Q.1

Failure of the stability of slopes, generally occurs along

  • slip plane
  • a horizontal surface
  • a curved surface
  • all the surfaces.
Q.2

If the failure of a finite slope occurs through the toe, it is known as

  • slope failure
  • face failure
  • base failure
  • toe failure.
Q.3

Failure of the stability of slopes, generally occurs along

  • slip plane
  • a horizontal surface
  • a curved surface
  • all the surfaces.
Q.4

The internal molecular attraction of a soil, the cohesion

  • decreases as the moisture content increases
  • increases as the moisture content decreases
  • is more in well compacted clays
  • depends upon the external applied load.
Q.5

The clay soil mainly consists of

  • Kaolinites .
  • Montomorillonite
  • Illites
  • Vermiculite
  • All the above.
Q.6

The ratio of the weight of given volume of soil solids to the weight of an equal volume of distilled water at the given temperature, is known

  • porosity
  • specific gravity
  • void ratio
  • water content.
Q.7

The maximum value of effective stress in the past divided by the present value, is defined as over consolidation ratio (OCR). The O.C.R. of an over consolidated clay is

  • less than 1
  • 1
  • more than 1
  • None of these.
Q.8

Factor of safety against sliding of a slope, is the ratio of

  • actual cohesion to that required to maintain stability of slope
  • shear strength to shear stress along the surface
  • neither (a) nor (b)
  • both (a) and (b).
Q.9

Pick up the correct statement from the following:

  • When water table is above the base of a footing, the dry weight m should be used for soil below water table
  • When water table is located somewhat below the base of a footing, the elastic wedge is partly of moist soil and partly of submerged soil, and a suitable reduction factor is used
  • When water table is just at the base of the footing, no reduction factor is used
  • None of these.
Q.10

Pick up the correct statement from the following:

  • Failure plane carries maximum shear stress
  • Failure plane does not carry maximum shear stress
  • Failure plane carries shear stress equal to maximum shear stress
  • None of these.
Q.11

Rankine's theory of active earth pressure assumes

  • soil mass is homogeneous, dry and cohesionless
  • ground surface is a plane which may be horizontal or inclined
  • back of the wall is vertical and smooth
  • wall yields about the base
  • all the above.
Q.12

The quantity of seepage of water through soils is proportional to

  • coefficient of permeability of soil
  • total head loss through the soil
  • neither (a) nor (b)
  • both (a) and (b).
Q.13

The liquidity index is defined as a ratio expressed as percentage of

  • plastic limit minus the natural water content, to its plasticity index
  • natural water content minus its plastic limit to its plasticity index
  • natural water content plus its plastic limit to its plasticity index
  • liquid limit minus the natural water content to the plasticity index.
Q.14

The ultimate Settlement of a soil is directly proportional to:

  • depth of the compressible soil strata
  • compressive index
  • void ratio
  • both (a) and (b)
  • none of these.
Q.15

The ratio of the volume of voids to the volume of soil solids in a given soil mass, is known

  • porosity
  • specific gravity
  • void ratio
  • water content.
Q.16

Pick up the correct statement from the following :

  • In soils, the flow index indicates variation in shear strength with water content
  • Liquid limit minus plastic limit, is known as plasticity index of the soil
  • Plastic limit minus shrinkage limit, is known as shrinkage index of the soil
  • The ratio of the plasticity index to the flow limit, is known as toughness index of the soil
  • All the above.
Q.17

Geologic cycle for the formation of soil, is

  • Upheavel → transportation → deposition → weathering
  • Weathering → upheaval → transportation → deposition
  • Transportation → upheaval → weathering → deposition
  • Weathering → transportation → deposition → upheaval
  • None of these.
Q.18

The water content of soil is defined as the ratio of

  • volume of water to volume of given soil
  • volume of water to volume of voids in soil
  • weight of water to weight of air in voids
  • weight of water to weight of solids of given mass of soil.
Q.19

When drainage is permitted under initially applied normal stress only and full primarily consolidation is allowed to take place, the test is known as

  • quick test
  • drained test
  • consolidated undrained test
  • none of these.
Q.20

The fluid generally used for grouting is

  • cement and water mix
  • clay suspension
  • sodium silicate
  • bitumen emulsion
  • all the above.
Q.21

The seepage force in a soil, is

  • perpendicular to the equipotential lines
  • proportional to the exit graident
  • proportional to the head loss
  • all the above.
Q.22

A compacted soil sample usingmoisture content has a weight ofg and mass unit weight of 2.0 g/cm3. If the specific gravity of soil particles and water are 2.7 and 1.the degree of saturation of the soil is

  • 11.1%
  • 55.6%
  • 69.6%
  • none of these.
Q.23

A flow line makes angles θ1 and θ2 with the normal to the interface of the soils having permeabilities k1, k2 before and after deflection. According to the law of deflection of the flow lines at the interface of the dissimilar soils

Q.24

The weight of a pycnometer containingg sand and water full to the top isg. The weight of pycnometer full of clean water isg. If specific gravity of the soil is 2.the water content is

  • 5%
  • 10%
  • 15%
  • 20%
Q.25

Accurate determination of water content, is made by

  • calcium carbide method
  • sand bath method
  • alcohol method
  • oven-drying method.
Q.26

The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known

  • liquid limit
  • plastic limit
  • shrinkage limit
  • permeability limit.
Q.27

A coarse-grained soil has a voids ratio 0.and specific gravity as 2.The critical gradient at which quick sand condition occurs, is

  • 0.25
  • 0.50
  • 0.75
  • 1.00
Q.28

A soil has bulk density 2.g/cm3 and water contentper cent, the dry density of the sample, is

  • 1.0 g/cm2
  • 1.5 g/cm3
  • 2.0 g/cm3
  • 2.5 g/cm3
Q.29

Under-reamed piles are generally

  • driven piles
  • bored piles
  • precast piles
  • all the above.
Q.30

A partially saturated sample of soil has a unit weight of 2.0 g/cm3 and specific gravity of soil particles is 2.If the moisture content in the soil is 20%, the degree of saturation is

  • 20%
  • 77%
  • 92%
  • none of these.
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