Engineering :: Soil Mechanics and Foundations

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21.

Black cotton soil

A.	is inorganic in nature	B.	contains large percentage of clay mineral
C.	exhibits high compressibility	D.	all of these

22.

Black cotton soils are

expensive

residual

23.

A fine grained soil

A.	has low permeability	B.	has high compressibility
C.	may or may not be plastic	D.	all of these

24.

Consolidation and compressibility of soil

A.	is a measure of the ability of soil to allow the water to pass through its pores	B.	is a measure of the ability of soil to bear stresses without failure
C.	deals with changes in volume of pores in a soil under load	D.	any one of the above

25.

The minimum size of grains of silts is about

A.	0.0002 mm	B.	0.002 mm
C.	0.02 mm	D.	0.2 mm

26.

The property of a soil which is of great importance in finding settlement of structures, is

A.	permeability	B.	sher strength
C.	consolidation	D.	compressibility

27.

Sand is almost non-compressible.

Correct

Incorrect

28.

The maximum size of the particles of clay is about

A.	0.0002 mm	B.	0.002 mm
C.	0.02 mm	D.	0.2 mm

29.

If the pores of a soil are completely full of air only, the soil is said to be

A.	wet soil	B.	dry soil
C.	fully saturated soil	D.	partially saturated soil

30.

The moist soil is

fully

partially