1. Residual soils are formed by
a) glaciers
b) wind
c) water
d) none of the above
Ans:d
2. Water content of soil can
a) never
be greater than 100 %
b) take
values only from 0 % to 100 %
c) be
less than 0 %
d) be
greater than 100 %
Ans:b
3. Which of the following types of soil is transported
by gravitational forces ?
a) loess
b) talus
c) drift
d) dune
sand
Ans:b
4. A fully saturated soil is said to be
a) one
phase system
b) two
phase system with soil and air
c) two
phase system with soil and water
d) three
phase system
Ans:c
5. Valid range for S, the degree of saturation of soil
in percentage is
a) S>0
b) S<0
c) 0<S<100
d) 0
< S < 100
Ans:d
6. A soil has a bulk density of 22 kN/m3 and water
content 10 %. The dry density of soil is
a) 18.6 kN/m3
b) 20.0
kN/m3
c) 22.0
kN/m3
d) 23.2
kN/m3
Ans:b
7. If the voids of a soil mass are full of air only, the
soil is termed as
a) air
entrained soil
b) partially
saturated soil
c) dry
soil
d) dehydrated
soil
Ans:c
8. Valid range for n, the percentage voids, is
a) 0<n<100
b) 0<n<100
c) n>0
d) n<0
Ans:a
9. Select the correct statement.
a) Unit
weight of dry soil is greater than unit weight of wet soil.
b) For
dry soils, dry unit weight is less than total unit weight.
c) Unit
weight of soil increases due to submergence in water.
d) Unit
weight of soil decreases due to submergence in water.
Ans:d
10. Voids ratio of a soil mass can
a) never
be greater than unity
b) be
zero
c) take
any value greater than zero
d) take
values between 0 and 1 only
Ans:c
11. If the volume of voids is equal to the volume of solids
in a soil mass, then the values of porosity and voids ratio respectively are
a)
1.0 and 0.0
b) 0.0
and 1.0
c) 0.5
and 1.0
d) 1.0
and 0.5
Ans:c
12. When the degree of saturation is zero, the soil
mass under consideration represents
a) one phase system
b) two
phase system with soil and air
c) two
phase system with soil and water
d) three
phase system
Ans:b
13. Select the correct range of density index,ID
a) lD>0
b) ID>0
c) 0
< lD < 1
d) 0
< ID < 1
Ans:d
14. If the degree of saturation of a partially
saturated soil is 60%, then air content of the soil is
a) 40%
b) 60%
c) 80%
d) 100%
Ans:a
15. If the water content of a fully saturated soil
mass is 100%, then the voids ratio of the sample is
a) less than specific
gravity of soil
b) equal
to specific gravity of soil
c) greater
than specific gravity of soil
d) independent
of specific gravity of soil
Ans:b
16. The ratio of volume of voids to the total volume
of soil mass is called
a) air
content
b) porosity
c) percentage
air voids
d) voids
ratio
Ans:b
17. Relative density of a compacted dense sand is
approximately equal to
a) 0.4
b) 0.6
c) 0.95
d) 1.20
Ans:c
18. If the sand in-situ is in its densest state, then
the relative density of sand is
a) zero
b) 1
c) between
0 and 1
d) greater
than 1
Ans:b
19. Which of the following methods is most accurate for the
determination of the water content of soil?
a) oven
drying method
b) sand
bath method
c) calcium
carbide method
d) pycnometer
method
Ans:a
20. For proper field control, which of the following
methods is best suited for quick determination of water content of a soil mass
?
