ASPHALT 1 TEST REVIEW QUESTIONS AND
ANSWERS
A thin layer of mix will cool at the same rate whether it's sunny or cloudy -
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 - 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 -
ANSWER 1 and 10
An end plate or end gate or edger plate is attached to the end of the screed to
restrain the mix's outward movement around the screed's end - ANSWER True
An extremely high paver speed - more than ______, for thick lift, may cause a
lack of responsiveness of the screed - ANSWER 83 feet per minute
Butt joints are acceptable when traffic will not pass over the joint prior to the
next paving operation - ANSWER True
Durang, rolling, rolling wheels, are kept moist with water, and only enough fuel
oil to avoid picking up material - ANSWER False
, Elimination of segregation is the responsibility of - 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 - 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 -
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 ______ - ANSWER Slow down the paver
Use larger, wider rollers.
Use more rollers
If traffic will cross over the end of the paving a butt joint will be allowed,
provided sufficient compaction is obtained- ANSWER False
ANSWERS
A thin layer of mix will cool at the same rate whether it's sunny or cloudy -
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 - 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 -
ANSWER 1 and 10
An end plate or end gate or edger plate is attached to the end of the screed to
restrain the mix's outward movement around the screed's end - ANSWER True
An extremely high paver speed - more than ______, for thick lift, may cause a
lack of responsiveness of the screed - ANSWER 83 feet per minute
Butt joints are acceptable when traffic will not pass over the joint prior to the
next paving operation - ANSWER True
Durang, rolling, rolling wheels, are kept moist with water, and only enough fuel
oil to avoid picking up material - ANSWER False
, Elimination of segregation is the responsibility of - 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 - 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 -
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 ______ - ANSWER Slow down the paver
Use larger, wider rollers.
Use more rollers
If traffic will cross over the end of the paving a butt joint will be allowed,
provided sufficient compaction is obtained- ANSWER False
