Wearing locations of rails and their reasons are listed below :1. Wear at end of rails : Loose fish bolts2. Wear at sides of rail head : Constant lerake application3. Wear on the top of rail head on tangent truck : Rigidity of wheel base4. 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 ?

Wearing locations of rails and their reasons are listed below :1. Wear

1.	Wearing locations of rails and their reasons are listed below :1. Wear at end of rails : Loose fish bolts2. Wear at sides of rail head : Constant lerake application3. Wear on the top of rail head on tangent truck : Rigidity of wheel base4. 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» E.

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