Cert III Refinishing Practice Questions - Certificate III in Automotive Refinishing Technology (AUR32420) Exam - Cert III Refinishing Practice Questions - Certificate III in Automotive Refinishing Technology (AUR32420) Exam

Question 1

Which type of primer should be applied directly to bare steel to ensure the best corrosion resistance and adhesion?

Waterborne basecoat High-build acrylic primer Wash primer Epoxy primer

Correct Answer:

Epoxy primer

Question 2

What is the primary purpose of using a solvent-based wax and grease remover prior to sanding a vehicle panel?

To act as a guide coat during block sanding To chemically etch the surface for better mechanical adhesion To prevent grinding contaminants into the substrate sanding scratches To increase the paint thickness of the substrate

Correct Answer:

To prevent grinding contaminants into the substrate sanding scratches

Question 3

Which of the following is critical when preparing bare aluminum panels for refinishing compared to steel panels?

Use heavy-duty wire brushes to create a deep mechanical profile Wash the aluminum surface with a strong sodium hydroxide solution Use only dedicated aluminum abrasives and clean tools to prevent cross-contamination Apply polyester body filler directly to the raw aluminum without priming

Correct Answer:

Use only dedicated aluminum abrasives and clean tools to prevent cross-contamination

Question 4

What prep step is required on raw polypropylene (PP) plastic bumpers to ensure subsequent coatings adhere?

Etch the plastic with phosphoric acid solution Sand the surface using coarse 80-grit sandpaper to create a rough profile Apply a heavy coat of standard metal epoxy primer Apply a dedicated plastic adhesion promoter after thorough cleaning and scuffing

Correct Answer:

Apply a dedicated plastic adhesion promoter after thorough cleaning and scuffing

Question 5

How can a technician identify if an unmarked plastic panel is a polyolefin (e.g., PP) or a non-polyolefin (e.g., ABS) using a float test?

Place a drop of solvent on the plastic; polyolefins will float or repel the solvent droplet Submerge the plastic in water; if it sinks rapidly, it is a polyolefin Heat the plastic with a hot air gun; polyolefins will float away as liquid vapor Cut a small piece of the plastic and see if it floats in water; polyolefins float because their density is less than 1.0 g/cm³

Correct Answer:

Cut a small piece of the plastic and see if it floats in water; polyolefins float because their density is less than 1.0 g/cm³

Exam overview

About this Exam

Prepare with the Cert III Refinishing Practice Questions - Certificate III in Automotive Refinishing Technology (AUR32420) Exam practice quiz. This question bank includes 100 questions covering paint, spray, standard, panel, and vehicle. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Cert III Refinishing Practice Questions - Certificate III in Automotive Refinishing Technology (AUR32420) Exam

This practice set contains 100 questions from the matching question bank and focuses on paint, spray, standard, panel, and vehicle. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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About this Exam

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Cert III Refinishing Practice Questions - Certificate III in Automotive Refinishing Technology (AUR32420) Exam

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