Top 250+ Solved Geotechnical Engineering MCQ Questions Answer
Q. If a soil undergoes a change in shape and volume by application of external loads over it, but recovers its shape and volume immediately after removal of the load, the property of the soil is said to be
a. Resilience of soils
b. Elasticity of soils
c. Compressibility of soils
d. None of these
Q. The water content in a soil sample when it continues to loose weight without loosing the volume, is called
a. Shrinkage limit
b. Plastic limit
c. Liquid limit
d. Semi-solid limit
Q. Effective stress is
a. The stress at particles contact
b. A physical parameter that can be measured
c. Important because it is a function of engineering properties of soil
d. All of the above
Q. The angle of internal friction is maximum for
a. angular-grained loose sand
b. angular-grained dense sand
c. round-grained dense sand
d. round-grained loose sand
Q. When a cohesionless soil attains quick condition, it looses
a. Shear strength
b. Bearing capacity
c. Both (a) and (b)
d. Neither (a) nor (6)
Q. Select the correct statement.
a. The greater the viscosity, the greater is permeability
b. The greater the unit weight, the greater is permeability
c. The greater the unit weight, the smaller is permeability
d. Unit weight does not affect permeability
Q. A direct shear test possesses the following disadvantage:
a. A relatively thin thickness of sample permits quick drainage
b. A relatively thin thickness of sample permits quick dissipation of pore pressure developed during the test
c. As the test progresses the area under shear, gradually changes
d. None of these
Q. A stratum of clay 2 m thick will get consolidated 80% in 10 years. For the 80% consolidationof 8 m thick stratum of the same clay, the time required is
a. 100 years
b. 120 years
c. 140 years
d. 160 years
Q. When the seepage pressure becomes equal to the pressure due to submerged weight of a soil, the effective pressure is reduced to zero and the soil particles have a tendency to move up in the direction of flow. This phenomenon is generally known
a. Quick condition
b. Boiling condition
c. Quick sand
d. All the above
Q. If drainage is permitted throughout the test, during the application of both normal, and shear stresses so that full consolidation occurs and no excess pore pressure is set up at any stage of the test, is known as
a. Quick test
b. Drained test
c. Consolidated undrained test
d. None of these
Q. Degree of consolidation is
a. Directly proportional to time and inversely proportional to drainage path
b. Directly proportional to time and inversely proportional to square of drainage path
c. Directly proportional to drainage path and inversely proportional to time
d. Directly proportional to square of drainage path and inversely proportional to time
Q. Terzaghi's theory of one dimensional consolidation assumes
a. Load is applied in one direction
b. Coefficient of permeability is constant
c. Excess pore water drains out only in the vertical direction
d. All the above
Q. The shear resistance of a soil is constituted basically of the following component.
a. The frictional resistance to translocation between the individual soil particles at their contact point
b. To the structural relation to displacement of the soil because of the interlocking of the particles
c. Cohesion and adhesion between the surfaces of the soil particles
d. All the above
Q. The consolidation time for soils
a. Increases with increasing compressibility
b. Decreases with increasing permeability
c. Increases rapidly with increasing size of soil mass
d. All the above