Questions and Answers
100% Verified Graded A+
1. A composite material that is prepared in a hot-mix plant and used for con-
struction of highway, parking lot, or airfield pavements capable of supporting
high traffic volumes and axle loads.
Answer: Asphaltic concrete
2. A system that overrides the self-leveling action of the asphalt paver screed
and enables paving to a predetermined grade and slope, using either a rigid
or a mobile type reference.
Answer: Automatic screed controls
3. Filter system at an asphalt plant to capture fine dust particles.
Answer: Baghouse
4. The asphalt cement material in a paving mix used to bind the aggregate par-
ticles together, to prevent the entrance of moisture, and to act as a cushioning
agent.
, Answer: Binder
5. A layer of asphalt mix placed between the base and the surface courses in the
pavement structure.
Answer: Binder course
6. The initial compaction of the asphalt mix that takes place directly behind
the paver and is intended to achieve maximum density in the shortest time
frame.
Answer: Breakdown
7. The transverse inclination of a road way or other surface.
Answer: Cross-slope
8. The top surface layer of an asphalt pavement, usually less than 1 in. thick, to
improve skid resistance and smoothness.
Answer: Friction course
9. A wire or string erected at a specified grade and alignment that is used as a
reference for an automatic control system on a paver, a milling machine, or a fine-
grade machine (trimmer).
Answer: Grade or string line
10. Two long arms extending forward from each side of the asphalt paver screed
and attached to tow points on the tractor. This mechanical connection enables