CCIL Asphalt and Aggregate 2

Question 1

Which ASTM standard governs the determination of flash and fire points of bituminous materials using the Cleveland Open Cup method?

Accepted Answer

ASTM D92

Answer

ASTM D92 covers the Cleveland Open Cup method for determining flash and fire points of petroleum products including bituminous materials.

Question 2

In the Marshall mix design method, what term describes the load required to produce failure in a compacted asphalt specimen?

Accepted Answer

Stability

Answer

Marshall Stability is the maximum load a compacted asphalt specimen can resist before failing under the Marshall testing apparatus.

Question 3

What does the term 'VMA' stand for in asphalt mix design terminology?

Accepted Answer

Voids in Mineral Aggregate

Answer

VMA (Voids in Mineral Aggregate) represents the total void space between aggregate particles in a compacted paving mixture, including air voids and asphalt binder.

Question 4

Which test method is used to measure the elongation index of coarse aggregate according to Canadian standards?

Accepted Answer

CSA A23.2-13A

Answer

CSA A23.2-13A is the Canadian standard test method for determining the elongation index of coarse aggregate particles.

Question 5

At what temperature range is polymer-modified asphalt (PMA) typically stored to prevent phase separation?

Accepted Answer

140–160°C

Answer

Polymer-modified asphalt is typically stored at 140–160°C with agitation to prevent polymer settling and phase separation.

CCIL - Canadian Council of Independent Laboratories Practice Test

CCIL - Canadian Council of Independent Laboratories Practice Test

CCIL Asphalt and Aggregate 2