CTQP Asphalt Paving Inspection

Question 1

What is the primary purpose of a tack coat in asphalt pavement construction?

Accepted Answer

To provide a bond between existing and new asphalt layers

Answer

To waterproof the underlying pavement layer

Answer

To fill surface cracks before paving

Answer

To cool the pavement surface prior to compaction

Question 2

What temperature range is typically required for Superpave asphalt mix at the point of delivery?

Accepted Answer

275°F to 350°F

Answer

225°F to 275°F

Answer

275°F to 325°F

Answer

200°F to 250°F

Question 3

What does 'mat temperature' refer to in asphalt paving inspection?

Accepted Answer

The temperature of the asphalt mix immediately behind the paver screed

Answer

The temperature of the subgrade beneath the asphalt

Answer

The ambient air temperature during paving operations

Answer

The temperature of the asphalt drum at the plant

Question 4

What is the minimum pavement temperature at which asphalt compaction must be completed per FDOT specifications?

Accepted Answer

175°F

Answer

185°F

Answer

165°F

Answer

155°F

Question 5

What type of roller is used for final compaction (finish rolling) of an asphalt mat?

Accepted Answer

Steel-wheel static roller or vibratory roller in static mode

Answer

Vibratory padfoot roller

Answer

Pneumatic tire roller

Answer

Rubber-tired compactor

Question 6

What does 'segregation' mean in the context of asphalt paving?

Accepted Answer

Non-uniform distribution of aggregate sizes in the asphalt mat

Answer

Separation of traffic lanes during paving operations

Answer

The process of separating reclaimed asphalt from new mix

Answer

Cracking caused by temperature differences