FDOT Asphalt Plant Level 1 Ques ons and answers
Newest RATED A+ 2025/2026
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
Required amount of mix for Gmm (rice) samples? - Correct Answers 2000-2200g total or
1000-1100 grams individually for two flasks
Required amount of mix for igni,on samples? - Correct Answers Depends on the mix. SP & FC
5, 9.5, 12.5 are 1500g. SP 19 is 2000g
Asphalt burns off at what temp - Correct Answers 538°C (1000°F)
The furnace must be capable of what temperature - Correct Answers 650°C (1200°F)
Flasks should be calibrated at what temperature and how o9en? - Correct Answers 77 +/ 2°F
of water and once a month or >0.4 grams of dry weight
How many parts of we=ng agent to water - Correct Answers 1ml we=ng agent to 1000ml
water
The vacuum applied to flasks for GMM - Correct Answers 30 +/- 2mm
Vacuum pressure for GMM must be reached within - Correct Answers 2 minutes
The Orbital Shaker must oscillate at - Correct Answers 270 +/- 10 rpms
, The vacuum and oscilla,ng test for GMM then con,nues for how long when it reaches target
pressure - Correct Answers 15 +/- 2minutes
Gyratory compac,on angle is - Correct Answers an internal angle of 1.16 +/- .02 degrees
Ram pressure for gyratory compac,on is - Correct Answers 600 +/- 18 kpA perpendicular to
the axis
RPM the gyratory compactor operates at - Correct Answers 30 +/- .5 gyra,ons a minute
Gyratory (GMB) and Rice (GMM) samples must be condi,oned at what temp and for how long -
Correct Answers compac,on temp +/- 9 for 1 hour +/- 5minutes and mix should be within +/-
20° of compac,on temp
The mold and base plate for the gyratory compactor should be in the oven for how long -
Correct Answers 30 to 60 minutes
Target specific height for pills - Correct Answers 115.0mm +/- 5mm
How do you determine aggregate is dry? - Correct Answers Weigh the material every 15
minutes when it has lost less than 0.5 grams is it considered dry
Bulk specific gravity (pill) water weight is determined a9er - Correct Answers 4 +/- 1 minute
When the pill is removed from the water it should be bloDed and weighed in what ,me and
how - Correct Answers 5 seconds with a top and bot flip and then a roll roll
The towel should be damp
Newest RATED A+ 2025/2026
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
Required amount of mix for Gmm (rice) samples? - Correct Answers 2000-2200g total or
1000-1100 grams individually for two flasks
Required amount of mix for igni,on samples? - Correct Answers Depends on the mix. SP & FC
5, 9.5, 12.5 are 1500g. SP 19 is 2000g
Asphalt burns off at what temp - Correct Answers 538°C (1000°F)
The furnace must be capable of what temperature - Correct Answers 650°C (1200°F)
Flasks should be calibrated at what temperature and how o9en? - Correct Answers 77 +/ 2°F
of water and once a month or >0.4 grams of dry weight
How many parts of we=ng agent to water - Correct Answers 1ml we=ng agent to 1000ml
water
The vacuum applied to flasks for GMM - Correct Answers 30 +/- 2mm
Vacuum pressure for GMM must be reached within - Correct Answers 2 minutes
The Orbital Shaker must oscillate at - Correct Answers 270 +/- 10 rpms
, The vacuum and oscilla,ng test for GMM then con,nues for how long when it reaches target
pressure - Correct Answers 15 +/- 2minutes
Gyratory compac,on angle is - Correct Answers an internal angle of 1.16 +/- .02 degrees
Ram pressure for gyratory compac,on is - Correct Answers 600 +/- 18 kpA perpendicular to
the axis
RPM the gyratory compactor operates at - Correct Answers 30 +/- .5 gyra,ons a minute
Gyratory (GMB) and Rice (GMM) samples must be condi,oned at what temp and for how long -
Correct Answers compac,on temp +/- 9 for 1 hour +/- 5minutes and mix should be within +/-
20° of compac,on temp
The mold and base plate for the gyratory compactor should be in the oven for how long -
Correct Answers 30 to 60 minutes
Target specific height for pills - Correct Answers 115.0mm +/- 5mm
How do you determine aggregate is dry? - Correct Answers Weigh the material every 15
minutes when it has lost less than 0.5 grams is it considered dry
Bulk specific gravity (pill) water weight is determined a9er - Correct Answers 4 +/- 1 minute
When the pill is removed from the water it should be bloDed and weighed in what ,me and
how - Correct Answers 5 seconds with a top and bot flip and then a roll roll
The towel should be damp
