Asphalt Concrete Quiz#6 with 100% Verified solutions| Graded A+
Asphalt is following type of material: A. Elastic B. Viscous C. Viscoelastic D. Plastic - C. Viscoelastic How compaction density of asphalt is monitored during construction? A. Collecting samples and testing in lab B. Using nuclear density gauge C. Using infrared camera D. none of the above - B. Using nuclear density gauge Which asphalt product (emulsion or cutback) is more environmental-friendly? A. Asphalt cement B. Emulsion C. Cutback asphalt D. all of the above - B. Emulsion What is the benefit of cutback asphalt and emulsion over asphalt cement? A. EconomicalB. Applied at lower temperature C. Provides more strength D. none of the above - B. Applied at lower temperature Which of the followings in not one of the constituents of conventional asphalt? A. Aspaltenes B. Resins C. Polymer D. Oils - C. Polymer You perform a standard Penetration Test at 77oF (25oC) on a sample of asphalt cement submitted to your laboratory for Penetration grading. The needle penetrates the sample 9.2 mm. (a) What is the penetration value of the asphalt in "penetration units"? A. 0.92 B. 9.2 C. 92 D. 920 - C. 92 Which of the following binders will be more resistant to rutting and cracking for wider variation of temperatures? A. PG 64-22 B. PG 70-28 C. PG 58-22 D. PG 70-34 -
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