7-70.
7-71.
7-72.
Learning Objective:
Recognize
the principles and components
of scrapers.
What term is used to describe the
type of dozer that pushes a scraper
through heavy or consolidated
material?
1.
Drive cat
2.
Push cat
3.
Thrust cat
4.
Shove cat
Which of the following types of
equipment can be used to load
scrapers?
1.
Crane clamshell
2.
Conveyor
3.
Front-end loader
4.
All of the above
In what manner is material loaded
in a paddle wheel scraper?
1.
Bottom loaded by a paddle
wheel elevator
2.
Top loaded by a paddle wheel
elevator
3.
Force loaded from the cutting
edges
4.
Bottom loaded by screw augers
7-73.
7-74.
7-75.
What component on a scraper permits
the tractor and scraper to tip
independently from side to side?
1.
Vertical kingpin swivel
2.
Horizontal gooseneck
3.
Longitudinal horizontal hinge
4.
Vertical tip hinge
On a three-piece cutting edge, what
term is used to identify the center
cutting edge?
1.
Stinger
2.
Point cutter
3.
Scraper
4.
Intermediate bit
The bottom front sides of a scraper
bowl usually have bolt-on wear
plates that are known by what term?
1.
End bits
2.
Wear bits
3.
Side cutters
4.
End cutters
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