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
✅ The correct answer is option C.
Soil Mechanics and Foundation Engineering MCQs
92. The clay mineral with the largest swelling and shrinkage characteristics is_______________?
A. kaolinite
B. illite
C. montmorillonite
D. none of the above
✅ The correct answer is option C.
93. A 300 mm square bearing plate settles by 15 mm in a plate load test on a cohesive soil when the intensity of loading is 0.2 N/mm2. The settlement of a prototype shallow footing 1 m square under the same intensity of loading is___________________?
A. 15 mm
B. 30 mm
C. 50 mm
D. 167 mm
✅ The correct answer is option C.
94. For proper field control, which of the following methods is best suited for quick determination of water content of a soil mass ?
A. oven drying method
B. sand bath method
C. alcohol method
D. calcium carbide method
✅ The correct answer is option D.
95. 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.
96. 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.
97. 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.
98. 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.
99. 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.
100. 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.