-2027 Actual Complete Real Exam Questions And Correct
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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)
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
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
Step 3 for figuring the tack spread rate - ANSWER -Use the
distributor chart to find the gallons used start 11/13 - 1319 gal
end 18/14 - 1140
gal
1319 - 1140 = gallons
used