Railway Engineering
Switch angle depends on i) heel divergence ii) length of tongue rail iii) flangeway clearance iv) throw of switch The correct answer is

(i)and(iv)
(iii) and (iv)
(i) and (ii)
(ii) and (iii)

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Railway Engineering
Heel divergence is

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

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