6-40.
Using question 6-39, what total
number of tons of aggregate is
required for this task?
1.
1548.8
2.
2323.2
3.
3097.6
4.
3872.2
6-41.
Using equation 2, a total of how
many pounds per square inch would
a 4-inch asphalt mat equal?
1.
146
2.
110
3.
220
4.
440
6-42.
A total of how many tons of
asphalt is required for a parking
lot 120 feet long, 60 feet wide,
2 inches thick, with 5 percent
waste factor?
1.
33
2.
46
3.
92
4.
331
6-43.
The required tonnage of hot-mix
asphalt for a project is 300 tons.
The screed of the paver is set at
12 feet, and the depth of asphalt
is 2 inches.
Estimate the amount
of asphalt that can be laid per
hour?
1.
34.68
2.
80.46
3.
96.55
4.
102.4
6-44.
When using the horn signal system,
what does two blasts of the horn
mean?
1.
Stop
2.
Go forward
3.
Turn around
4.
Back up
6-45.
In which underground zone, if any,
should a water well be developed?
1.
Plant zone
2.
Saturated
3.
Aeration
4.
None
6-46.
Which of the following belts
is NOT part of the zone of
aeration?
1.
Soil moisture
2.
Intermediate
3.
Saturation
4.
Capillary fringe
6-47.
What is the name of the water
contained in the zone of aeration?
1.
Subsurface water
2.
Ground water
3.
Soil water
4.
Surface water
6-48.
What formation is porous and
permeable and can yield usable
quantities of water?
1.
Artesian
2.
Alluvial basin
3.
Aquifer
4.
Capillary fringe
6-49.
An artesian well is a source of
fresh water flowing freely from
an aquifer in which the water
pressure exceeds atmospheric
pressure.
1.
True
2.
False
6-50.
Which of the following rock
formations is most likely to
produce water in usable
quantities?
1.
Igneous
2.
Sedimentary
3.
Alluvial
4.
Metamorphic
Learning Objective:
Identify
fundamentals of developing
sources of ground water.
45
