Surface preparation and masking

Adhesion promoting primers are typically required on:

• Bare steel.

• Polyolefin plastic.

• Bare aluminum.

• Nonpolyolefin plastic.

Self-etching primer:

• Requires sanding.

• Contains acid.

• Is applied to bare plastic.

• Builds up on the surface.

Which of these is commonly made from flexible plastic?

• Knee bolster

• Bumper cover

• Fender

• Interior trim

Technician A says that the paint code for the door­ jamb may not be the same as the exterior color.

Technician B says that the refinish material for the doorjamb may be single-stage.

Who is right?

• A only

• B only

• Both

• Neither

Masking or removing parts may be dependent upon all of these EXCEPT:

• Access.

• Warranty.

• Location.

• Color.

OEM paint film thickness is about:

• 4-6 mils.

• 10-12 mils.

• 7-9 mils.

• 1-2 mils.

Scuffing will _______ the clearcoat.

Which of these interior parts should not be refinished?

• 
  Center console

• Airbag cover

• 
  Door panel

• Overhead console

Which of these should be used to fill scratches?

• Self-etching primer

• Wash primer

• 
  Epoxy primer

• Primer-surfacer

Which of these is the correct spray pattern overlap?

• 75%

• 
  30%

• 
  90%

• 50%