UPSC Civil Service Exam Questions - Engineering

Q1:

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

ANS:D - 1, 2, 3 and 4

No answer description is available.