Railways

Q1: To design a cross-over between parallel tracks, the required components are :

A two switch, points, two acute angle crossings and two check rails

B two switch points, two acute angle crossings and four check rails

C two switch points, two acute angle crossings and six check rails

D none of these.

ANS:B - two switch points, two acute angle crossings and four check rails

Anyone give an explanation for this.



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