FDOT ASPHALT PLANT LEVEL 1 EXAM WITH GUARANTEED ACCURATE ANSWERS
Proper weight of mix for gyratory compactor - ACCURATE
ANSWERS✔✔ Around 4500 - 5000g. Determined through the mix
design process to achieve the height of 115 +/- 5mm
Required amount of mix for Gmm (rice) samples? - ACCURATE
ANSWERS✔✔ 2000-2200g total or 1000-1100 grams individually for
two flasks
Required amount of mix for ignition samples? - ACCURATE
ANSWERS✔✔ Depends on the mix. SP & FC 5, 9.5, 12.5 are 1500g.
SP 19 is 2000g
, Asphalt burns off at what temp - ACCURATE ANSWERS✔✔ 538°C
(1000°F)
The furnace must be capable of what temperature - ACCURATE
ANSWERS✔✔ 650°C (1200°F)
Flasks should be calibrated at what temperature and how often? -
ACCURATE ANSWERS✔✔ 77 +/ 2°F of water and once a month or
>0.4 grams of dry weight
How many parts of wetting agent to water - ACCURATE
ANSWERS✔✔ 1ml wetting agent to 1000ml water
The vacuum applied to flasks for GMM - ACCURATE ANSWERS✔✔
30 +/- 2mm
Vacuum pressure for GMM must be reached within - ACCURATE
ANSWERS✔✔ 2 minutes
The Orbital Shaker must oscillate at - ACCURATE ANSWERS✔✔ 270
+/- 10 rpms
The vacuum and oscillating test for GMM then continues for how long
when it reaches target pressure - ACCURATE ANSWERS✔✔ 15 +/-
2minutes