PIC Inspection Standards & Quality Control 2

Question 1

When performing a mat density test using a nuclear gauge, the inspector must ensure the gauge is placed at least how far from any vertical obstruction?

Accepted Answer

12 inches

Answer

Nuclear density gauges must be placed at least 12 inches from any vertical obstruction to avoid backscatter interference that skews readings.

Question 2

Which AASHTO standard governs the method for determining the bulk specific gravity of compacted asphalt mixtures?

Accepted Answer

AASHTO T 166

Answer

AASHTO T 166 is the standard method for determining the bulk specific gravity of compacted bituminous mixtures using saturated surface-dry specimens.

Question 3

A paving inspector notices segregation in the mat behind the paver. Which action should be taken FIRST?

Accepted Answer

Notify the contractor and document the location

Answer

The first step is to notify the contractor and document the location so corrective action can be tracked and applied before more area is affected.

Question 4

What is the primary purpose of performing a ride quality (smoothness) measurement on a newly paved surface?

Accepted Answer

To ensure long-term pavement performance and user comfort

Answer

Ride quality measurements verify that the finished pavement surface meets smoothness specifications, which directly impacts long-term performance and driver comfort.

Question 5

During a tack coat inspection, the emulsion appears to have broken and dried to a brown color before the HMA overlay arrives. What is the correct action?

Accepted Answer

Notify the engineer and determine if reapplication is required

Answer

A tack coat that has dried completely may lose tackiness; the inspector must notify the engineer who will determine whether reapplication is necessary before paving.

(PIC) Paving Inspector Certification Practice Test

(PIC) Paving Inspector Certification Practice Test

PIC Inspection Standards & Quality Control 2