Weight
3
20. The rails connected by switch rods so that they may be moved simultaneously are
called____________________ rails.
A
Closure.
B.
Switch-throwing.
C.
Stock.
D.
Switch.
3
21. When preparing to install a turnout, the foreman must:
A.
Arrange to have the engineers set the grade stakes.
B.
Have all rails cut to the correct lengths.
C.
Prepare the track chart.
D.
Restrict traffic with sawhorses.
3
22. In the turnout pictured in figure 2.14 of your text, there are _________________ switch ties.
A.
18.
B.
24.
C.
26.
D.
28.
3
23. In a turnout, rail braces support the:
A.
Stock rails.
B.
Switch rails.
C.
Curved closure rail.
D.
Straight closure rail.
3
24. For a train to make a trailing movement through a turnout regardless of the direction for
which it is lined, there must be a ____________________ switch installed in it.
A.
Derail.
B.
Stub.
C.
Interlocking.
D.
Spring.
3
25. For one single track crossing another, you need __________________ frogs.
A. 4.
B. 5.
16
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