a) oven drying method
b) sand
bath method
c) alcohol
method
d) calcium
carbide method
Ans:d
21. A pycnometer is used to determine
a) water
content and voids ratio
b) specific
gravity and dry density
c) water
content and specific gravity
d) voids
ratio and dry density
Ans:c
22. Stoke's law is valid only if the size of particle is
a) less
than 0.0002 mm
b) greater
than 0.2 mm
c) between
0.2 mm and 0.0002 mm
d) all
of the above
Ans:c
23. In hydrometer analysis for a soil mass
a) both meniscus
correction and dispersing agent correction are additive
b) both
meniscus correction and dispersing agent correction are subtractive
c) meniscus
correction is additive and dispersing agent correction is subtractive
d) meniscus
correction is subtractive and dispersing agent correction is additive
Ans:c
24. The hydrometer method of sedimentation analysis
differs from the pipette analysis mainly in
a) the principle of test
b) the
method of taking observations
c) the
method of preparation of soil suspension
d) all
of the above
Ans:b
25. Which of the following is a measure of particle
size range ?
a) effective size
b) uniformity
coefficient
c) coefficient
of curvature
d) none
of the above
Ans:b
26. Which of the following statements is correct?
a) Uniformity
coefficient represents the shape of the particle size distribution curve.
b) For
a well graded soil, both uniformity coefficient and coefficient of curvature
are nearly unity.
c) A
soil is said to be well graded if it has most of the particles of about the
same size
d) none of the above
Ans:d
27. Uniformity coefficient of a soil is
a) always
less than 1
b) always
equal to 1
c) equal
to or less than 1
d) equal
to or gi eater than 1
Ans:d
28. According to Atterberg, the soil is said to be of
medium plasticity if the plasticity index PI is
a) 0 < PI < 7
b) 7<PI<
17
c) 17<PI<27
d) PI>27
Ans:b
29. If the natural water content of soil mass lies
between its liquid limit and plastic limit, the soil mass is said to be in
a)
liquid state
b) plastic
state
c) semi-solid
state
d) solid
state
Ans:b
30.When the plastic limit of a soil is greater than the
liquid limit, then the plasticity index is reported as
a) negative
b) zero
c) non-plastic
(NP)
d) 1
Ans:b
31. Toughness index is defined as the ratio of
a) plasticity
index to consistency index
b) plasticity
index to flow index
c) liquidity
index to flow index
d) consistency
index to liquidity index
Ans:b
32. If the plasticity index of a soil mass is zero,
the soil is
a) sand
b) silt
c) clay
d) clayey
silt
Ans:a
33. The admixture of coarser particles like sand or silt to
clay causes
a) decrease
in liquid limit and increase in plasticity index
b) decrease
in liquid limit and no change in plasticity index
c) decrease
in both liquid limit and plasticity index
d) increase
in both liquid limit and plasticity index
Ans:c
34. Select the correct statement.
a) A
uniform soil has more strength and stability than a non-uniform soil.
b) A
uniform soil has less strength and stability than a non-uniform soil.
c) Uniformity
coefficient does not affect strength and stability.
d) Uniformity coefficient of a poorly graded soil is more
than that of a well graded soil.
Ans:b
35. The water content of soil, which represents the
boundary between plastic state and liquid state, is known as
a) liquid
limit
b) plastic
limit
c) shrinkage
limit
d) plasticity
index
Ans:a
36. Which of the following soils has more plasticity
index ?
