Civil Engineering MCQ Quiz Hub

1. The soil often found in areas of poor drainage with high evaporation is
Alkaline
Clay
Kaoline
Peaty

2. Plastic limit of a soil is defined as
The water content at which the soil shows shearing resistance as the water content is reduced.
The limit of water content that represents the boundary between plastic and semi-solid state.
The lowest water content at which soil can still be completely saturated.
None of the above

3. The property of soil which permits the seepage of water is known as
Permeability
Porosity
Capillarity
Viscocity

4. In the process of lime stabilization of clay
Strength increases
Clay particles get flocculated into large size
Shrinkage limit increases
All the above

5. The powdered rock which includes all kinds of disintegrated rock is known as
Alluvial soil
Shale
Murram
Red soil

6. Specific gravity of a substance is the ratio of its mass in air to the mass of equal volume of water at
0°C
4°C
27°C
35°C

7. Hydrometers are normally calibrated at
0°C
20°C
35°C
40°C

8. The moisture content of a clayey soil is gradually reduced from a large value. The correct sequence of the occurrence of the limit are
Plastic limit, liquid limit and shrinkage limit
Liquid limit, plastic limit and shrinkage limit
Plastic limit, shrinkage limit and liquid limit
Shrinkage limit, plastic limit and liquid limit

9. A soil is said to be of medium size, if the uniformity coefficient is
Less than 5
Between 0 and 5
Between 5 and 10
Between 10 – 15

10. Which one of the following is not a correct statement about alluvial soil?
It is formed due to sediment transported by streams and rivers
They contain mainly iron and magnesium
They are loamy soils
It is darker in colour

11. Density of soil in SI units is expressed as
N/m2
N/m3
kg/m2
kg/m3

12. Particle size of sand is between
0.002 to 0.075 mm
0.002 to 2.0 mm
0.075 to 2.0 mm
0.0075 to 4.75 mm

13. A soil is said to be well graded if coefficient of curvature lies between
1 and 3
1 and 5
3 and 5
5 and 7

14. In the densest state void ratio of soil can be low as
0.2
0.3
0.15
0.25

15. Darcy's law is based on the assumption that
Soil is homogeneous and isotropic
Soil is saturated
There is laminar flow condition
All the above

16. Quick sand is
A sand which act as a quick filter
A uniformly graded sand
The conditions focusing quick flow of water through the soil
A condition when cohesionless soil loses its shear strength due to upward flow water

17. The soil particles of size below _____ are considered fine grained.
2.0 mm
0.002 mm
0.075 mm
0.0475 mm

18. Stoke's law is applicable to soil particles of size between
0.2 mm to 0.2 m
0.2 mm to 2 m
0.3 mm to 0.2 m
0.3 mm to 3 m

19. By compaction void ratio of uniform sized spherical particles can be reduced upto
0.15
0.25
0.35
0.45

20. The ratio of voids to total volume of soil mass is called
water content ratio
degree of saturation
porosity
void ratio

21. During electrical stabilization of soil
fine grained soil is drained
friction between particles increase
soil particles get flocculated to form large particles
All of the above

22. A pycnometer is used to determines
water content and voids ratio
water content and specific gravity
voids ratio and dry density
specific gravity and dry density

23. Cohesive soils are
poor for back-fill because of large lateral pressure
good for back-fill because of low lateral pressure
good for back-fill because of high shear strength
none of the above

24. Which one of the following is not a factor influencing coefficient permeability.
hydraulic gradient
degree of saturation
viscocity of water
size and shape of particle

25. Size of gravel is between
2.0 to 20 mm
4.75 to 80 mm
0.475 to 4.75 mm
0.475 to 2.0 mm

26. Void ratio is the ratio of volume of voids to
unit weight of soil
total volume of soil
volume of solids
none of the above

27. To remove organic matter from the soil sample to be used in sedimentation analysis, it is mixed with hydrogen peroxide at
20°C
27°C
60°C
80°C

28. Difference between liquid limit and plastic limit is known as
lquidity index
consistency index
plasticity index
none of the above

29. The piping failure in a hydraulic structure can be prevented by
diverting the seepage water into filter wells
increasing the stress due to weight of the structure
increasing the creep length of flows of water
All of the above

30. Ultimate bearing capacity of soil is the
maximum gross pressure at which soil fails in shear
maximum net pressure at which soul fails in shear
maximum pressure at which soil settles beyond the specified limit
both a and c

31. A fully saturated soil is said to be
one phase system
two phase system with soil and water
two phase system with soil and air
three phase systemv

32. The hydrostatic pressure on the phreatic line within a dam section is
equal to atmospheric pressure
greater than atmospheric pressure
less than atmospheric pressure
none of these

33. Lime stabilization is very effective in treating
silty soils
plastic clayed soils
sandy soils
non plastic soilsv

34. In engineering, soil is defined as
natural aggregates of mineral grains loose or moderately cohesive, inorganic or organic in nature
the top surface of the earth which is good for growth of plant
a disintegrated rock
All of the above

35. Aeoline deposit is a soil transport by
streams
glaciers
wind
gravity

36. Water content can be
zero to 100%
zero to 200%
zero to 300%
zero to 400%

37. Which of the following is highly permeable?
coarse sand
clay
gravel
fine sand

38. In a plate load test minimum size of plate to be used is
100 mm x 100 mm
250 mm x 250 mm
300 mm x 300 mm
400 mm x 400 mm

39. Residual soils are formed by
water
glaciers
wind
none of the above

40. The term soil Mechanics was coined by
Newmark
Terzaghi
newton
Rankine

41. Limitation of Stoke's law
all particles should have same specific gravity
it cannot be applied to particles of size smaller than 0.2 m
it is true for spherical particles only
All of the above

42. Plastic limit is defined as
the water content at which the soil shows shearing resistance as the water content is reduced
the lowest water content at which soil can still be completely saturated
the limit of water content that represents the boundary between plastic and semi-solid state
none of the above

43. Which of the following types of soil is transported by gravitational forces?
loess
drift
dune sand
talus

44. Rise of water table above the ground surface causes
increase in pore water pressure but decrease in total stress
decrease in pore water pressure but increase in total stress
equal decrease in pore water pressure and total stress
equal increase in pore water pressure and total stress

45. The ratio of volume of voids to the total volume of soil mass is called
porosity
percentage air voids
voids ratio
air content

46. Coarse grained soils are best compacted by a
vibratory roller
sheep's foot roller
rubber tyred roller
drum roller

47. The value of factor of safety adopted in foundation design is
1.2 to 1.5
1.5 to 2.0
2 to 3
3 to 4

48. Coulomb's earth pressure theory gives the same value as Rankine's theory when
wall is smooth and vertical
wall is vertical
wall is smooth
none of the above

49. The soil particles coarser than _____ can be examined by means of hand lense
0.15 mm
0.75 mm
0.015 mm
0.075 mm

50. Quick sand is a
flow condition occurring in both cohesive and cohesionless soils
flow conditions occurring in cohesionless soils
flow condition occurring in cohesive soils
type of sand

51. Mechanical stabilization of soil is done with the help of
proper grading
bitumen
lime
cement

52. When a soil sample is subjected to purely hydrostatic pressure s the Mohr's circle is
a circle of radius s at the origin
circle of radius s at distance s from the origin
a point at distance s from the origin
none of the above

53. Shrinkage limit is defined as
the water content at which the soil shows shearing resistance as the water content is reduced
the limit of water content that represents the boundary between plastic and semi-solid state
the lowest water content at which soil can still be completely saturated
none of the above

54. Alluvial deposits is the soil transported by
streams and rivers
glaciers
wind
gravity