FDOT ASPHALT PAVING LEVEL 2 EXAM NEWEST
ACTUAL EXAM COMPLETE 100 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+|| LATEST EXAM!!!
Determining a Target asphalt spread rate for non FC-5
mixes - ANSWER-target spread rate = thickness x gmm
(from mix design) x 43.3
(round to the nearest whole number)
What is the tolerance for the asphalt spread rate target? -
ANSWER-+- 5%
How do you calculate the tolerance for the asphalt spread
rate target? - ANSWER-Ex: Target Spread Rate = 165
lb/syds
165 x 0.05 (%5) = 8 lb/syd
Then you use the 8 as a + or - from 165 so the range is
from 157 to 173 lbs/syd
Formula for determining the asphalt spread rate for an FC-
5 mix? - ANSWER-target spread rate = thickness x gsb
(from mix design) x 40.5
(round to the nearest whole number)
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A prime coat being used on lime rock, sand-clay, shell, and
shell stabilized based have an application rate of what? -
ANSWER-Limerock: greater than or equal to 0.10 gal/syd
Sand-Clay, Shell, Shell Base: greater than or equal to 0.15
gal/syd
You do not test overbuild for density unless it is? -
ANSWER-Greater than one inch
Where do you find approved tack products? - ANSWER-
On the FDOT Approved products list (APL)
During night what is the tack you usually use? - ANSWER-
PG 52-28 or an approved emulsion
What tack an you use during the day? - ANSWER-Any
kind of tack
When determining the specification rate for 52-28 tack you
do what? - ANSWER-Multiply the rate by 0.6
What is the tack application rate tolerance? - ANSWER-+/-
0.01 gal/syd
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Step 1 for figuring the tack spread rate - ANSWER-Find
the length of the tack shot
Station - station = ft
Step 2 for figuring the tack spread rate - ANSWER-Find
the square yards
feet x width / 9 = syds
What are PG binders tested for high temperature wise? -
ANSWER-A 7 day max pavement temp of 67C
What are PG binders tested for low temperature wise? -
ANSWER--22C
Friction course has what PG binders in its makeup? -
ANSWER-PG 76-22 (PMA)
PG 76-22 (ARB)
PG 82-22 (PMA)
Asphalt cement does what while hot? - ANSWER-Acts as
a lubricant