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Highway Engineering - Interview Questions and Answers

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111. RC-2, MC-2 and SC-2 correspond to
A. same viscosity
B. viscosity in increasing order from RC-2 to SC-2
C. viscosity in decreasing order from RC-2 to SC-2
D. none of the above
Explanation:
112. Percentage of free carbon in bitumen is
A. more than that in tar
B. less than that in tar
C. equal to that in tar
D. none of the above
Explanation:
113. The number of repetitions, which the pavement thickness designed for a given wheel load should be able to support during the life of pavement is
A. 1000
B. 10000
C. 100000
D. 1000000
Explanation:
114. The maximum allowable Los Angeles abrasion value for high quality surface course is
A. 10%
B. 20 %
C. 30%
D. 45 %
Explanation:
115. Penetration test on bitumen is used for determining its
A. grade
B. viscosity
C. ductility
D. temperature susceptibility
Explanation:
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