In railway engineering, the function of a rail fastening system is mainly to:
Correct answer: A. Secure the rail to the sleeper and maintain its position
- A. Secure the rail to the sleeper and maintain its position
- B. Provide drainage through the centre of the ballast
- C. Increase the gradient of the railway track
- D. Replace the need for sleepers under the rail
Explanation
Rail fastenings hold the rail to the sleeper, maintain the required gauge and resist lateral or longitudinal movement. They do not replace sleepers or serve as the main drainage layer.
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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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