Asphalt 1 Test Review questions with verified
answers
A thin layer of mix will cool at the same rate whether it is sunny or cloudy
Ans✔✔✔-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 Ans✔✔✔-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
Ans✔✔✔-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
Ans✔✔✔-True
An extremely high paver speed - more than ______, for thick lift, may cause a lack
of responsiveness of the screed Ans✔✔✔-83 feet per minute
Butt joints are acceptable when traffic will not pass over the joint prior to the next
paving operation Ans✔✔✔-True
Durang, rolling, rolling wheels, are kept moist with water, and only enough fuel oil
to avoid picking up material Ans✔✔✔-False
, Elimination of segregation is the responsibility of Ans✔✔✔-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 Ans✔✔✔-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 Ans✔✔✔-7
to 8
If the mat is being laid down at a facer rate, then it can be rolled, the solution
should be to ______ Ans✔✔✔-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 Ans✔✔✔-False
answers
A thin layer of mix will cool at the same rate whether it is sunny or cloudy
Ans✔✔✔-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 Ans✔✔✔-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
Ans✔✔✔-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
Ans✔✔✔-True
An extremely high paver speed - more than ______, for thick lift, may cause a lack
of responsiveness of the screed Ans✔✔✔-83 feet per minute
Butt joints are acceptable when traffic will not pass over the joint prior to the next
paving operation Ans✔✔✔-True
Durang, rolling, rolling wheels, are kept moist with water, and only enough fuel oil
to avoid picking up material Ans✔✔✔-False
, Elimination of segregation is the responsibility of Ans✔✔✔-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 Ans✔✔✔-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 Ans✔✔✔-7
to 8
If the mat is being laid down at a facer rate, then it can be rolled, the solution
should be to ______ Ans✔✔✔-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 Ans✔✔✔-False
