Weight
2
d. Prepare and install snow-melting pots.
2
e. Use flangers to clear the drainage ditches.
11. Snow fences are used to protect certain sections of the railroad from hazardous snow
conditions. It is true of snow fences that they:
2
a. Provide protection from snow slides.
2
b. Reduce wind velocity causing the snow to be dropped before it reaches the track.
2
c. Keep snowdrifts off the track.
2
d. Are set up at the ends of the crossties.
2
e. Are located on the side of the track from which the prevailing wind blows.
Multiple- Choice
(Each question in this group contains one and only one correct answer.)
2
12. The term frozen joint indicates that:
A.
Rail expansion there is impossible.
B.
Joint lubrication is lacking.
C.
The joint is improperly insulated.
D.
Buckling of the rail is unlikely.
2
13. When preparing to remove a snowslide, you recall that:
A.
Snowplows cannot be used.
B.
The spreader plow is the most suitable one to use.
C.
Flangers are used first, followed by spreader plows.
D.
The rotary plow is the most suitable one to use.
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