with increase in liquid limit
B. increases with increase in liquid limit
C. first increases and then decreases with increase in liquid limit
D. remains constant at all liquid limits
✅ The correct answer is option A.
10. 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°
✅ The correct answer is option B.