FDOT Asphalt Plant Level 1 EXAM WITH ANSWERS.

FDOT Asphalt Plant Level 1 EXAM WITH
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ANSWERS

Proper weight of mix for gyratory compactor - CORRECT
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ANSWERS ✔✔Around 4500 - 5000g. Determined through
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the mix design process to achieve the height of 115 +/-
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5mm


Required amount of mix for Gmm (rice) samples? -
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CORRECT ANSWERS ✔✔2000-2200g total or 1000-1100
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grams individually for two flasks
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Required amount of mix for ignition samples? - CORRECT
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ANSWERS ✔✔Depends on the mix. SP & FC 5, 9.5, 12.5
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are 1500g. SP 19 is 2000g
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Asphalt burns off at what temp - CORRECT ANSWERS
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✔✔538°C (1000°F) |\




The furnace must be capable of what temperature -
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CORRECT ANSWERS ✔✔650°C (1200°F) |\ |\ |\

, Flasks should be calibrated at what temperature and how
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often? - CORRECT ANSWERS ✔✔77 +/ 2°F of water and
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once a month or >0.4 grams of dry weight
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How many parts of wetting agent to water - CORRECT
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ANSWERS ✔✔1ml wetting agent to 1000ml water |\ |\ |\ |\ |\ |\




The vacuum applied to flasks for GMM - CORRECT
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ANSWERS ✔✔30 +/- 2mm |\ |\ |\




Vacuum pressure for GMM must be reached within -
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CORRECT ANSWERS ✔✔2 minutes |\ |\ |\




The Orbital Shaker must oscillate at - CORRECT ANSWERS
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✔✔270 +/- 10 rpms
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The vacuum and oscillating test for GMM then continues
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for how long when it reaches target pressure - CORRECT
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ANSWERS ✔✔15 +/- 2minutes |\ |\ |\




Gyratory compaction angle is - CORRECT ANSWERS ✔✔an
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internal angle of 1.16 +/- .02 degrees
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Ram pressure for gyratory compaction is - CORRECT
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ANSWERS ✔✔600 +/- 18 kpA perpendicular to the axis |\ |\ |\ |\ |\ |\ |\ |\