a) sand
b) silt
c) clay
d) gravel
Ans:c
47. At liquid limit, all soils possess
a) same
shear strength of small magnitude
b) same
shear strength of large magnitude
c) different
shear strengths of small magnitude
d) different
shear strengths of large magnitude
Ans:a
38. If the material of the base of the Casagrande
liquid limit device on which the cup containing soil paste drops is softer than
the standard hard rubber, then
a) the
liquid limit of soil always increases
b) the
liquid limit of soil always decreases
c) the
liquid limit of soil may increase
d) the
liquid limit of soil may decrease
Ans:a
39. According to IS classification, the range of silt size
particles is
a) 4.75
mm to 2.00 mm
b) 2.00
mm to 0.425 mm
c) 0.425
mm to 0.075 mm
d) 0.075
mm to 0.002 mm
Ans:d
40. Highway Research Board (HRB) classification of soils is
based on
a) particle
size composition
b) plasticity
characteristics
c) both
particle size composition and plasticity
characteristics
d) none
of the above
Ans:c
41. Inorganic soils with low compressibility are
represented by
a) MH
b) SL
c) ML
d) CH
Ans:c
42. Sand particles are made of
a) rock
minerals
b) kaolinite
c) illite
d) montmorillonite
Ans:a
43. The clay mineral with the largest swelling and
shrinkage characteristics is
a) kaolinite
b) illite
c) montmorillonite
d) none
of the above
Ans:c
44. Dispersed type of soil structure is an arrangement
comprising particles having
a) face
to face or parallel orientation
b) edge
to edge orientation
c) edge
to face orientation
d) all
of the above
Ans:a
45. Effective stress is
a) the
stress at particles contact
b) a
physical parameter that can be measured
c) important
because it is a function of engineering properties of soil
d) all of the above
Ans:c
46. Rise of water table above the ground surface causes
a) equal
increase in pore water pressure and total stress
b) equal
decrease in pore water pressure and total stress
c) increase
in pore water pressure but decrease in total stress
d) decrease
in pore water pressure but increase in total stress
Ans:a
47. The total and effective stresses at a depth of 5 m
below the top level of water in a swimming pool are respectively
a) zero
and zero
b) 0.5
kg/cm2 and zero
c) 0.5
kg/cm2 and 0.5 kg/cm2
d) 1.0
kg/cm2 and 0.5 kg/cm2
Ans:b
48. If the water table rises upto ground surface, then the
a) effective stress is reduced due to decrease in
total stress only but pore water pressure does not change
b) effective stress is reduced due to increase in
pore water pressure only but total stress does not change
c) total stress is reduced due to increase in pore
water pressure only but effective stress does not change
d) total stress is increased due to decrease in
pore water pressure but effective stress does not change
Ans:b
49. Quick sand is a
a)
type of sand
b)
flow condition occurring in cohesive soils
c)
flow condition occurring in cohesionless soils
d)
flow condition occurring in both cohesive and
cohesionless soils
Ans:a
50. The hydraulic head that would produce a quick
condition in a sand stratum of thickness 1.5 m, specific gravity 2.67 and voids
ratio 0.67 is equal to
a) 1.0m
b) 1.5
m
c) 2.0
m
d) 3m
Ans:b
51.
Physical properties of a permenant which influence permeability are
a) viscosity only
b) unit weight only
c) both viscosity and unit weight
d) none of the above
Ans:c
52. Select the correct statement.
a) The
greater the viscosity, the greater is permeability.
b) The
greater the unit weight, the greater is permeability.
c) The
greater the unit weight, the smaller is permeability.
d) Unit
weight does not affect permeability.
Ans:b
53. Effective stress on soil
a) increases
voids ratio and decreases permeability
b) increases
both voids ratio and permeability
c) decreases
both voids ratio and permeability
d) decreases
voids ratio and increases permeability
Ans:c
54. If the permeability of a soil is 0.8 mm/sec, the
type of soil is
a) gravel
b) sand
c) silt
d) clay
Ans:b
55. Which of the following methods is more suitable for the
determination of permeability of clayey soil ?
a) constant
head method
b) falling
head method
c) horizontal
permeability test
d) none
of the above
Ans:b
56. Which of the following methods is best suited for
determination of permeability of coarse-grained soils ?
a) constant
head method
b) falling
head method
c) both
the above
d) none
of the above
Ans:a
57. Due to a rise in temperature, the viscosity and the
unit weight of the percolating fluid are reduced to 60% and 90% respectively.
