2
FDOT Asphalt Plant Level 1 Exam with || || || || || || ||
verified answers ||
Proper weight of mix for gyratory compactor - ✔✔Around 4500 - 5000g.
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Determined through the mix design process to achieve the height of 115 +/-
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5mm
Required amount of mix for Gmm (rice) samples? - ✔✔2000-2200g total or
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1000-1100 grams individually for two flasks || || || || ||
Required amount of mix for ignition samples? - ✔✔Depends on the mix. SP &
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FC 5, 9.5, 12.5 are 1500g. SP 19 is 2000g
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Asphalt burns off at what temp - ✔✔538°C (1000°F)
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The furnace must be capable of what temperature - ✔✔650°C (1200°F)
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Flasks should be calibrated at what temperature and how often? - ✔✔77 +/ 2°F
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of water and once a month or >0.4 grams of dry weight
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How many parts of wetting agent to water - ✔✔1ml wetting agent to 1000ml
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water
, 2
The vacuum applied to flasks for GMM - ✔✔30 +/- 2mm
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Vacuum pressure for GMM must be reached within - ✔✔2 minutes
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The Orbital Shaker must oscillate at - ✔✔270 +/- 10 rpms
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The vacuum and oscillating test for GMM then continues for how long when it
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reaches target pressure - ✔✔15 +/- 2minutes|| || || || || ||
Gyratory compaction angle is - ✔✔an internal angle of 1.16 +/- .02 degrees
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Ram pressure for gyratory compaction is - ✔✔600 +/- 18 kpA perpendicular to
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the axis
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RPM the gyratory compactor operates at - ✔✔30 +/- .5 gyrations a minute
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Gyratory (GMB) and Rice (GMM) samples must be conditioned at what temp
|| || || || || || || || || || || ||
and for how long - ✔✔compaction temp +/- 9 for 1 hour +/- 5minutes and mix
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should be within +/-20° of compaction temp
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The mold and base plate for the gyratory compactor should be in the oven for
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how long - ✔✔30 to 60 minutes
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Target specific height for pills - ✔✔115.0mm +/- 5mm
|| || || || || || || ||
FDOT Asphalt Plant Level 1 Exam with || || || || || || ||
verified answers ||
Proper weight of mix for gyratory compactor - ✔✔Around 4500 - 5000g.
|| || || || || || || || || || || ||
Determined through the mix design process to achieve the height of 115 +/-
|| || || || || || || || || || || || ||
5mm
Required amount of mix for Gmm (rice) samples? - ✔✔2000-2200g total or
|| || || || || || || || || || || ||
1000-1100 grams individually for two flasks || || || || ||
Required amount of mix for ignition samples? - ✔✔Depends on the mix. SP &
|| || || || || || || || || || || || || ||
FC 5, 9.5, 12.5 are 1500g. SP 19 is 2000g
|| || || || || || || || ||
Asphalt burns off at what temp - ✔✔538°C (1000°F)
|| || || || || || || ||
The furnace must be capable of what temperature - ✔✔650°C (1200°F)
|| || || || || || || || || ||
Flasks should be calibrated at what temperature and how often? - ✔✔77 +/ 2°F
|| || || || || || || || || || || || || ||
of water and once a month or >0.4 grams of dry weight
|| || || || || || || || || || ||
How many parts of wetting agent to water - ✔✔1ml wetting agent to 1000ml
|| || || || || || || || || || || || || ||
water
, 2
The vacuum applied to flasks for GMM - ✔✔30 +/- 2mm
|| || || || || || || || || ||
Vacuum pressure for GMM must be reached within - ✔✔2 minutes
|| || || || || || || || || ||
The Orbital Shaker must oscillate at - ✔✔270 +/- 10 rpms
|| || || || || || || || || ||
The vacuum and oscillating test for GMM then continues for how long when it
|| || || || || || || || || || || || || ||
reaches target pressure - ✔✔15 +/- 2minutes|| || || || || ||
Gyratory compaction angle is - ✔✔an internal angle of 1.16 +/- .02 degrees
|| || || || || || || || || || || ||
Ram pressure for gyratory compaction is - ✔✔600 +/- 18 kpA perpendicular to
|| || || || || || || || || || || || ||
the axis
||
RPM the gyratory compactor operates at - ✔✔30 +/- .5 gyrations a minute
|| || || || || || || || || || || ||
Gyratory (GMB) and Rice (GMM) samples must be conditioned at what temp
|| || || || || || || || || || || ||
and for how long - ✔✔compaction temp +/- 9 for 1 hour +/- 5minutes and mix
|| || || || || || || || || || || || || || || ||
should be within +/-20° of compaction temp
|| || || || || ||
The mold and base plate for the gyratory compactor should be in the oven for
|| || || || || || || || || || || || || || ||
how long - ✔✔30 to 60 minutes
|| || || || || ||
Target specific height for pills - ✔✔115.0mm +/- 5mm
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