5-71.
Bin partitions should have which
of the following properties to
prevent intermingling of the
aggregates within the hot bins?
1.
Be tight fitting
2.
Be free of holes
3.
Be of sufficient height
4.
All of the above
5-72.
In a continuous-flow plant, a
sample of hot aggregate should
be obtained from which of the
following locations?
1.
Scalping screens
2.
Overflow vents
3.
Feeder gates
4.
Dryer
5-73.
What function does the vertical
slot in the asphalt return line
serve in asphalt heating and
circulation?
1.
It breaks the vacuum in the
line upon reversing the pump
2.
It allows for circulation of
asphalt through the feeding
and storage system
3.
It prevents oxidation of the
asphalt
4.
It provides a means of
sampling asphalt
5-74.
The temperature of the asphalt
controls the temperature of an
asphalt and aggregate mixture.
1.
True
2.
False
5-75.
As part of an asphalt mix design,
what is the purpose of the mineral
filler?
1.
To increase the weight
of intermediate aggregate
2.
To decrease the curing time
of the asphalt mix
3.
To increase the workability
of the asphalt mix
4.
To fill in the voids of the
aggregates
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