If other things remain constant, the coefficient of
permeability
a) increases
by 25%
b) increases
by 50%
c) increases
by 33.3%
d) decreases
by 33.3%
Ans:b
58. Coefficient of permeability of soil
a) does
not depend upon temperature
b) increases
with the increase in temperature
c) increases
with the decrease in temperature
d) none
of the above
Ans:b
59. The average coefficient of permeability of natural
deposits
a) parallel
to stratification is always greater than that perpendicular to stratification
b) parallel
to stratification is always less than that perpendicular to stratification
c) is
always same in both directions
d) parallel
to stratification may or may not be greater than that perpendicular to
stratification
Ans:a
60. The total discharge from two wells situated near to
each other is
a) sum
of the discharges from individual wells
b) less
than the sum of the discharges from individual wells
c) greater
than the sum of the discharges from individual wells
d) equal
to larger of the two discharges from individual wells
Ans:b
61. The flownet for an earthen dam with 30 m water depth
consists of 25 potential drops and 5 flow channels. The coefficient of
permeability of dam material is 0.03 mm/sec. The discharge per meter length of
dam is
a) 0.00018
nrVsec
b) 0.0045
m3/sec
c) 0.18m3/sec
d) 0.1125m3/sec
Ans:a
62. The most suitable method for drainage of fine
grained cohesive soils is
a) well point system
b) vacuum
method
c) deep
well system
d) electroosmosis
method
Ans:d
63. Total number of stress
components at a point within a soil mass loaded at its boundary is
a) 3
b) 6
c) 9
d) 16
Ans:c
64. The slope of isochrone at any point at a given
time indicates the rate of change of a) effective stress with time
b) effective
stress with depth
c) pore
water pressure with depth
d) pore
water pressure with time
Ans:c
65. Within the consolidation process of a saturated clay
a) a
gradual increase in neutral pressure and a gradual decrease in effective
pressure takes place and sum of the two is constant
b) a
gradual decrease in neutral pressure and a gradual increase in effective
pressure takes place and sum of the two is constant
c) both
neutral pressure and effective pressure decrease
d) both
neutral pressure and effective pressure increase
Ans:b
66. The value of compression index for a remoulded
sample whose liquid limit is 50% is
a) 0.028
b) 0.28
c) 036
d) 0.036
Ans:b
67. Which one of the following clays behaves like a dense
sand ?
a) over-consolidated
ciay with a high over-consolidation ratio
b) over-consolidated
clay with a low over-consolidation ratio
c) normally
consolidated clay
d) under-consolidated
clay
Ans:a
68. Coefficient of consolidation of a soil is affected by
a) compressibility
b) permeability
c) both
compressibility and permeability
d) none
of the above
Ans:c
69. Degree of consolidation is
a) directly
proportional to time and inversely proportional to drainage path
b) directly
proportional to time and inversely proportional to square of drainage path
c) directly
proportional to drainage path and inversely proportional to time
d) directly
proportional to square of drainage path and inversely proportional to time
Ans:b
70. Time factor for a clay layer is
a) a
dimensional parameter
b) directly
proportional to permeability of soil
c) inversely
proportional to drainage path
d) independent
of thickness of clay layer
Ans:b
83. Clay layer A with single drainage and coefficient
of consolidation Cv takes 6 months to achieve 50% consolidation. The time taken
by clay layer B of the same thickness with double drainage and coefficient of
consolidation Cv/2 to achieve the same degree of consolidation is
a) 3 months
b) 6
months
c) 12
months
d) 24
months
Ans:a
85. Coefficient of consolidation for clays normally
a) decreases
with increase in liquid limit
b) increases
with increase in liquid limit
c) first
increases and then decreases with increase in liquid limit
d) remains
constant at all liquid limits
Ans:a
86. Direct measurement of permeability of the specimen
at any stage of loading can be made
a) only in fixed ring type consolido-meter
b) only
in floating ring type consolido-meter
c) both
(a) and (b)
