While having a discussion, Tech A says that the term rustout refers to corrosion that has had time to penetrate completely through the steel panel. Tech B says that rustout is an early state of corrosion that has not penetrated the steel panel. Who is correct?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
a. A only
_______is a heavy bodies plastic material that cures very hard for filling small dents in metal.
a. guide coat
b. body filler
c. plastic filler
d. Both b and c
d. Both b and c
Which of the following statements is LEAST likely true?
a. A lightweight air grinder is ideal for doing minor rust repair
b. Metal conditioner is an acid compound that neutralizes microscopic rust particles.
c. Sandblasting or plastic media blasting should not be used in place of disc and die grinding.
d. Rust can form on either side of a metal panel
c. Sandblasting or plastic media blasting should not be used in place of disc and die grinding.
What type of spot putty should be used to cure quickly and prevent shrinkage when drying time is limited?
a. one part
b. two part
c. lacquer based
d. enamel based
b. two part
Tech A uses a body file to initially level high spots in body filler. Tech B says to use a high speed grinder first. Who is correct?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
a. A only
Tech A says that body filler goes over the metal before applying self etching primer or primer surfacer. Tech B says you should apply spot putty before spraying on sealer and paint or top coat. Who is correct?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
c. Both A and B
_______results when you use too much hardener for the amount of filler.
a. Filler overcatalyzation
b. The filler stays moist
c. The filler turns green
d. None of the answers are correct.
a. Filler overcatalyzation
Which of the following statements is LEAST likely true?
a. Never apply body filler directly to a conditioned metal surface.
b. Wearing rubber gloves when handling rust deactivator and metal conditioners is optional.
c. Always wear a dust mask while working with body fillers.
d. In professional collision repair, it is not acceptable to cover rust holes with waterproof fiberglass reinforced body filler.
b. Wearing rubber gloves when handling rust deactivator and metal conditioners is optional.
Fiberglass fillers are
a. waterproof
b. available in 10 basic forms
c. used to bridge large rustouts
d. all answers are correct.
a. waterproof
The first step in repairing nicks is
a. Sanding the ragged edges of the paint to a smooth surface
b. featheredging
c. Dewaxing
d. Both A and B
e. None of the above
c. Dewaxing
Tech A says that short hair fiberglass has tiny particles of fiberglass in it. It sands a little harder than a conventional filler but is much stronger. Tech B says that Long hair fiberglass has long strands of fiberglass for even more strength. It's not waterproof and easier to sand than short hair fiberglass. Who is correct?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
a. A only
_______is done with a coarse body file to remove high spots or edges that stick up on the freshly applied filler.
a. buffing
b. filler grating
c. featheredging
d. spot filling
b. filler grating
A(n) _____has offset rollers that will bend and fold the edge of the panel down lower.
a. Side sill
b. hood prop tool
c. blind rivet
d. Panel recessing tool
d. Panel recessing tool
Lightweight fillers have improved
a. filing characteristics
b. sanding characteristics
c. water resistance
d. all of the above
b. sanding characteristics
Once a ding has been properly filled and leveled, Tech A uses a dual action sander to featheredge the surrounding paint edges. Tech B uses a block sander. Who is correct?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
c. Both A and B
Tech A says its common practice to use cardboard as a mixing board filler since its porous and contains waxes for waterproofing. Tech B. says cardboard fibers can stick in the filler and strengthen the finish. Who is correct?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
d. Neither A nor B
____body filler is done by sanding the repair so that the perimeter of the repair area is flush with unrepaired surfaces.
a. filler grating
b. featheredging
c. buffing
d. toning
b. featheredging
A(n) _____is a thin layer of a different color primer or a special powder applied to a repair area.
a. filler overcatalyzation
b. self etching primer
c. guide coat
d. tinted body filler
c. guide coat
Tech A says that plastic body filler is commonly used to final straighten sheet metal damage. Tech B says that lead is commonly used in place of plastic body filler. Who is correct?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
a. A only
Metal conditioner is
a. an acid compound
b. used to etch the metal surface
c. used to neutralize rust
d. Both A and B
e. All of the above
d. Both A and B
Tech A uses body filler over rust holes in body panels. He says it works well to save time. Tech B welds in a repair panel after cutting out the rust damage. Who is correct?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
b. B only
Which of the following is LEAST likely a result of improper and inadequate body filler mixing?
a. runs and sags during application
b. gummy condition when sanded
c. rampant pinholing
d. strong color holdout
d. strong color holdout
Which of the following is a potential advantage of using a powder guide coat?
a. Saving time because no drying time is needed as with a spray on guide coat.
b. No solvents are sprayed in the air so its more environmentally friendly.
c. It works well with dry and water sanding
d. All answers are correct.
d. All answers are correct.
If too little hardener is used, the filler
a. will not adhere to the metal
b. will be subject to rampant pinholing
c. will be easier to handle
d. None of the above
a. will not adhere to the metal
Put the following statements in the correct order as they occur:
____Mark around the area to be replaced and then cut it out with a cutoff tool, power cutter, or plasma arc cutter.
_____Grind or blast off the paint and primer
_____Fit and clamp the repair piece into place in the hole
______MIG weld the metal patch
_____Use the cutout piece of metal as a template to make a new repair piece
1. Grind or blast off the paint and primer
2. Mark wound the area to be replaced and then cut it out with a cutoff tool, power cutter, or plasma arc cutter.
3. use the cutout piece of metal as a template to make a new repair piece.
4. Fit and clamp the repair piece into place in the hole.
5. MIG weld the metal patch