QUESTIONS WITH CORRECT ANSWERS 2025-
2026
Asphalt binder CORRECT ANSWER modified and unmodified asphalt cements
Asphalt cement CORRECT ANSWER
Dark brown or black cementitious material in which the predominant constituents are compon
ents that occur in nature or are obtained in petroleum processing. NOT modified
Asphaltenes CORRECT ANSWER
A fraction of asphalt cement that is large in molecular size and highly polar. When searated, da
rk brown solid.
Blown Asphalt CORRECT ANSWER
Asphalt Cement that has been oxidized and hardened by passing air through at an elevated te
mperature
Certificate of Analysis (COA) CORRECT ANSWER
A document issued by the supplier of the asphalt binder certifying that the asphalt binder mee
ts the appropriate specification requirements
Cross-Link CORRECT ANSWER
process by which many small molecules combine to form a single large molecule
Elastomers CORRECT ANSWER
a natural or synthetic polymer having elastic properties, e.g., rubber. Recover size and shape af
ter removal of a deforming force
Fractional distillation CORRECT ANSWER
process of separating a volatile liquid into fractions based on its boiling point
, HMAC CORRECT ANSWER Hot-Mix Asphalt Concrete
Long Crude CORRECT ANSWER
The residue from atmospheric distillation. (whats left after the first fractional distillation
Morphology CORRECT ANSWER Implying the molecular structure of an asphalt binder
oils CORRECT ANSWER
A very fluid( low viscosity ) somtimes colorless fraction of asphalt cement that is non-polar
Plastomers CORRECT ANSWER asphalt cement modifiers that are plastic-
like. typically solid at room temp and melt when added to asphalt cement at mixing temperatu
res.
Resins CORRECT ANSWER
the largest fraction of an asphalt cement, when separated dark in color highly viscous and pola
r
Short Crude CORRECT ANSWER Residue from a vacuum distillation
Compression CORRECT ANSWER
implies compressing, pushing, or shortening. occurs when load is applied parallel to the directi
on of displacement
Consistency CORRECT ANSWER
the resistance of a material to deformation (strain) caused by the application of force( stresses)