CCIL Asphalt Mix Compliance Testing 2

Question 1

Which AASHTO standard governs the determination of the maximum specific gravity of asphalt mixtures (Gmm)?

Accepted Answer

AASHTO T 209

Answer

AASHTO T 166

Answer

AASHTO T 308

Answer

AASHTO T 275

Question 2

What is the primary purpose of the Hamburg Wheel-Track Test in asphalt mix compliance?

Accepted Answer

Evaluate rutting and moisture susceptibility

Answer

Determine air void content

Answer

Measure tensile strength

Answer

Assess aggregate gradation

Question 3

When calculating Voids in the Mineral Aggregate (VMA), which bulk specific gravity value is used for the aggregate?

Accepted Answer

Bulk specific gravity (Gsb)

Answer

Apparent specific gravity (Gsa)

Answer

Effective specific gravity (Gse)

Answer

Maximum theoretical specific gravity (Gmm)

Question 4

In the context of CCIL accreditation for asphalt testing, which parameter defines the acceptable range of air voids for Superpave design traffic levels?

Accepted Answer

4% at design gyrations

Answer

2% to 6%

Answer

3% to 5%

Answer

1% to 7%

Question 5

Which test method is used to determine the asphalt binder content by ignition in compliance testing?

Accepted Answer

Both AASHTO T 308 and ASTM D6307

Answer

ASTM D2172

Answer

AASHTO T 308

Answer

ASTM D6307

Question 6

What does the term 'dust-to-binder ratio' (P0.075/Pbe) indicate in asphalt mix design?

Accepted Answer

Ratio of total fines to effective binder content

Answer

Ratio of total aggregate to binder volume

Answer

Ratio of coarse to fine aggregate

Answer

Ratio of air voids to binder film thickness

Question 7

During compaction with the Superpave gyratory compactor, what angle of gyration is specified per AASHTO M 323?

Accepted Answer

1.16°

Answer

1.00°

Answer

1.25°

Answer

2.00°