Field Sampling and Testing of Asphalt Materials and Asphalt Mixtures Exam Questions & Answers (Grade A+).docx

Field Sampling and Testing of Asphalt
Materials and Asphalt Mixtures Exam
Questions & Answers (Grade A+)
AASHTO R-66 Definition -
correct answer ✅Liquid asphalt MATERIALs include Asphalt
Binder/Asphalt Cement and Asphalt Emulsion


AASHTO R-97 Definition -
correct answer ✅Asphalt MIXTURES include concrete or Hot Mix
Asphalt (HMA)


Asphalt Binder -
correct answer ✅-Asphalt cement
-High viscosity at ambient temperatures
-Upon heating, becomes liquid and can be mixed with aggregates to
produce HOT MIX ASPHALT (HMA)


Emulsified Asphalt -
correct answer ✅-Mixture of Asphalt Binder, water, and
emulsifying agent.
-Liquid at ambient temperature
-Primarily diluted and used for TACK COAT

, Field Sampling and Testing of Asphalt
Materials and Asphalt Mixtures Exam
Questions & Answers (Grade A+)
Emulsified Asphalt - Electrically Charged Particles -
correct answer ✅SS-1
SS-1h
CSS-1
CSS-1h


Anionic -
correct answer ✅Negative charge (SS)


Cationic -
correct answer ✅Positive charge (CSS)


Undiluted Emulsion Asphalt -
correct answer ✅Contains more asphalt (60%) per volume. (40%
water)


Diluted Emulsion Asphalt -
correct answer ✅Contains less asphalt (30%) per volume - Diluted
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