Railway Engineering
Which of the following methods of designation of crossing is mostly used in India ?

None of these
center line method
isosceles angle method
right angle method

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Railway Engineering
Stretcher bar is provided

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
To maintain the two tongue rails at the exact distance
To permit lateral movement of the tongue rail

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Railway Engineering
A triangle is used for

Preventing the vehicles from running off the track
Changing the direction of engine
Transferring wagons to and from parallel tracks without shunting
Separating all the sidings and shunting lines from main lines

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