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UPSC Civil Service Exam Questions

Q1:

A roaring rail has which one of the following defects ?

A Split on head of rail

B Minute depression and waves on the surface of rails

C Split on web portion of rail

D Square cracks on the surface of rail

ANS:B - Minute depression and waves on the surface of rails

No @Jon.

B is the correct answer because roaring and corrugation are the same things.



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