The ductility test of bitumen indicates its ability to:
Correct answer: D. Stretch before breaking
- A. Withstand abrasive wear
- B. Harden under impact
- C. Resist water absorption
- D. Stretch before breaking
Explanation
Ductility is the distance bitumen can elongate before it breaks under specified conditions. It reflects the binder's ability to undergo deformation without cracking.
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About Transportation Engineering
Transportation engineering covers highway planning and alignment, traffic studies, road geometric design, pavement materials and flexible or rigid pavement construction. It also includes railway, airport and traffic engineering concepts such as sight distance, superelevation, signals, capacity and level of service, distinguishing pavement failure from poor geometric design.
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