Transportation Engineering (3150611) MCQs

MCQs of Highway Transportation_Part 3: Highway materials

Showing 21 to 30 out of 70 Questions
21.
In CBR test load is applied such that penetration rate is _ per minute
(a) 1 mm
(b) 1.25 mm
(c) 2 mm
(d) 2.25 mm
Answer:

Option (b)

22.
The CBR test can be made in the laboratory on
(a) undisturbed sample
(b) remoulded sample
(c) undisturbed and remoulded sample
(d) None of the above
Answer:

Option (c)

23.
In a CBR test the load corresponding to 2.5 mm and 5.0 mm penetration values are respectively 1208 Kg and 1611 Kg respectively. The CBR value of soil is
(a) 78.39%
(b) 88.17%
(c) 67.32 %
(d) 54.78%
Answer:

Option (b)

24.
Which of the following the test are done on the soil for the construction of road
(a) Box-shear test
(b) CBR test
(c) Plate bearing test
(d) All of the above
Answer:

Option (d)

25.
Los Angeles abrasion test on aggregate are done for the
(a) Hardness
(b) Toughness
(c) Durability
(d) None of the above
Answer:

Option (a)

26.
In grain size analysis, soil texture is sand when the particles is
(a) Retained on 4.75mm sieve
(b) Passes 4.75mm and retained on 0.075mm
(c) Passes 0.075mm
(d) None of the above
Answer:

Option (b)

27.
In grain size analysis, the chart is
(a) Particle weight vs Percentage of passing
(b) Particle size vs weight of passing
(c) Particle size vs Percentage passing
(d) None of the above
Answer:

Option (c)

28.
In grain size analysis, What is the full form of MSA
(a) Minimum Size of Aggregate
(b) Maximum Size of Aggregate
(c) Maximum Size of Asphalt
(d) Minimum Size of Asphalt
Answer:

Option (b)

29.
The maximum aggregate crushing value permitted for bituminous macadam is
(a) 30%
(b) 40%
(c) 50%
(d) 60%
Answer:

Option (b)

30.
In the Crushing value test, in how many layers aggregates are filled and compacted?
(a) 2 layers
(b) 4 layers
(c) 3 layers
(d) 5 layers
Answer:

Option (c)

Showing 21 to 30 out of 70 Questions