Soil Mechanics And Foundation Engineering Mcqs
Q.1: Select the correct statement?
A. Unit weight of dry soil is greater than unit weight of wet soil?
B. For dry soils, dry unit weight is less than total unit weight=
C. Unit weight of soil increases due to submergence in water9
D. Unit weight of soil decreases due to submergence in water9
Q.2: Which of the following statements is correct ?.
A. Uniformity coefficient represents the shape of the particle size distribution curveS
B. For a well graded soil, both uniformity coefficient and coefficient of curvature are nearly unitya
C. A soil is said to be well graded if it has most of the particles of about the same sizeW
D. none of the above
Q.3: Select the correct statement?
A. A uniform soil has more strength and stability than a non-uniform soilF
B. A uniform soil has less strength and stability than a non-uniform soilF
C. Uniformity coefficient does not affect strength and stability=
D. Uniformity coefficient of a poorly graded soil is more than that of a well graded soilV
Q.4: Select the correct statement?
A. The greater the viscosity, the greater is permeability6
B. The greater the unit weight, the greater is permeability8
C. The greater the unit weight, the smaller is permeability8
D. Unit weight does not affect per-meability)
Q.5: Select the correct statement?
A. coefficient of compressibility of an over-consolidated clay is less than that of a normally consolidated claym
B. coefficient of compressibility of an over-consolidated clay is greater than that of a normally consolidated clayp
C. coefficient of compressibility is cons-tant for any clay8
D. none of the above
Q.6: Select the incorrect statement?
A. Effective cohesion of a soil can never have a negative value<
B. Effective angle of internal friction for coarse grained soils is rarely below 30R
C. Effective angle of internal friction for a soil increases as state of compact-ness increases\
D. Effective angle of internal friction is a complicated function of mineralogy and clay size contentb
Q.7: In a consolidated drained test on a normally consolidated clay, the volume of the soil sample during shear________________?{
A. decreases
B. increases
C. remains unchanged
D. first increases and then decreases"
Q.8: Select the incorrect statement ?
A. Effective angle of shearing resistance&
B. increases as the size of particles increases,
C. increases as the soil gradation im-proves)
D. is limited to a maximum value of 45%
Q.9: Select the incorrect statement ?
A. In a direct shear box test, the plane of shear failure is predeterminedG
B. Better control is achieved on the drainage of the soil in a triaxial compression testU
C. Stress distribution on the failure plane in the case of triaxial compression test is uniform\
D. Unconfined compression test can be carried out on all types of soilsD
Q.10: Select the incorrect statement?
A. Bearing capacity of a soil depends upon the amount and direction of loadH
B. Bearing capacity of a soil depends on the type of soil6
C. Bearing capacity of a soil depends upon shape and size of footingA
D. Bearing capacity of a soil is indepen-dent of rate of loading=

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