A. oven drying method
B. sand bath method
C. alcohol method
D. calcium carbide method
✅ The correct answer is option D.
Soil Mechanics and Foundation Engineering MCQs
The admixture of coarser particles like sand or silt to clay causes______________?
A. decrease in liquid limit and increase in plasticity index
B. decrease in liquid limit and no change in plasticity index
C. decrease in both liquid limit and plasticity index
D. increase in both liquid limit and plasticity index
✅ The correct answer is option 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
✅ The correct answer is option D.
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
✅ The correct answer is option C.
Water content of soil can______________?
A. never be greater than 100 %
B. take values only from 0 % to 100 %
C. be less than 0 %
D. be greater than 100 %
✅ The correct answer is option D.
Terzaghi’s general bearing capacity formula for a strip footing (C Nc + y D Nq + 0.5 Y NTB. gives______________?
A. safe bearing capacity
B. net safe bearing capacity
C. ultimate bearing capacity
D. net ultimate bearing capacity where C = unit cohesion
✅ The correct answer is option C.
Coarse grained soils are best compacted by a_______________?
A. drum roller
B. rubber tyred roller
C. sheep’s foot roller
D. vibratory roller
✅ The correct answer is option D.
Coefficient of consolidation of a soil is affected by_______________?
A. compressibility
B. permeability
C. both compressibility and permeability
D. none of the above
✅ The correct answer is option C.
Uniformity coefficient of a soil is__________________?
A. always less than 1
B. always equal to 1
C. equal to or less than 1
D. equal to or gi eater than 1
✅ The correct answer is option D.
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 correct answer is option C.