Top 250+ Solved Geotechnical Engineering MCQ Questions Answer
Q. Which one of the following clays behaves like a dense sand?
a. Over-consolidated clay with a high over-consolidation ratio
b. Over-consolidated clay with a low over-consolidation ratio
c. Normally consolidated clay
d. Under-consolidated clay
Q. During seepage through a soil, direction of seepage is always
a. Parallel to equipotential lines
b. Perpendicular to stream lines
c. Perpendicular to equipotential lines
d. None of these
Q. The seepage force in a soil, is
a. Perpendicular to the equipotential lines
b. Proportional to the exit gradient
c. Proportional to the head loss
d. All the above
Q. Direct measurement of permeability of the specimen at any stage of loading can be made
a. Only in fixed ring type consolidometer
b. Only in floating ring type consolidometer
c. Both (A) and (B)
d. None of the above
Q. The property of a soil which allows it to be deformed rapidly without rupture, elastic rebound and also a volume change, is known
a. Porosity
b. Plasticity
c. Permeability
d. Ductility
Q. Failure of the stability of slopes, generally occurs along
a. Slip plane
b. A horizontal surface
c. A curved surface
d. All the surfaces
Q. The shearing force acting along the slice of a curved surface of slippage, causes the soil to slide
a. Down at the centre
b. Down at the toe
c. Upward at the centre
d. None of these
Q. With the increase in the amount of compaction energy
a. Optimum water content increases but maximum dry density decreases
b. Optimum water content decreases but maximum dry density increases
c. Both optimum water content and maximum dry density increase
d. Both optimum water content and maximum dry density decrease
Q. Soils containing organic matters
a. Are of spongy nature
b. Swell with decrease of moisture
c. Shrink with increase of moisture content
d. None of these
Q. Buoyant unit weight equals the saturated density
a. Multiplied by unit weight of water
b. Divided by unit weight of water
c. Plus unit weight of water
d. Minus unit weight of water
Q. The change of moisture content of soils, changes the
a. Value of the angle of repose
b. Amount of compaction required
c. Cohesive strength of soil
d. All the above
Q. Skempton's pore pressure coefficient B for saturated soil is
a. 1
b. Zero
c. Between 0 and 1
d. Greater than 1
Q. The density of soil can be increased
a. By reducing the space occupied by air
b. By elastic compression of soil grains
c. By expelling water from pores
d. All the above
Q. Pick up the correct definition from the following:
a. The lateral pressure exerted by the soil when the retaining wall moves away from the back fill, is generally known as active earth pressure of the soil
b. The lateral pressure exerted by the soil when the retaining wail moves towards the soil, is generally known as 'Passive earth pressure of the soil
c. The lateral pressure exerted by the soil when the retaining wall has no movement relative to the back fill, is known as 'earth pressure at rest of the soil
d. All the above