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?
Q.2.
Which of these primers may contain zinc?
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?
Q.4.
All of these are true about anti-corrosion compounds EXCEPT that they:
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?
Q.6.
Coating of Zn, Al and Cd on steel are _________ , because their electrode potentials are lower
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?
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?
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?
Q.10.
Which of these usually requires the zinc coating to be removed on the entire flange?
Q.11.
Which of the following statement is TRUE regarding Anodic and Cathodic reactions?
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?
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?
Q.14.
Which of these is a characteristic of weld-through primer?
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?
Q.16.
Which of these should be done to determine if a replacement part has E-coat?
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?
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?
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?
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?