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Highway Engineering - Interview Questions and Answers

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16. The maximum thickness of expansion joint in rigid pavements is
A. 0
B. 25 mm
C. 50 mm
D. 100 mm
Explanation:
17. Which of the following is considered to be the highest quality construction in the group of black top pavements ?
A. mastic asphalt
B. sheet asphalt
C. bituminous carpet
D. bituminous concrete
Explanation:
18. For the construction of water bound macadam roads, the correct sequence of operations after spreading coarse aggregates is
A. dry rolling, wet rolling, application of screening and application of filler
B. dry rolling, application of filler, wet rolling and application of screening
C. dry rolling, application of screening, wet rolling and application of filler
D. dry rolling, application of screening, application of filler and wet rolling
Explanation:
19. The drain which is provided parallel to roadway to intercept and divert the water from hill slopes is known as
A. sloping drain
B. catchwater drain
C. side drain
D. cross drain
Explanation:
20. Which of the following premix methods is used for base course ?
A. bituminous carpet
B. mastic asphalt
C. sheet asphalt
D. bituminous bound macadam
Explanation:
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