Top 250+ Solved Geotechnical Engineering MCQ Questions Answer
Q. The length/diameter ratio of cylindrical specimens used in triaxial test, is generally
a. 1
b. 1.5
c. 2
d. 2.5
Q. The maximum load carried by a pile, when it continues to sink without further increase of load, is known as
a. Ultimate load carrying capacity
b. Ultimate bearing capacity
c. Ultimate bearing resistant
d. All the above
Q. The seepage exit gradient in a soil is the ratio of
a. Total head to the length of seepage
b. Flow line to slope
c. Head upstream to that at downstream
d. Head loss to the length of the seepage
Q. Which of the following methods is more suitable for the determination of permeability of clayey soil?
a. Constant head method
b. Falling head method
c. Horizontal permeability test
d. None of the above
Q. The ratio of the difference between the void ratio of the soil in its loosest state and its natural void ratio (e) to the difference between the void ratios in the loosest and fully dense state, is generally termed as
a. Degree of density
b. Relativity
c. Density index
d. All the above
Q. Within the consolidation process of a saturated clay
a. A gradual increase in neutral pressure and a gradual decrease in effective pressure take place and sum of the two is constant
b. A gradual decrease in neutral pressure and a gradual increase in effective pressure take place and sum of the two is constant
c. Both neutral pressure and effective pressure decrease
d. Both neutral pressure and effective pressure increase
Q. An unsaturated 100 cm3 sample of soil weighs 190 g. If its dried weight is 160 g, watercontent of the soil, is
a. 0.188
b. 0.288
c. 0.388
d. 0.588
Q. Pick up the correct statement from the following:
a. A maximum value of dry density is obtained at optimum water content
b. At low value of water content most soils tend to be stiff
c. At high water content, the dry density decreases with an increase of water content
d. All the above
Q. Select the correct statement.
a. Coefficient of compressibility of an over-consolidated clay is less than that of a normally consolidated clay
b. Coefficient of compressibility of an over-consolidated clay is greater than that of a normally consolidated clay
c. Coefficient of compressibility is constant for any clay
d. None of the above
Q. Pick up the correct statement from the following:
a. Isotropic consolidation of clay can be obtained in the triaxial apparatus under equal all-round pressure
b. If the present effective stress is the maximum to which the clay has ever been subjected, it is called normally consolidated clay
c. If the present effective stress in the past was more than present effective stress, it is called over-consolidated clay
d. All the above
Q. Compression of soil occurs rapidly if voids are filled with
a. Air
b. Water
c. Partly with air and partly with water
d. None of these
Q. For better strength and stability, the fine grained soils and coarse grained soils are compacted respectively as
a. Dry of OMC and wet of OMC
b. Wet of OMC and dry of OMC
c. Wet of OMC and wet of OMC
d. Dry of OMC and dry of OMC where OMC is optimum moisture content
Q. Chemical weathering of soil is caused due to
a. Oxidation
b. Carbonation
c. Hydration
d. All the above