Weight
2
11. The Corps of Engineers is responsible for:
A.
Minor track maintenance.
B.
New railway construction.
C.
All track maintenance.
D.
Demolition of the enemy's rail facilities.
2
12. Track can be surfaced on open-floor bridges by:
A.
Jacking.
B.
Tamping.
C.
Changing individual tie sizes.
D.
Grading.
2
13. When compared with the track maintenance on ballasted-deck bridges, that done on open-
floor ones is:
A.
Less complex.
B.
Less expensive.
C.
More often necessary.
D.
More difficult.
2
14. Track should not be raised in tunnels or under bridges without proper authority from higher
headquarters because:
A. Clearance might be reduced to below an established minimum and result in endangering
train movement.
B. Proper lining might be destroyed.
C. Track maintenance personnel might be placed in danger.
D. The supervisor must have the division engineer's permission before any maintenance
work begins.
2
15. Among the characteristics that make a ballasted-deck bridge superior to an open-deck one
are its:
A.
Low cost of construction.
B.
Ease of conversion to a highway bridge.
C.
Ease of track surfacing.
D.
Greater capacity.
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