Engineering :: Soil Mechanics and Foundations

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51.

The approximate void ratio in sandy soils is

A.	0.2	B.	0.6
C.	0.8	D.	1.2

52.

When the soil particles are less than 0.002 mm, the force of gravity on each particle is

A.	less	B.	more
C.	negligible

53.

Which of the following clay mineral gives maximum swelling?

A.	Kalonite	B.	Montmorillonite
C.	Illite	D.	all of these

54.

Gravel and sand is a

A.	cohesive coarse grained soil	B.	cohesive fine grained soil
C.	non-cohesive coarse grained soil	D.	non-cohesive fine grained soil

55.

The specific gravity of sandy soils is

A.	1.2	B.	1.8
C.	2.2	D.	2.7

56.

Which of the following gives the correct decreasing order of the densities of a soil sample?

A.	Saturated, submerged, wet, dry	B.	Saturated, wet, submerged, dry
C.	Saturated, wet, dry, submerged	D.	Wet, saturated, submerged, dry

57.

Bulk density of a soil is defined as the ratio of

A.	total mass of soil to the total volume of soil	B.	weight of water to the weight of solids
C.	unit weight of solids to the unit weight of water	D.	weight of solid grains to the volume of solids

58.

The unit weight of soil mass is expressed in

A.	kg / m2	B.	kg / m3
C.	N / m2	D.	N / m3

59.

The dry density of a soil is same as the unit weight of solids.

True

False

60.

Submerged soils are

partially

fully