6-21.
6–22.
6–23.
6-24.
6-25.
Which of the following are NOT a
high point in a roadway that can
affect the low ground clearance
of a detachable gooseneck trailer?
1.
2.
3.
4.
You
Railroad tracks
Road reflector
Speed bump
Dips
should inspect cargo and
securing devices within how many
miles after beginning a trip?
1.
25
2.
50
3.
75
4.
100
Aggregate spilling from a dump
truck is the responsibility of
the operator and is a hazard
to automotive windshields?
1.
True
2.
False
What weight rating must an
assembly of tie-downs have
when you are hauling a grader
that weighs 35,000 pounds?
1.
35,000 pounds
2.
48,000 pounds
3.
52,500 pounds
4.
64,300 pounds
Who has the responsibility for
setting the weight, height, and
width limitations of cargo loads?
1.
Each city
2.
Each county
3.
Each state
4.
Congress
Learning Objective:
Recognize
the basic characteristics and
operations of dump trucks.
6-26.
What component raises and lowers
the dump bed on a dump truck?
1.
Hydraulic hoist assembly
2.
Manual hoist assembly
3.
Cable drawn lift assembly
4.
Electrical raise assembly
6-27.
In what direction should you
position the front of the dump
truck when performing dumping
operations on an incline?
1.
Parallel to the incline
2.
Diagonal to the incline
3.
Upward with the incline
4.
Downward away from the incline
6–28.
What step should an operator
perform if a load piles up and
blocks the tailgate during dumping
operations with a dump truck?
1.
Manually shovel the material
away
2.
Place the truck in low gear
and drive forward until clear
3.
Place the truck in reverse
and back up to push the
material clear
4.
Wash the material clear with
a fire hose
6–29.
To spread a load with a dump truck,
the operator should shift the truck
in high gear and drive forward as
fast as possible while dumping.
1.
True
2.
False
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