Railway Engineering
Study the following statements regarding creep. i) Creep is greater on curves than on tangent railway track, ii) Creep in new rails is more than that in old rails, iii) Creep is more on steep gradients than on level track. The correct answer is

only (i)
(i), (ii) and (iii)
(ii) and (iii)
(i)and(ii)

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Railway Engineering
A triangle is used for

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

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Railway Engineering
Stretcher bar is provided

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

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