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UPSC Civil Service Exam Questions - Engineering

Q1:

If the curve lead of a broad gauge railway turnout is 16.76 metres, the angle of crossing of the turnout will be given by

A tan-1 10

B tan-1 5

C tan-1 1/10

D tan-1 1/5

ANS:C - tan-1 1/10

Answer should be D.

Curve lead = 2 * gauge * N.