Question

Which of the following is not the function of fastener?
1. To hold rails in proper positions
2. To join rail with sleepers
3. To join adjacent rails
4. To join sleeper with ballast

Answer 1

Correct Answer - Option 4 : To join sleeper with ballast

Explanation:

(i) Rail fastening system is a means of fixing rails to sleepers.

(ii) It is used to keep rails in proper position.

(iii) Fishplate, splice bar or joint bar is a metal bar that is bolted to the ends of two rails to join them together in a track and maintain the continuity of rails & to allow for expansion and contraction of rail due to temperature difference.

(iv) They maintain correct alignment of line both horizontally & vertically.