Railway Engineering
The distance through which the tongue rail moves laterally at the toe of the switch for movement of trains is called

throw of the switch
flangeway clearance
heel divergence
None of these

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Railway Engineering
The treadle bar is provided

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

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