8-43.
What term is used to describe the
operation of removing brush, trees,
and rubbish from a designated area?
1.
Bulldozing
2.
Stumping
3.
Clearing
4.
Ditching
8-44.
What size diameter tree is
considered a large tree?
1.
4 inches
2.
6 inches
3.
8 inches
4.
10 inches
8-45.
Making contact or releasing
pressure on a tree with a dozer
should be performed quickly and
smoothly to avoid any shock to
the tree.
1.
True
2.
False
8-46.
Punctured radiators, broken
847.
8-48.
hydraulic lines, and damaged
exhaust stacks are common types
of equipment damage that occurs
when clearing brush and trees?
1.
True
2.
False
What is the most effective piece
of equipment for removing rocks
and boulders?
1.
A dozer with a tilted blade
2.
A rock drill
3.
A forklift
4.
A jackhammer
What action should an operator
perform to increase the digging
action of a straight-blade dozer
working in hard ground?
1.
Tilt the top of the blade
rearward
2.
Tilt the top of the blade
forward
3.
Angle the blade to the left
4.
Angle the blade to the right
8-49.
What is the maximum working
distance for a medium-size dozer?
1.
100 feet
2.
200 feet
3.
300 feet
4.
400 feet
850.
Sidebyside dozing is impractical
for hauls of less than what
distance?
1.
50 feet
2.
40 feet
3.
30 feet
4.
20 feet
8-51.
Slot dozing can increase production
up to what percentage?
1.
50%
2.
40%
3.
30%
4.
20%
8-52.
What term is used to describe the
process of replacing excavated
earth?
1.
Spreading
2.
Finishing
3.
Backfilling
4.
Ditching
853.
A sidehill excavation can be
started more easily if what
type of cut is made first?
1.
Ditch
2.
Bench
3.
Slope
4.
Slot
854.
What position should the dozer
blade be in when backing away
from the edge of soft fills?
1.
As high as possible
2.
As low as possible
3.
In the float position
4.
Angled
60