Transportation Engineering MCQ | Part 3

Transportation Engineering Solved Multiple Choice Questions (MCQs) | Part 3 | Quiz 7

Q.1. In the Los Angles Abrasion Test on aggregate, if the speed of the drum is increased to 50 rpm, then the abrasion value will

A. increase
B. decrease
C. remain unchanged
D. unpredictable

Q.2. The plasticity index of fraction passing 425 microns IS sieve in case of sub-base/base course should be

A. less than 6
B. greater than 6
C. greater than 9
D. between 15 and 30

Q.3. If the CBR value obtained at 5 mm penetration is higher than that at 2.5 mm, then the test is repeated for checking, and if the check test reveals a similar trend, then the CBR value is to be reported as the

A. mean of the value for 5 mm and 2.5 mm penetration 
B. higher value minus the lower value
C. lower value corresponding to 2.5 mm penetration
D. higher value obtained at 5 mm penetration

Q.4. The amount of mechanical energy imposed on the aggregate during the aggregate impact test is of the order of 

A. 5320 kg-cm
B. 6750 kg-cm
C. 7980 kg-cm
D. 11400 kg-cm

Q.5. Which one of the following binders are recommended for a wet and cold climate?

A. 80/100 penetration asphalt
B. Tar
C. Cutback
D. Emulsion

Q.6. Which one of the following pairs is not correctly matched

A. Horizontal Curves - Superelevation
B. O and D studies - Desire lines
C. Los Angles Test - Hardness of aggregates
D. Soundness Test  - Purity of bitumen

Q.7. Bitumen grade 80/100 indicates that under the standard test conditions, the penetration value of bitumen would vary from

A. 0.8 mm to 1 mm
B. 8 mm to 10 mm
C. 8 cm to 10 cm
D. 0.08 mm to 0.1 mm

Q.8. California Bearing Ratio (CBR) is a 

A. measure of soil strength
B. method of soil identification
C. measure to indicate the relative strength of paving material
D. measure of shear strength under lateral confinement

 

Q.9. What are the standards for testing road macadam in Aggregate Impact Tests?

A. 14 kg wt, 38 cm drop, 15 blows
B. 14 kg wt, 35 cm drop, 20 blows
C. 18 kg wt, 35 cm drop, 15 blows
D. 14 kg wt, 30 cm drop, 20 blows

Q.10. Consider the following statements related to Los Angles Abrasion Test on aggregate:

1. It evaluates the hardness of source rock
2. It has a coefficient of variation of about 30 percentage
Which of these statements is/are correct?

A. 1 only
B. 2 only
C. Both1 and 2
D. Neither 1 nor 2

 

Recommended Book (Click to Open):

1. Khanna and Justo (Highway Engineering)

*Self Typed

*Source- Internet, Books and Self-Analysis