Which is the formula for railexcess length which the inner rail gains over outer? - Railways Quiz

Civil Engineering : Railways - Quiz(MCQ)

Which is the formula for railexcess length which the inner rail gains over outer?

A)

5Ï€G

B)

4Ï€G

C)

2Ï€G

D)

Ï€G

Correct Answer : 2Ï€G

Explanation : The excess length which the inner rail gains over outer rail for a length L of the curve is the difference in circumference of outer and inner rail. It is given by 2πG, where G is the dynamic gauge.

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