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

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

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Railway Engineering
The treadle bar is provided

in the middle of the track a little in front of the toes of the tongue rail
near and parallel to inner side of one of the rails
near and parallel to inner side of both the rails
at right angle to the rail

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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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