Pavement Design and Highway Construction (3150613) MCQs

MCQs of Unit 1: Pavement Materials and Characterization: Soil

Showing 21 to 30 out of 37 Questions
1 2 3 4
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.
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)

26.
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)

27.
The highest CBR number is required for __________
(a) Pavement
(b) Sub grade
(c) Sub base
(d) Base
Answer:

Option (b)

28.
The bitumen surface becomes stiff in __________
(a) Summer
(b) Winter
(c) Rainy
(d) Spring
Answer:

Option (b)

29.
The shape test for aggregate is applicable up to or greater than the size of
(a) 5.3mm
(b) 6.3mm
(c) 7.3mm
(d) 8.3mm
Answer:

Option (b)

30.
Elongation index of aggregate is
(a) The percentage by weight of particles whose greatest dimension is greater than 1.4 times their mean dimension
(b) The percentage by weight of particles whose greatest dimension is greater than 2.4 times their mean dimension
(c) The percentage by weight of particles whose greatest dimension is greater than 1.8 times their mean dimension
(d) The percentage by weight of particles whose greatest dimension is greater than 2.8 times their mean dimension
Answer:

Option (c)

Showing 21 to 30 out of 37 Questions
1 2 3 4