Civil Engineering - UPSC Civil Service Exam Questions - Discussion


Wearing locations of rails and their reasons are listed below :
1. Wear at end of rails : Loose fish bolts
2. Wear at sides of rail head : Constant lerake application
3. Wear on the top of rail head on tangent truck : Rigidity of wheel base
4. Wear on top of rail head on curves : Lesser area of contact between wheel and rail Which of the pairs given above are correctly matched ?

[A]. 1 and 4
[B]. 1 and 2
[C]. 2 and 3
[D]. 1, 2, 3 and 4

Answer: Option D


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