101. 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.
Soil Mechanics and Foundation Engineering MCQs
102. 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.
103. 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.
104. The most suitable method for drainage of fine grained cohesive soils is________________?
A. well ppint system
B. vacuum method
C. deep well system
D. electroosmosis method
✅ The correct answer is option D.
105. Compressibility of sandy soils is______________?
A. almost equal to that of clayey soils
B. much greater than that of clayey soils
C. much less than that of clayey soils
D. none of the above
✅ The correct answer is option C.
106. In the triaxial compression test, the application of additional axial stress (i.e. deviator stress) on the soil specimen produces shear stress on__________________?
A. horizontal plane only
B. vertical plane only
C. both horizontal and vertical planes
D. all planes except horizontal and vertical planes
✅ The correct answer is option D.
107. Highway Research Board (HRB) classification of soils is based on__________________?
A. particle size composition
B. plasticity characteristics
C. both particle size composition and plasticity characteristics
D. none of the above
✅ The correct answer is option C.
108. Valid range for S, the degree of saturation of soil in percentage is______________?
A. S>0
B. S<0
C. 0
D. 0 < S < 100
✅ The correct answer is option D.
109. 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
✅ The correct answer is option C.
110. Select the correct range of density index,ID ________________?
A. lD>0
B. ID>0
C. 0 < lD < 1
D. 0 < ID < 1
✅ The correct answer is option D.