Engineering :: Soil Mechanics and Foundations

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171.

The coefficient of volume compressibility

A.	increases	B.	decreases
C.	does not change

172.

The compression index of the soil

A.	increases with the increase in liquid limit	B.	decreases with the increase in liquid limit
C.	increases with the decrease in plastic limit	D.	decreases with the increase in plastic limit

173.

The ultimate settlement of a soil

A.	is directly proportional to the compression index	B.	decreases with an increase in the initial void ratio
C.	is directly proportional to the depth of the compressible soil mass	D.	all of the above

174.

The strength of a soil is usually identified by

A.	direct tensile stress	B.	direct compressive stress
C.	ultimate shear stress	D.	effective stress

175.

The shear strength of a soil

A.	is proportional to the cohesion of the soil	B.	is proportional to the tangent of the angle of internal friction
C.	increases with the increase in normal stress of soil	D.	all of the above

176.

The expansion of soil due to shear at a constant value of pressure is called

A.	apparent cohesion	B.	true cohesion
C.	dilatancy	D.	consistency

177.

If a shear stress is applied on a dense sand, the shear strain caused will

A.	increase	B.	decrease
C.	not effect

178.

The density of sand at which there is no change in volume under the influence of shearing strain produced due to shear stress, is called

A.	relative density	B.	apparent density
C.	critical density	D.	any one of these

179.

The angle of internal friction

A.	varies with the density of sand	B.	depends upon the amount of interlocking
C.	depends upon the particle shape and roughness	D.	all of the above

180.

Which one of the following parameters can be used to estimate the angle of friction of a sandy soil?

A.	Particle size	B.	Roughness of particle
C.	Density index	D.	Particle size distribution