Q.1
Technician A says that chip-resistant coating may be applied before the topcoat during repairs.Technician B says that chip-resistant coating may be applied over the topcoat during repairs.Who is right?
  • A only
  • B only
  • Both A & B
  • Neither A nor B
Q.2
Which of these primers may contain zinc?
  • Epoxy
  • Self-etching
  • Weld-through
  • Wash
Q.3
Technician A says that it is generally recommended to apply undercoating to the bottom of the fuel tank.Technician B says that it is generally recommended to apply undercoating to the exhaust system.Who is right?
  • A only
  • B only
  • Both A & B
  • Neither A nor B
Q.4
All of these are true about anti-corrosion compounds EXCEPT that they:
  • are applied inside aluminum cavities
  • should be cleared from drain holes
  • are usually topcoated
  • have self-healing capabilities
Q.5
Technician A says that one purpose for heavy-bodied seam sealers is for vertical joints.Technician B says that one purpose of a seam sealer is to prevent fumes from entering the passenger compartment.Who is right?
  • A only
  • B only
  • Both A & B
  • Neither A nor B
Q.6
Coating of Zn, Al and Cd on steel are _________ , because their electrode potentials are lower
  • Cathodic
  • Anodic
  • Not affecting
  • Expensive
Q.7
Technician A says that some undercoating material is water-based.Technician B says that undercoating is applied to a muffler heat shield.Who is right?
  • A only
  • B only
  • Both A & B
  • Neither A nor B
Q.8
Technician A says that acid rain is a corrosion promoter.Technician B says that heat during GMA (MIG) welding is a corrosion promoter.Who is right?
  • A only
  • B only
  • Both A & B
  • Neither A nor B
Q.9
Technician A says that self-etching primer is required before applying epoxy primer.Technician B says both mechanical and chemical cleaning is required before applying epoxy primer.Who is right?
  • A only
  • B only
  • Both A & B
  • Neither A nor B
Q.10
Which of these usually requires the zinc coating to be removed on the entire flange?
  • Spot welds
  • GMA (MIG) plug welds
  • MIG brazing
  • Panel bonding
Q.11
Which of the following statement is TRUE regarding Anodic and Cathodic reactions?
  • Both reactions take place simultaneously
  • Both reactions take place one after another
  • Both reactions must occur at a different rate
  • Both reactions must occur at a fast rate
Q.12
Technician A says that when preparing aluminum parts, body hammers should be kept separate from those used for steel.Technician B says that when preparing bare aluminum parts, oxidation begins to form again after a couple of days.Who is right?
  • A only
  • B only
  • Both A & B
  • Neither A nor B
Q.13
Technician A says that the basecoat may be applied directly over a self-etching primer.Technician B says that the acid in self-etching primer neutralizes as it dries.Who is right?
  • A only
  • B only
  • Both A & B
  • Neither A nor B
Q.14
Which of these is a characteristic of weld-through primer?
  • Heat resistant
  • Etches into the metal
  • Must be wet for best performance
  • May be a two-part product
Q.15
Technician A says that some vehicle makers do NOT apply undercoating to the floor pan.Technician B says that some vehicle makers do NOT apply anti-corrosion compound to interior cavities.Who is right?
  • A only
  • B only
  • Both A & B
  • Neither A nor B
Q.16
Which of these should be done to determine if a replacement part has E-coat?
  • Sand and check for a dusty residue
  • Wipe with solvent and check for pain transfer
  • Wipe with denatured alcohol and check for paint transfer
  • Heat with a heat gun and check for softening of the finish
Q.17
Technician A says that it may be necessary to treat the backside for corrosion at anchor clamp sites.Technician B says that it may be necessary to treat the backside for corrosion where paintless dent repairs were done.Who is right?
  • A only
  • B only
  • Both A & B
  • Neither A nor B
Q.18
Technician A says that the presence of E-coat on replacement parts should be tested by lightly sanding.Technician B says that the presence of E-coat on replacement parts should be tested with a mild soap and water solution.Who is right?
  • Both A & B
  • Neither A nor B
  • A only
  • B only
Q.19
Technician A says that OEM service parts are E-coated similar to assembly line parts.Technician B says that OEM service parts may be E-coated using an outside supplier.Who is right?
  • A only
  • B only
  • Both A & B
  • Neither A nor B
Q.20
Technician A says that solvent-based seam sealers should be restricted from use in the passenger compartment.Technician B says that direct-to-metal seam sealers may be applied over minor corrosion.Who is right?
  • A only
  • B only
  • Both A & B
  • Neither A nor B
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