d) none
of the above
Ans:a
87. Compressibility of sandy soils is
a) almost
equal to that of clayey soils
b) much
greater than that of clayey soils
c) much
less than that of clayey soils
d) none
of the above
Ans:c
88. Select the correct statement.
a) coefficient
of compressibility of an over-consolidated clay is less than that of a normally
consolidated clay
b) coefficient
of compressibility of an over-consolidated clay is greater than that of a
normally consolidated clay
c) coefficient
of compressibility is cons-tant for any clay
d) none
of the above
Ans:a
89. Coefficient of compressibility is
a) constant
for any type of soil
b) different
for different types of soils and also different for a soil under different
states of consolidation
c) different
for different types of soils but same for a soil under different states of
consolidation
d) independent
of type of soil but depends on the stress history of soil
Ans:b
90. The ultimate consolidation settlement of a structure
resting on a soil
a) decreases
with the increase in the initial voids ratio
b) decreases
with the decrease in the plastic limit
c) increases
with the increase in the initial voids ratio
d) increases
with the decrease in the porosity of the soil
Ans:a
91. The ultimate consolidation settlement of a soil is
a) directly
proportional to the voids ratio
b) directly
proportional to the compression index
c) inversely
proportional to the compression index
d) none
of the above
Ans:b
92. A normally consolidated clay settled 10 mm when
effective stress was increased from 100 kN/m2 to 200 kN/ m2. If the effective
stress is further increased from 200 kN/ m2 to 400 kN/ m2, then the settlement
of the same clay is
a) 10 mm
b) 20
mm
c) 40
mm
d) none
of the above
Ans:a
93. Coarse grained soils are best compacted by a
a) drum
roller
b) rubber
tyred roller
c) sheep's
foot roller
d) vibratory
roller
Ans:d
94. With the increase in the amount of compaction energy
a) optimum
water content increases but maximum dry density decreases
b) optimum
water content decreases but maximum dry density increases
c) both
optimum water content and maximum dry density increase
d) both
optimum water content and maximum dry density decrease[ES 93]
Ans:b
95. The maximum dry density upto which any soil can be
compacted depends upon a) moisture
content only
b) amount
of compaction energy only
c) both
moisture content and amount of compaction energy
d) none
of the above
Ans:c
97. For better strength and stability, the fine grained
soils and coarse grained soils are compacted respectively as
a) dry
of OMC and wet of OMC
b) wet
of OMC and dry of OMC
c) wet
of OMC and wet of OMC
d) dry
of OMC and dry of OMC where OMC is optimum moisture content
Ans:b
98.Select the
incorrect statement.
a) Effective
cohesion of a soil can never have a negative value.
b) Effective
angle of internal friction for coarse grained soils is rarely below 30°.
c) Effective
angle of internal friction for a soil increases as state of compact-ness
increases.
d) Effective
angle of internal friction is a complicated function of mineralogy and clay
size content.
Ans:a
99. For a loose sand sample and a dense sand sample
consolidated to the same effective stress
a) ultimate
strength is same and also peak strength is same
b) ultimate
strength is different but peak strength is same
c) ultimate
strength is same but peak strength of dense sand is greater than that of loose
sand
d) ultimate strength is same but peak
Ans:c
100. The shear strength of a soil
a) is
directly proportional to the angle of internal friction of the soil
b) is
inversely proportional to the angle of internal friction of the soil
c) decreases
with increase in normal stress
d) decreases
with decrease in normal stress
Ans:d
101. In a consolidated drained test on a normally
consolidated clay, the volume of the soil sample during shear
a) decreases
b) increases
c) remains
unchanged
d) first
increases and then decreases
Ans:a
102. Skempton's pore pressure coefficient B for saturated
soil is
a) 1
b) zero
c) between
0 and 1
d) greater
than 1 [CS 95]
Ans:a
