Top 250+ Solved Geotechnical Engineering MCQ Questions Answer
Q. The maximum dry density upto which any soil can be compacted depends upon
a. Moisture content only
b. Amount of compaction energy only
c. Both moisture content and amount of compaction energy
d. None of the above
Q. If there is no impervious boundary at the bottom of a hydraulic structure, stream lines tendto follow:
a. A straight line
b. A parabola
c. A semi-ellipse
d. A semi-circle
Q. The Westergaard analysis is used for
a. Sandy soils
b. Cohesive soils
c. Stratified soils
d. Clayey soils
Q. Cohesive soils are generally
a. Plastic and also compressible
b. Elastic and also compressible
c. Plastic but incompressible
d. None of these
Q. The ratio of the volume of voids to the total volume of the given soil mass, is known
a. Porosity
b. Specific gravity
c. Void ratio
d. Water content
Q. In the plate loading test for determining the bearing capacity of soil, the size of squarebearing plate should be
a. Less than 300 mm
b. Between 300 mm and 750 mm
c. Between 750 mm and 1 m
d. Greater than 1 m
Q. If the specific gravity of a soil particle of 0.05 cm diameter is 2.67, its terminal velocity while settling in distilled water of viscosity, 0.01 poise, is
a. 0.2200 cm/sec
b. 0.2225 cm/sec
c. 0.2250 cm/sec
d. 0.2275 cm/sec
Q. The shear strength in plastic undrained clay, is due to
a. Inter-granular friction
b. Internal friction
c. Cohesion
d. None of these
Q. A fully saturated soil is said to be
a. One phase system
b. Two phase system with soil and air
c. Two phase system with soil and water
d. Three phase system
Q. If the volume of voids is equal to the volume of solids in a soil mass, then the values of porosity and voids ratio respectively are
a. 1.0 and 0.0
b. 0.0 and 1.0
c. 0.5 and 1.0
d. 1.0 and 0.5
Q. The compressibility of clays is caused due to:
a. Expulsion of double layer water from in between the grains
b. Sliping of particles to new positions of greater density
c. Bending of particles as elastic sheets
d. All the above
Q. Sedimentation analysis is based on the assumption:
a. Soil particles are spherical
b. Particles settle independent of other particles
c. Walls of the jar do not affect the settlement
d. All the above