Railway Engineering
Stretcher bar is provided

To maintain the two tongue rails at the exact distance
To permit lateral movement of the tongue rail
To prevent any vertical movement between the wing rail and nose of crossing
To ensure exact gauge at the toe of the switch as well as the nose of crossing

ANSWER DOWNLOAD EXAMIANS APP

Railway Engineering
Heel divergence is

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

ANSWER DOWNLOAD EXAMIANS APP