103. Shear strength of a soil is a unique function of
a) effective stress only
b) total
stress only
c) both
effective stress and total stress
d) none
of the above
Ans:a
104. In a deposit of normally consolidated clay
a) effective
stress increases with depth but water content of soil and un-drained strength
decrease with depth
b) effective
stress and water content increase with depth but undrained strength decreases
with depth
c) effective
stress and undrained strength increase with depth but water content decreases
with depth
d) effective
stress, water content and undrained strength decrease with depth
Ans:c
105. Select the incorrect statement. Effective angle
of shearing resistance
a) increases
as the size of particles increases
b) increases
as the soil gradation im-proves
c) is
limited to a maximum value of 45°
d) is
rarely more than 30° for fine grained soil
Ans:c
106. Unconfmed compressive strength test is
a)
undrained test
b) drained
test
c) consolidated
undrained test
d) consolidated
drained test
Ans:a
107. A cylindrical specimen of saturated soil failed under
an axial vertical stress of 100kN/m2 when it was laterally unconfmed. The
failure plane was inclined to the horizontal plane at an angle of 45°. The
values of cohesion and angle of internal friction for the soil are respectively
a) 0.5 N/mm2 and 30°
b) 0.05
N/mm2 and 0°
c) 0.2
N/mm2 and 0°
d) 0.05
N/mm2 and 45°
Ans:b
109. The angle that Coulomb's failure envelope makes
with the horizontal is called
a) cohesion
b) angle
of internal friction
c) angle
of repose
d) none
of the above
Ans:a
111. If a cohesive soil specimen is subjected to a
vertical compressive load, the inclination of the cracks to the horizontal is
a) 90°
b) 45°
c) 22.5°
d) 0°
Ans:b
112. Select the incorrect statement.
a) In a
direct shear box test, the plane of shear failure is predetermined.
b) Better
control is achieved on the drainage of the soil in a triaxial compression test.
c) Stress
distribution on the failure plane in the case of triaxial compression test is
uniform.
d) Unconfined
compression test can be carried out on all types of soils.
Ans:d
113. If the shearing stress is zero on two planes,
then the angle between the two planes is
a) 45°
b) 90°
c) 135°
d) 225°
Ans:b
114. In the triaxial compression test, the application
of additional axial stress (i.e. deviator stress) on the soil specimen produces
shear stress on
a) horizontal plane only
b) vertical
plane only
c) both
horizontal and vertical planes
d) all
planes except horizontal and vertical planes
Ans:d
116. In a triaxial compression test when drainage is
allowed during the first stage (i. e. application of cell pressure) only and
not during the second stage (i.e. application of deviator stress at constant
cell pressure), the test is known as
a) consolidated drained test
b) consolidated
undrained test
c) unconsolidated
drained test
d) unconsolidated
undrained test
Ans:b
120. During the first stage of triaxial test when the cell
pressure is increased from 0.10 N/mm2 to 0.26 N/mm2, the pore water pressure
increases from 0.07 N/mm2 to 0.15 "N/mm2. Skempton's pore pressure
parameter B is
a) 0.5
b) -0.5
c) 2.0
d) -
2.0
Ans:a
121. Sensitivity of a soil can be defined as
a) percentage
of volume change of soil under saturated condition
b) ratio of
compressive strength of unconfined undisturbed soil to that of soil in a
remoulded state
c) ratio of volume of voids to volume of solids
d) none of the above
Ans:b
122. Rankine's theory of earth pressure assumes that
the back of the wall is
a) plane and smooth
b) plane
and rough
c) vertical
and smooth
d) vertical
and rough
Ans:c
123. The coefficient of active earth pressure for a loose
sand having an angle of internal friction of 30° is
a) 1/3
b) 3
c) 1
d) 1/2
Ans:a
124. The major principal stress in an element of
cohesionless soil within the backfill of a retaining wall is
a) vertical
if the soil is in an active state of plastic equilibrium
b) vertical
if the soil is in a passive state of plastic equilibrium
c) inclined
at 45° to the vertical plane
d) none
of the above
Ans:a
126. The effect of
