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Railways - Engineering

Q1:

Distance between inner faces of the flanges, is kept

A equal to the gauge distance

B slightly less than the gauge distance

C slightly more than the gauge distance

D none of these.

ANS:B - slightly less than the gauge distance

Since gauge distance is the distance between the running faces of rail while flanges are provided on the inner side of wheels. That's why it's lesser up to the distance of approximately the flange's width.