EXAM LEVEL 1: FDOT ASPHALT PLANT
LEVEL 1, 2025/2026 WITH
CORRECT/ACCURATE ANSWERS
Proper weight of mix for gyratory compactor - CORRECT
ANSWERS- Around 4500 - 5000g. Determined through the mix
design process to achieve the height of 115 +/- 5mm
How do you sample an asphalt truck? - CORRECT ANSWERS- In 3
different areas at least 12" down
What type of paper do you use for FC5? - CORRECT ANSWERS-
Silicone coated non stick paper (no wax)
Where should the hole be located for temping asphalt trucks? -
CORRECT ANSWERS- On both sides
6-10" higher than the bottom of the bed in the middle third of the
truck
What is the master range for truck temperatures for both the
plant and roadway? - CORRECT ANSWERS- +/- 30°
This is also the temp you base rejections off of
, What is the criteria for temping asphalt trucks? - CORRECT
ANSWERS- Any single trucks should be +/-25°
Average of 5 trucks should be +/-15°
Gyratory Specimens should be cooled to what temperature? -
CORRECT ANSWERS- 77 +/-9°F
What is the process for drying cores? - CORRECT ANSWERS- In
the core dryer. Weighing each time until the weight lost is less
than 0.5 grams
When cooled the GMM samples should be no bigger than? -
CORRECT ANSWERS- 1/4"
(Stones that are bigger than 1/4" are excluded)
When the Orbital Shaker time is up and pressure is released for
the GMM how long do the samples sit? - CORRECT ANSWERS- 10
+/- 1 minute
When do you fill the flasks for the GMM with water? - CORRECT
ANSWERS- Before the 9 minute mark while sitting
When do you cap the flasks for the GMM samples and weigh
them? - CORRECT ANSWERS- After 9 minutes has been reached
on the timer and not to exceed 11 minutes
LEVEL 1, 2025/2026 WITH
CORRECT/ACCURATE ANSWERS
Proper weight of mix for gyratory compactor - CORRECT
ANSWERS- Around 4500 - 5000g. Determined through the mix
design process to achieve the height of 115 +/- 5mm
How do you sample an asphalt truck? - CORRECT ANSWERS- In 3
different areas at least 12" down
What type of paper do you use for FC5? - CORRECT ANSWERS-
Silicone coated non stick paper (no wax)
Where should the hole be located for temping asphalt trucks? -
CORRECT ANSWERS- On both sides
6-10" higher than the bottom of the bed in the middle third of the
truck
What is the master range for truck temperatures for both the
plant and roadway? - CORRECT ANSWERS- +/- 30°
This is also the temp you base rejections off of
, What is the criteria for temping asphalt trucks? - CORRECT
ANSWERS- Any single trucks should be +/-25°
Average of 5 trucks should be +/-15°
Gyratory Specimens should be cooled to what temperature? -
CORRECT ANSWERS- 77 +/-9°F
What is the process for drying cores? - CORRECT ANSWERS- In
the core dryer. Weighing each time until the weight lost is less
than 0.5 grams
When cooled the GMM samples should be no bigger than? -
CORRECT ANSWERS- 1/4"
(Stones that are bigger than 1/4" are excluded)
When the Orbital Shaker time is up and pressure is released for
the GMM how long do the samples sit? - CORRECT ANSWERS- 10
+/- 1 minute
When do you fill the flasks for the GMM with water? - CORRECT
ANSWERS- Before the 9 minute mark while sitting
When do you cap the flasks for the GMM samples and weigh
them? - CORRECT ANSWERS- After 9 minutes has been reached
on the timer and not to exceed 11 minutes
