answers
A mechanical transfer vehicle shall perform additional mixing of the asphaltic
concrete mixtures and then deposit the mix into the pave hopper to: Ans✔✔✔-
reduce segregation
A roadway is being constructed of full depth asphaltic concrete. Payment for the
base course will be made by the yd^2. The contractor has completed 2,640 linear
feet of base and wants to begin placing binder course. Which of the following will
apply? Ans✔✔✔-The project engineer or certified inspector must have notified
the lab to take TR 602 measurements. These results must be known and any
corrections must be made before the contractor can begin placing subsequent
lifts
A taut piano wire which is stretched at a specified elevation (grade) along support
stakes next to a paving strip is known as a? Ans✔✔✔-erected string line
A transverse joint must be formed under which of the following circumstances?
Ans✔✔✔-when paving operations are discontinued long enough for the
temperature of the material being placed to fall below 250 degrees
After placing mix to form a transverse joint, the paver is allowed to move no more
than ____________ feet down the paving strip, but then must stop until the joint
is approved. Ans✔✔✔-100
An individual layer of asphalt is also called a ______________. Ans✔✔✔-lift
, Asphalt prime coat shall not be applied when the ambient temperature is less
than how many degrees Fahrenheit in the shade? Ans✔✔✔-35 degrees
Asphaltic concrete binder mixes shall not be applied when the ambient
temperature is below ___________________? Ans✔✔✔-40 degrees
Asphaltic surface treatment shall not be applied when the temperature in the
shade is less than how many degrees Fahrenheit? Ans✔✔✔-60 degrees
Below what ambient temperature is it no longer acceptable to place wearing
course? Ans✔✔✔-50 degrees
Does department policy require a DOTD representative to observe the coring
operation? Ans✔✔✔-Yes
For some super pave mixes a mid-temp tender zone has been identified for
compaction. Mix can be satisfactorily compacted above or below this range. The
range is: Ans✔✔✔-200 degrees - 240 degrees
For Stone Matrix Asphaltic Concrete mix, rolling shall be accomplished with steel
wheel rollers weighting a minimum of: Ans✔✔✔-10 tons
Hot mix asphalt shall not be applied on a wet surface or when the ambient
temperature is below ___________________________ for wearing course.
Ans✔✔✔-50 degrees
How far from the centerline must the longitudinal joint in the top layer of
pavement be if the roadway is 2 lanes wide? Ans✔✔✔-3-6 inches