Soil Mechanics Mcqs
The ratio of the volume of air voids to the volume of voids, is called
A) porosity
B) degree of saturation
C) air content
D) void ratio
Check Answer
C) air content
The time factor for a clay layer is
A) directly proportional to drainage path
B) directly proportional to permeability
C) a dimensionless parameter
D) one of these
Check Answer
B) directly proportional to permeability
The water content ratio of a soil is defined as the ratio of the
A) total volume of voids to the total volume of soil
B) total volume of voids to the volume of soil solids
C) volume of water to the volume of voids in the soil mass
D) weight of water to the weight of solids
Check Answer
D) weight of water to the weight of solids
The seepage force in soils is
A) perpendicular to the equi-potential lines
B) proportional to exit gradient
C) proportional to head loss
D) all of these
Check Answer
D) all of these
The contact pressure of rigid footing on cohesive soils is
A) uniform throughout
B) less in the centre than at the edges
C) more in the centre than at the edges
D) none of these
Check Answer
B) less in the centre than at the edges
When the hydrometer analysis is performed, it requires correction for
A) dispersing agent only
B) meniscus only
C) temperature only
D) all of these
Check Answer
D) all of these
Lacustrine soils are those soils which are
A) transported by wind
B) transported by running water
C) deposited at the bottom of the lakes
D) deposited in sea water
Check Answer
C) deposited at the bottom of the lakes
A fine grained soil
A) may or may not be plastic
B) has high compressibility
C) has low permeability
D) all of these
Check Answer
D) all of these
Flow lines and equi-potential lines are
A) intersecting lines at 45° to each other
B) intersecting lines at 90° to each other
C) parallel to each other
D) perpendicular to each other
Check Answer
B) intersecting lines at 90° to each other
The unit bearing capacity of footing in sand
A) increases with width of footing
B) increases with depth of footing
C) decreses with width of footing
D) decreases with depth of footing
Check Answer
B) increases with depth of footing
