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UPSC Civil Service Exam Questions - Engineering

Q1:

What will be the curve lead for a 1 in 8 1/2 turnout taking off from a straight broad gauge track?

A 28.49 m

B 21.04 m

C 14.24 m

D 7.45 m

ANS:A - 28.49 m

Curve lead = 2GN,
G = gauge = 1.676.
N = Number of crossing,
= 2 * 1.676 * 8.5 = 28.49.