carried out in the proper work sequence indicated by the numbered blanks in the narrative
describing the replacement. Indicate the steps to be followed by writing the proper letter in
the numbered blank.
Removing old rails from ties.
Placing shims between rail ends.
Installing the catenary system.
Plating the joint bars.
Removing old rail anchors, bolts, and joint bars.
Setting new tie plates.
Tightening spot board in place.
Driving wooden plugs in old spike holes.
Cleaning up fastenings and removing old rail.
Driving down stubs of broken spikes.
Tightening joint bars.
The first step in a mechanical out-of-face rail replacement is ____(1)____, followed by
the burning off of bolts when necessary. The third step involves
, after which the
old tie plates are removed. When you finish the fifth step--leveling ballast and sweeping
ties, you go on with
(3) . Having done that, the next step is to complete
, followed by
. After the bare wood has been creosoted,
is the next step. Then the new rail is set in place, after which
is done. Gaging
and lightly spiking the new rail is then accomplished, after which the final steps are
completed, which are, in order, tightening the joint bars, fastening the rail anchors, applying
the signal bond wires, and
(Each question in this group contains one and only one correct answer.)
12. One way to dispose of discarded ties is to use them for shoring a track while building,
a ______________________ drain.