Exam Questions and CORRECT Answers
A thin layer of mix will cool at the same rate whether it is sunny or cloudy - CORRECT
ANSWER - False
A transverse joint should be compacted in the longitudinal direction unless the roller cannot
compact the joint because site restriction then it is permissible to be compacted transversely -
CORRECT ANSWER - False
An approximate "rule of thumb" is for every _______ percent increase in air voids above (6 to
7%) about _______ percent of the pavement life may be loss - CORRECT ANSWER -1
and 10
An end plate (or end gate or edger plate) is attached to the end of the screed to restrict the
outward movement of the mix around the end of the screed - CORRECT ANSWER - True
An extremely high paver speed - more than ______, for thick lift, may cause a lack of
responsiveness of the screed - CORRECT ANSWER - 83 feet per minute
Butt joints are acceptable when traffic will not pass over the joint prior to the next paving
operation - CORRECT ANSWER - True
Durang, rolling, rolling wheels, are kept moist with water, and only enough fuel oil to avoid
picking up material - CORRECT ANSWER - False
Elimination of segregation is the responsibility of - CORRECT ANSWER - Those who
produce and lay assault mix
State Highway Departments who approve the design of the mix and inspect the final product
, Manufacturers who designed the market machinery for the paving industry.
For asphalt mixes, it can be expected that approximately ______ to _____ percent of the
theoretical maximum density of the mix will be realized in the mix when it passes out from
under a vibratory paver screed - CORRECT ANSWER - 70 to 80
If the air voids are above ______ percent for a SM-9.5A, the mix will be permeable to air and
water, and will not have the required durability - CORRECT ANSWER - 7 to 8
If the mat is being laid down at a facer rate, then it can be rolled, the solution should be to
______ - CORRECT ANSWER - Slow down the paver
Use larger, wider rollers.
Use more rollers
If traffic will pass over the end of the paving, a butt joint will be permitted, provided proper
compaction is achieved - CORRECT ANSWER - False
If traffic will pass over the transverse joint, constructive slubbed wage, at least_____feet per inch
of pavement depth, ahead of end of the full debt payment to provide for proper compassion and
protection of the full depth pavement - CORRECT ANSWER -3
It typically takes ___t ow lengths (the length between the toe point, and the screed) after a
desired level is input for a screed to arrive at the new level - CORRECT ANSWER -5
Cold lane - CORRECT ANSWER - A previously paved lane
Hot lane - CORRECT ANSWER - A lane being currently placed