CM 2113 Exam 3 Chao Wang Study Guide
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1.
Dozer is good for applications of less than 300ft short
haul, and scraper is good for applications of up to
3,000ft medium haul.
2.
An advantage of a crawler dozer as compared with a
wheel-type dozer is higher speed.
True
False
3.
Which of the following work tasks can be performed by Spreading, Striping and
a dozer?
4.
The
is very effective for side-casting
material, particularly for backfilling or making sidehill
cuts.
5.
is a technique whereby the blade end
spillage from the first pass or the sidewalls from pre-
vious cuts are used to hold the material in front of the
dozer blade on subsequent passes.
6.
Which of the following factors need to be considered
when selecting a proper scraper for your project?
7.
Articulated trucks consist of two individual frames
joined by pin, and can be easily operated over soft
ground.
8.
A contractor wants to investigate the production and
cost differences of using a 4S blade on a crawler-type
dozer (D4H-4S). The material is dry clay and is to be
moved a distance of 150 ft from the beginning of the
cut. The dozing is uphill on a 20% grade. The operator
will have average skill. The site conditions will be dark
Backfilling
Angle
Blade
Slot
dozing
Scraper configuration, vol-
ume of material and job
size
True
.75
