Foundation Engineering (2180609) MCQs

MCQs of Shallow Foundation

Showing 61 to 69 out of 69 Questions
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61.
The angle of internal friction is maximum for
(a) angular-grained loose sand
(b) angular-grained dense sand
(c) round-grained dense sand
(d) round-grained loose sand
Answer:

Option (b)

62.
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
Answer:

Option (b)

63.
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
Answer:

Option (b)

64.
For determining the ultimate bearing capacity of the soil, the recommended size of a square bearing plate to be used in the load plate test should be 30 to 75 cm square with a minimum thickness of
(a) 5 mm
(b) 10 mm
(c) 15 mm
(d) 25 mm
Answer:

Option (d)

65.
Terzaghi's analysis assumes:
(a) Soil is homogeneous and isotropic
(b) The elastic zone has straight boundaries inclined at = to the horizontal and plastic zones fully developed
(c) Failure zones do not extend above the horizontal plane through the base of the footing
(d) All the above
Answer:

Option (d)

66.
The ultimate bearing capacity of a soil, is
(a) The total load on the bearing area
(b) Safe load on the bearing area
(c) Load at which soil fails
(d) Load at which soil consolidates
Answer:

Option (c)

67.
The minimum depth of building foundations on
(a) Sandy soils is 80 cm to 100 cm
(b) Clay soils are 90 cm to 160 cm
(c) Rocky soils are 5 cm to 50 cm
(d) All the above
Answer:

Option (d)

68.
Terzaghi's bearing capacity factors Nc, Nq, and Nr are functions of
(a) Cohesion only
(b) The angle of internal friction only
(c) Both cohesion and angle of internal friction
(d) None of the above
Answer:

Option (b)

69.

A circular footing is resting on a stiff saturated clay with qu=250 kN/m2. the depth of foundation is 2 m. determine the diameter of the footing if the column safe load is 600 kN. The bulk unit weight of soil is 20 kN/m3, cohesion is 20 kN/m2. assume a factor of safety of 2.5. As per IS Code -1981.

(a)

2.5
(b)

2.65
(c)

2.75
(d)

2.86
Answer:

Option (d)

Showing 61 to 69 out of 69 Questions
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