Coating of Zn, Al and Cd on steel are _________ , because their electrode potentials are lower

The following metals would protect iron by electrons flowing to the iron is ... .

Which of the following statement is TRUE regarding Anodic and Cathodic reactions?

Is this an example of oxidation?

Galvanizing is a process of:

Technician A says that in preparation for welding, E-coat should be removed from the entire butt joint with backing insert.Technician B says that in preparation for welding, E-coat should be removed from the entire flange.Who is right?

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?

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?

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?

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?

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?

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?

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?

Which of these should be done to determine if a replacement part has E-coat?

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?

Anti-corrosion compound is typically applied:

Which of these is the most effective corrosion-inhibiting coating?

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?

All of these areas may have thick chip-resistant coating EXEPT the:

Which of these usually requires the zinc coating to be removed on the entire flange?

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?

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?

What is the name of positive electrode?

What is the chemical name given to Rust ?

Technician A says that vehicle makers may indicate where chip-resistant coating should be applied on a specific vehicle.Technician B says that product makers may indicate where chip-resistant coating should be applied on a specific vehicle.Who is right?

Technician A says that a way to prevent galvanic corrosion is to duplicate the original installation method.Technician B says that a way to prevent galvanic corrosion is to reuse coated bolts.Who is right?

What is the name of negative electrode?

What is oxidation?

Is the following equation an example of oxidation?Na + Cl ----> NaCl

Which of these is a characteristic of weld-through primer?