Soil Mechanics Mcqs
Vaccum well points are generally used for draining
A) Clays
B) Silts
C) Fines sands and silly sands
D) Coarse sands
Check Answer
C) Fines sands and silly sands
The expansion of soil due to shear at a constant value of pressure is called
A) consistency
B) dilatancy
C) true cohesion
D) apparent cohesion
Check Answer
B) dilatancy
Stoke’s law is used to determine the
A) grain size distribution of those soils whose grain size is finer than 0.075 mm
B) density of soil suspension
C) specific gravity of soil solids
D) all of the above
Check Answer
A) grain size distribution of those soils whose grain size is finer than 0.075 mm
A flow net is used to determine the
A) exit gradient
B) seepage pressure
C) seepage flow
D) all of these
Check Answer
D) all of these
The particle size range is measured by
A) uniformity coefficient
B) effective size
C) curvature coefficient
D) none of these
Check Answer
A) uniformity coefficient
The liquid limit exists in
A) clays
B) silty soils
C) gravel soils
D) sandy soils
Check Answer
A) clays
The strength of a soil is usually identified by
A) effective stress
B) ultimate shear stress
C) direct compressive stress
D) direct tensile stress
Check Answer
B) ultimate shear stress
The liquid limit minus plastic limit is termed as
A) liquidity index
B) shrinkage index
C) plasticity index
D) flow index
Check Answer
C) plasticity index
The activity of clay is defined as the ratio of
A) plasticity index to shrinkage index
B) plasticity index to clay fraction
C) liquidity index to plasticity index
D) liquid limit to plastic limit
Check Answer
B) plasticity index to clay fraction
A soil is in a semi-solid state, if the consistency index is
A) more than unity
B) one
C) zero
D) none of these
Check Answer
A) more than unity
