Weight
Exercise
2
17.
B.
(par. 5.18; table VII)
2
18.
D.
(par. 5.13)
2
19.
B.
(par. 5.6)
2
20.
C.
(par. 5.23)
2
21.
A.
(par. 5.22b)
2
22.
C.
(par. 5.21d)
Final surfacing should be completed in the fall before freezing weather.
2
23.
B.
(par. 5.21b)
Since shims are usually added during the winter months because of the crew's inability to
correct low spots in the roadbed during freezing weather, spring would be the time to remove
them. The greatest track-work activity is during the summer months.
2
24.
A.
(par. 5.20)
8
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