Weight
1
b. Type of electrical track circuits used.
1
c. Type of rolling stock that would use it.
1
d. Space available for its installation.
1
e. Condition and type of ballast at the proposed location.
8.
If you found a badly chipped frog point while inspecting track, you might:
1
a. Have to replace some spike-killed ties.
1
b. Relocate and regage the running rails, the guard rails, or both.
1
c. Suspect that the switch points are lower than the stock rails.
1
d. Have a welder build up the damaged point to its normal size.
1
e. Adjust the rods on the switch-throwing mechanism.
9.
A stub switch differs from a split switch in that:
a. It needs no moving parts.
1
b. Its switch rails are unspiked.
1
c. It needs no frog.
1
d. Maintaining its alinement is difficult.
1
e. Both main-line rails move.
10. Main lines in the United States seldom use stub switches because:
1
a. Split switches are preferred.
1
b. They are expensive to install.
1
c. The alinement of the rails is difficult to maintain.
11
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