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Highway Engineering - Interview Questions and Answers

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126. The maximum limit of water absorption for aggregate suitable for road construction is
A. 0.4 %
B. 0.6%
C. 0.8 %
D. 1.0 %
Explanation:
127. The ductility value of bitumen for suitability in road construction should not be less than
A. 30 cm
B. 40 cm
C. 50 cm
D. 60 cm
Explanation:
128. Which of the following tests measures the toughness of road aggregates ?
A. crushing strength test
B. abrasion test
C. impact test
D. shape test
Explanation:
129. Flexible pavement distribute the wheel load
A. directly to subgrade
B. through structural action
C. through a set of layers to the subgrade
D. none of the above
Explanation:
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