Pavement Design and Highway Construction (3150613) MCQs

MCQs of Unit 1: Pavement Materials and Characterization: Soil

Showing 31 to 37 out of 37 Questions
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31.
Which type of material should be unsuitable for Embankment construction
(a) Clay having liquid limit exceeding 50 and Plasticity index exceeding 25
(b) Clay having liquid limit exceeding 70 and Plasticity index exceeding 45
(c) Clay having liquid limit exceeding 60 and Plasticity index exceeding 35
(d) Clay having liquid limit exceeding 80 and Plasticity index exceeding 50
Answer:

Option (b)

32.
Which type of material should be unsuitable for subgrade construction
(a) Clay having liquid limit exceeding 50 and Plasticity index exceeding 25
(b) Clay having liquid limit exceeding 70 and Plasticity index exceeding 45
(c) Clay having liquid limit exceeding 60 and Plasticity index exceeding 25
(d) Clay having liquid limit exceeding 50 and Plasticity index exceeding 45
Answer:

Option (a)

33.
Which are the desirable properties of soil
(a) Incompressibility
(b) Permanency of Strength
(c) Stability
(d) All of the above
Answer:

Option (d)

34.
Relative Compaction % of maximum lab Dry density obtained by Standard Proctor test as per IS: 2720 (Part 7), for the Embankments is
(a) Not less than 90%
(b) Not less than 95%
(c) Not less than 85%
(d) None of the above
Answer:

Option (b)

35.
Maximum Lab Dry Unit weight, Tested as per IS 2720 (Part 7) (Light Compaction), for the subgrade and Earthen shoulder is
(a) Not less than 17.5 kN/m3
(b) Not less than 19.5 kN/m3
(c) Not less than 21.5 kN/m3
(d) None of the above
Answer:

Option (a)

36.
The ratio of the deviator stress by the recoverable strain called as
(a) Stiffness
(b) Stress
(c) Modulus of resilient
(d) Strain
Answer:

Option (c)

37.
If the CBR value for subgrade soil is 4%, then the value of modulus of resilient would be (in MPa)
(a) 36
(b) 32
(c) 44
(d) 40
Answer:

Option (d)

Showing 31 to 37 out of 37 Questions
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