Railway Engineering
If a is the angle of crossing, then the number of crossings ‘N’ according to right angle method is given by

cot(a)
Vi cot(cc/2)
cot(oc/2)
Vi cosec(a/2)

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Railway Engineering
Heel divergence is

Always greater than flange-way clearance
Always less than flange-way clearance
Equal to flange-way clearance
Sometimes greater than flange-way clearance

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