Top 250+ Solved Geotechnical Engineering MCQ Questions Answer
Q. 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
Q. The vane shear test is used for the in-situ determination of the undrained strength of the intact fully saturated
a. Sands
b. Clays
c. Gravels
d. Highly organic soil
Q. When the plastic limit of a soil is greater than the liquid limit, then the plasticity index is reported
a. Negative
b. Zero
c. Non-plastic (NP)
d. 1
Q. Flow net is used for the determination of
a. Quantity of seepage
b. Hydrostatic pressure
c. Seepage pressure
d. All the above
Q. 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
Q. Stoke's law does not hold good if the size of particle is smaller than
a. 0.0002 mm
b. 0.002 mm
c. 0.02 mm
d. 0.2 mm
Q. Quick sand is a
a. Type of sand
b. Flow condition occurring in cohesive soils
c. Flow condition occurring in cohesion -less soils
d. Flow condition occurring in both cohesive and cohesion-less soils
Q. Pick up the correct statement from the following:
a. O.M.C. refers to the moisture corresponding to the maximum point on the moisture content dry density curve
b. The line which shows moisture content dry density relation for soil containing a constant percentage of air voids, is known as air void line
c. The free fall of hammer for compaction is 30.5 cm
d. All the above
Q. A saturated soil sample has water content of 40% and specific gravity of soil particles 2.7. Thevoid ratio of the soil, is
a. 0.4
b. 0.52
c. 1.08
d. None of these
Q. The total discharge from two wells situated near to each other is
a. Sum of the discharges from individual wells
b. Less than the sum of the discharges from individual wells
c. Greater than the sum of the discharges from individual wells
d. Equal to larger of the two discharges from individual wells
Q. A sample of saturated soil has 30% water content and the specific gravity of soil grains is 2.6. The dry density of the soil mass in g/cm3, is
a. 1.47
b. 1.82
c. 1.91
d. None of these
Q. 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
Q. Depending upon the properties of a material, the failure envelope may
a. Be either straight or curved
b. Pass through the origin of stress
c. Intersect the shear stress axis
d. All the above
Q. The maximum pressure which a soil can carry without shear failure, is called
a. Safe bearing capacity
b. Net safe bearing capacity
c. Net ultimate bearing capacity
d. Ultimate bearing capacity