Asphalt 1 Test Review Exam
Questions with Complete
Solutions
A thin layer of mix will cool at the same rate whether it is sunny or cloudy - -
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 - -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
- -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 - -True
- An extremely high paver speed - more than ______, for thick lift, may cause
a lack of responsiveness of the screed - -83 feet per minute
- Butt joints are acceptable when traffic will not pass over the joint prior to
the next paving operation - -True
- Durang, rolling, rolling wheels, are kept moist with water, and only enough
fuel oil to avoid picking up material - -False
- Elimination of segregation is the responsibility of - -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 - -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 - -7 to
8
, - If the mat is being laid down at a facer rate, then it can be rolled, the
solution should be to ______ - -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 - -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 - -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 - -
5
- Cold lane - -A previously paved lane
- Hot lane - -A lane being currently placed
- Joint overlap - -The width, that the hot lane overlaps the cold lane
- The low-density areas on radiographic image are created by - -This area is
typically at the outer edge of the cold lane taper in the joint overlap area
- Extra material for compression - -The material beyond the anticipated,
final mat thickness
- Put the typical compaction train in order - -Screed.
Breakdown roller
Intermediate roller.
Finish roller.
Traffic
- Indentations that remain in the surface of the mix after the rolling has
been completed, are called roller marks - -True
Questions with Complete
Solutions
A thin layer of mix will cool at the same rate whether it is sunny or cloudy - -
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 - -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
- -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 - -True
- An extremely high paver speed - more than ______, for thick lift, may cause
a lack of responsiveness of the screed - -83 feet per minute
- Butt joints are acceptable when traffic will not pass over the joint prior to
the next paving operation - -True
- Durang, rolling, rolling wheels, are kept moist with water, and only enough
fuel oil to avoid picking up material - -False
- Elimination of segregation is the responsibility of - -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 - -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 - -7 to
8
, - If the mat is being laid down at a facer rate, then it can be rolled, the
solution should be to ______ - -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 - -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 - -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 - -
5
- Cold lane - -A previously paved lane
- Hot lane - -A lane being currently placed
- Joint overlap - -The width, that the hot lane overlaps the cold lane
- The low-density areas on radiographic image are created by - -This area is
typically at the outer edge of the cold lane taper in the joint overlap area
- Extra material for compression - -The material beyond the anticipated,
final mat thickness
- Put the typical compaction train in order - -Screed.
Breakdown roller
Intermediate roller.
Finish roller.
Traffic
- Indentations that remain in the surface of the mix after the rolling has
been completed, are called roller marks - -True