cohesion on a soil is to
a) reduce
both the active earth pressure intensity and passive earth pressure intensity
b) increase
both the active earth pressure intensity and passive earth pressure intensity
c) reduce
the active earth pressure in-tensity but to increase the passive earth pressure
intensity
d) increase
the active earth pressure in-tensity but to reduce the passive earth pressure
intensity
Ans:c
127. A retaining wall 6m high supports a backfill with
a surcharge angle of 10°. The back of the wall is inclined to the vertical at a
positive batter angle of 5°. If the angle of wall friction is 7°, then the
resultant active earth pressure will act at a distance of 2 m above the base
and inclined to the horizontal at an angle of
a) 7°
b) 10°
c) 12°
d) 17°
Ans:c
128. Coefficient of earth pressure at rest is
a) less
than active earth pressure but greater than passive earth pressure
b) greater
than active earth pressure but less than passive earth pressure
c) greater
than both the active
earth pressure and passive earth pressure
d) less
than both the active and passive earth pressures
Ans:b
137. Bishop's
method of stability analysis
a) is more conservative
b) neglects
the effect of forces acting on the sides of the slices
c) assumes
the slip surface as an arc of a circle
d) all
of the above
Ans:c
138. Allowable bearing pressure for a foundation
depends upon
a) allowable settlement only
b) ultimate
bearing capacity of soil only
c) both
allowable settlement and ultimate bearing capacity
d) none
of above
Ans:c
142. The rise of water table below the foundation
influences the bearing capacity of soil mainly by reducing
a) cohesion
and effective angle of shearing resistance
b) cohesion
and effective unit weight of soil
c) effective
unit weight of soil and effective angle of shearing resistance
d) effective
angle of shearing resistance
Ans:b
143. Terzaghi's general bearing capacity formula for a
strip footing (C Nc + y D Nq + 0.5 Y NTB) gives
a) safe bearing capacity
b) net
safe bearing capacity
c) ultimate
bearing capacity
d) net
ultimate bearing capacity where C = unit cohesion
Y =unit weight of soil D = depth of foundation B = width of
foundation N„ Nq, NY = bearing capacity factors
Ans:c
144. Terzaghi's bearing capacity factors Nc, Nq and Nr
are functions of
a) cohesion only
b) angle
of internal friction only
c) both
cohesion and angle of internal friction
d) none
of the above
Ans:b
145. In the plate loading test for determining the bearing
capacity of soil, the size of square bearing plate should be
a) less
than 300 mm
b) between
300 mm and 750 mm
c) between
750 mm and 1 m
d) greater
than 1 m
Ans:b
146. Select the incorrect statement.
a) Bearing
capacity of a soil depends upon the amount and direction of load.
b) Bearing
capacity of a soil depends on the type of soil.
c) Bearing
capacity of a soil depends upon shape and size of footing.
d) Bearing
capacity of a soil is indepen-dent of rate of loading. Ans:a
147. A 600 mm square bearing plate settles by 15 mm in
plate load test on a cohesionless soil under an intensity of loading of 0.2
N/ram2. The settlement of a prototype shallow footing 1 m square under the same
intensity of loading is
a) 15 mm
b) between
15 mm and 25 mm
c) 25
mm
d) greater
than 25 mm
Ans:b
148. A 300 mm square bearing plate settles by 15 mm in a
plate load test on a cohesive soil when the intensity of loading is 0.2 N/mm2.
The settlement of a prototype shallow footing 1 m square under the same
intensity of loading is
a) 15 mm
b) 30
mm
c) 50
mm
d) 167
mm
Ans:c
149. Rise of water table in cohesionless soils upto ground
surface reduces the net ultimate bearing capacity approximately by
a) 25%
b) 50%
c) 75%
d) 90%
Ans:b
150. Contact pressure beneath a rigid footing resting
on cohesive soil is
a) less at edges compared to middle
b) more
at edges compared to middle
c) uniform
throughout
d) none
of the above
Ans:b
This question answer is change...?
ReplyDelete2. Water content of soil can
a) never be greater than 100 %
b) take values only from 0 % to 100 %
c) be less than 0 %
d) be greater than 100 %
Answer is (b)