Q.1

The method of the slices is applicable to

  • homogenous soils
  • stratified soils
  • saturated soils
  • non-uniform slopes
  • all the above.
Q.2

Soils containing organic matters

  • are of spongy nature
  • swell with decrease of moisture
  • shrink with increase of moisture content
  • none of these.
Q.3

A failure wedge develops if a retaining wall

  • moves away from the backfill
  • moves towards the backfill
  • sinks downwards
  • stresses equally by vertical and horizontal forces.
Q.4

Pick up the cohesive soil from the following:

  • Red earth
  • Clay
  • Black cotton soil
  • Compacted ground.
Q.5

When the seepage pressure becomes equal to the pressure due to submerged weight of a soil, the effective pressure is reduced to zero and the soil particles have a tendency to move up in the direction of flow. This phenomenon is generally known

  • quick condition
  • boiling condition
  • quick sand
  • all the above.
Q.6

A soil not fully consolidated under the existing over-burden pressure, is called

  • pre-consolidated
  • normally consolidated
  • under-consolidated
  • none of these.
Q.7

Stoke's law does not hold good if the size of particle is smaller than

  • 0.0002 mm
  • 0.002 mm
  • 0.02 mm
  • 0.2 mm
Q.8

Plasticity index is defined as the range of water content between

  • liquid and plastic limit
  • plastic limit and semi solid limit
  • semi-solid limit and liquid limit
  • liquid limit and solid limit.
Q.9

Pick up the correct statement from the following:

  • The void ratio in soils is defined as the ratio of the volume of voids to the volume of solids
  • The porosity of a soil is defined as the ratio of the volume of voids to the gross volume of the soil
  • The bulk density of a soil is defined as the unit weight of the soil
  • The dry density of a soil is defined as weight of solids to the total volume of the soil
  • All the above.
Q.10

For determining the ultimate bearing capacity of soil, the recommended size of a square bearing plate to be used in load plate test should betocm square with a minimum thickness of

  • 5 mm
  • 10 mm
  • 15 mm
  • 20 mm
  • 25 mm
Q.11

The reduction in volume of soil due to squeezing out of water from the voids, is termed

  • primary consolidation
  • primary compression
  • primary time effect
  • all the above.
Q.12

Pile foundations are generally preferred to for

  • bridge foundations
  • sky scrapper buildings
  • residential buildings
  • runways.
Q.13

The phreatic line in an earth dam may be

  • circular
  • elliptical
  • parabolic
  • a straight line
  • all the above.
Q.14

The angle of internal friction is maximum for

  • angular-grained loose sand
  • angular-grained dense sand
  • round-grained dense sand
  • round-grained loose sand
  • clays.
Q.15

In a purely cohesive soil, the critical centre lies at the intersection of

  • perpendicular bisector of slope and the locus of the centre
  • perpendicular drawn at l/3rd slope from toe and the locus of the centre
  • perpendicular drawn at 2/3rd slope from toe and the locus of the centre
  • directional angles
  • none of these.
Q.16

The minimum depth of building foundations on

  • sandy soils is 80 cm to 100 cm
  • clay soils is 90 cm to 160 cm
  • rocky soils is 5 cm to 50 cm
  • all the above.
Q.17

The shear strength of a soil

  • increases with an increase in the normal stress
  • is proportional to the cohesion of the soil
  • is generally known as the strength of the soil
  • is proportional to the tangent of the angle of internal friction
  • all the above.
Q.18

The water content in a soil sample when it continues to loose weight without loosing the volume, is called

  • Shrinkage limit
  • Plastic limit
  • liquid limit
  • semi-solid limit.
Q.19

'Drift' is the material picked up, mixed, disintegrated, transported and redeposited by

  • wind
  • gravitational force
  • glaciated water
  • all the above.
Q.20

The angle of internal friction of clays, is usually

  • 0° to 5°
  • 5° to 20°
  • 20° to 30°
  • 30° to 45°
Q.21

Pick up the correct statement from the following:

  • A maximum value of dry density is obtained at optimum water content
  • At low value of water content most soils tend to be stiff.
  • At high water content, the dry density decreases with an increase of water content.
  • An airless soil will have maximum possible value of dry density for the given water content
  • All the above.
Q.22

The angle of internal friction, is least for

  • angular-grained loose sand
  • angular -grained dense sand
  • round-grained loose sand
  • round-grained loose sand
  • clays.
Q.23

The ratio of the undrained strength in the undrained state to the undrained strength, at the same water content, in the remoulded state, is called the sensivity of the clay. Its value for quick clays is

  • 4
  • 8
  • 12
  • 16
  • 20
Q.24

The property of a soil which permits water to percolate through it, is called

  • moisture content
  • permeability
  • capillarity
  • none of these.
Q.25

The consistency index of a soil is defined as the ratio of

  • liquid limit plus the natural water content to the plasticity index of the soil
  • liquid limit minus the natural water content to the plasticity index of the soil
  • natural water content of a soil minus plastic limit to the plasticity index of the soil
  • natural water content of a soil plus its plastic limit to the plasticity index of the soil.
Q.26

The shearing strength of a cohesion-less soil depends upon

  • dry density
  • rate of loading
  • confining pressure
  • nature of loading.
Q.27

A grillage foundation

  • is provided for heavily loaded isolated columns
  • is treated as spread foundation
  • consists of two sets of perpendicularly placed steel beams
  • all the above.
Q.28

In non-cohesive soil in passive state of plastic equilibrium

  • major principal stress is horizontal
  • minor principal stress is vertical
  • major principal stress is vertical
  • minor and major principal stresses are equally inclined to the horizontal.
Q.29

The total weight of a pycnometer with water and oven dried soil(g) isg. The pycnometer filled with water alone weighsg. The specific gravity of the soil, is

  • 1.0
  • 1.5
  • 2.0
  • 2.5
Q.30

The triaxial apparatus is usually used for

  • unconsolidated-undrained test
  • consolidated-undrained test
  • drained test
  • all the above tests.
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