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WorksheetsLv.3 Types of paint finishes and substrates
Total questions: 20
Worksheet time: 10mins
What is a common method to distinguish between 1K and 2K paint systems?
Magnet test
Solvent wipe test
VIN plate check
Paint thickness gauge
Which of the following is a characteristic of 2K paint?
Air-dried
Requires hardener
Water-based
Used only for plastics
What does OEM paint typically refer to?
Paint used in aftermarket repairs
Paint used for plastic bumpers
Original paint applied by the vehicle manufacturer
Paint used for custom finishes
Which test can help identify if a paint is 1K or 2K?
Scratch test
Solvent wipe test
Heat test
Magnet test
What is a visual indicator of a clear over base (COB) paint system?
Single solid colour
Matte finish
Satin finish
Metallic or pearlescent effect
Which substrate is non-magnetic and lightweight?
Steel
Plastic
Aluminium
Fiberglass
What is the best method to identify plastic substrates?
Solvent wipe test
VIN plate
Identification code on the part
Spark test
Which substrate is most likely to rust if not protected?
Aluminium
Plastic
Carbon fiber
Steel
What is the purpose of the solvent wipe test?
To clean the surface
To remove wax
To identify the paint type
To test adhesion
What does the colour of flatting sludge indicate?
Paint thickness
Paint type
Substrate type
Paint age
Which of the following is a typical OEM finish?
1K acrylic
High bake enamel
Cellulose finish
Polyurethane
Which substrate is the most flexible?
Steel
Aluminium
Plastic
Zinc-coated steel
Which of the following is NOT a method for identifying vehicle paint finishes?
VIN plate
Solvent wipe test
Paint mixing ratio
Colour of flatting sludge
What is the main reason for identifying the substrate before refinishing?
To choose the correct masking tape
To determine the correct undercoat
To select the right spray gun
To estimate the drying time
Which substrate requires adhesion promoters before painting?
Steel
Aluminium
Plastic
Zinc-coated steel
What is the typical appearance of a 1K paint after solvent wipe?
No change
Softens or dissolves
Becomes glossy
Turns white
Which of the following is a property of aluminium as a substrate?
Magnetic
Prone to rust
Lightweight and corrosion resistant
Requires no surface preparation
What is the purpose of identifying paint defects?
To match the colour
To determine the substrate
To select the correct repair method
To choose the spray booth bake temperature
Which of the following is a common paint defect?
Bridging
Welding
Masking
Sanding
What is the correct procedure after identifying a paint defect?
Apply topcoat
Clean and protect the area
Skip to polishing
Apply wax
