Railway Engineering
The following tests are conducted for rails:i) falling weight testii) tensile testiii) hammer testThe compulsory tests are

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

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Railway Engineering
The treadle bar is provided

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

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