5-10.
5-11.
5-12.
5-13.
5-14.
Which of the following factors
affect the compaction of soil?
1.
Material gradation
2.
Moisture content
3.
Compaction effort
4.
All of the above
Optimum moisture content is
the amount of water in the soil
required to obtain maximum
density.
1.
True
2.
False
Learning Objective: Recognize
site preparation procedures and
the operational processes of a
pit or quarry.
What should you check before
burning brush on a proposed pit
or quarry site?
1.
Weather
2.
Type of fire extinguisher
3.
Requirement for a smoke permit
4.
Requirement for a burn permit
Overburden should be kept cleared
at least how far back from the top
of the face of a quarry?
1.
50 feet
2.
40 feet
3.
25 feet
4.
10 feet
What is the maximum grade for
a haul road designed for use by
truck operations
1.
5 percent
2.
10 percent
3.
15 percent
4.
20 percent
in a quarry?
5-15.
5-16.
5-17.
5-18.
5-19.
5-20.
A chute loading ramp should be
constructed to support a minimum
of how many tons of material?
1.
5 tons
2.
10 tons
3.
15 tons
4.
20 tons
When a pusher-assisted scraper
cannot load within 150 feet, you
should use what equipment?
1.
An additional scraper
2.
An extra pusher
3.
A ripper tractor
4.
A front-end loader
Which of the following quarries
is a type commonly used by the
military?
1.
Double bench
2.
Open faced
3.
Triple bench
4.
Closed faced
What factor determines the layout
of a quarry where the rock
formation is jointed?
1.
The method of development
2.
The depth of overburden
3.
The direction of rock
formation
4.
The lay of the strata
In the NCF, what is the
recommended bench height
in a quarry?
1.
10 feet
2.
15 feet
3.
20 feet
4.
25 feet
In the NCF, what is the
recommended minimum width
of a bench?
1.
40 feet
2.
50 feet
3.
60 feet
4.
70 feet
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