11-10.
The laser light beam consists
of what number of color(s) of
the color spectrum?
1.
One
2.
Two
3.
Three
4.
Four
11-11.
The single-beam laser does NOT
emit a visible light beam and
cannot be used for alignment.
1.
True
2.
False
11-12.
A rotating laser level is self-
leveling within what range?
1.
20 seconds
2.
8 degrees
3.
16 degrees
4.
90 degrees
11-13.
Which of the following advantages
applies when using a laser plane?
1.
Requires less time to take the
same number of rod readings
2.
Does not require an
instrumentman for shooting
a line
3.
Uses a laser beam instead
of a string line
4.
Each of the above
Learning Objective: Recognize
the procedures used to perform
various soils tests and identify
the apparatus and equipment used
for each procedure.
11-14.
Compaction improves which of
the following soil properties?
1.
Strength
2.
Flexibility
3.
Moisture content
4.
Cohesiveness
11-15.
As the moisture content is
increased, the density will
also continue to increase.
1.
True
2.
False
11-16.
What effect does an increased
compactive effort have on the
density and OMC?
1.
Increases both the OMC
and the density
2.
Increases the density
and decreases the OMC
3.
Increases the OMC and
decreases the density
4.
Decreases both the OMC
and the density
11-17.
What is the volume of the
Proctor mold?
1.
1
cubic foot
2.
1/3 cubic foot
3.
3
cubic foot
4.
1/30 cubic feet
11-16.
The compaction tamper has a
drop of what distance?
1.
10 inches
2.
14 inches
3.
18 inches
4.
24 inches
11-19.
When you prepare your samples for
the compaction test, the moisture
content of each sample is
increased by what increment?
1.
1%
2.
2%
3.
1 1/2%
4.
2 1/2%
11-20.
The objective of the compaction
test is to determine what factor?
1.
The OMC
2.
The maximum density
3.
The compactive effort required
4.
The soil weight
75
