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- 1. Multiple Choice
One-sided damage to a polypropylene bumper cover may require all of these EXCEPT:
an adhesion promotor
a repair taper
a filler material
reinforcement tape
- 2. Multiple Choice
After sanding the filler during a one-sided SMC fender repair, the repair area should be:
cleaned with a vacuum
cleaned with solvent-based cleaner
washed with soap and water
coated with an adhesion promoter
- 3. Multiple Choice
Technician A says that conventional fiberglass repair material can be used to repair SMC.
Technician B says that pinning is used to strengthen repairs to fiber-reinforced plastic.
Who is right?
A only
B only
Both A and B
Neither A or B
- 4. Multiple Choice
Technician A says that backside plastic repair adhesive may sand easier than front side repair material.
Technician B says that some plastic repair adhesives may be used as plastic repair fillers.
Who is right?
A only
B only
Both A and B
Neither A or B
- 5. Multiple Choice
Technician A says that flexible-polyester filler designed for plastics may be used to repair minor imperfections and scratches.
Technician B says that flexible polyester filler designed for plastics may be used as an adhesive on the backside.
Who is right?
A only
B only
Both A and B
Neither A or B
- 6. Multiple Choice
All of these may cause adhesion problems with a polyolefin part EXCEPT:
applying heavy coats of adhesion promoter
using a solvent-based cleaner
using aluminum tape to align the repair
smearing the plastic when making a repair taper
- 7. Multiple Choice
Technician A says that cleaning the melt tube on an airless welder helps ensure the weld is not contaminated.
Technician B says that cleaning the shoe on an airless welder helps ensure that the heat setting is accurate.
Who is right?
A only
B only
Both A and B
Neither A or B
- 8. Multiple Choice
Technician A says that body fillers designed for metal may also be used when making plastic repairs.
Technician B says that adhesion promoter may be recommended before applying filler to a plastic part.
Who is right?
A only
B only
Both A and B
Neither A or B
- 9. Multiple Choice
All of these may be used during a plastic welding repair EXCEPT:
metal window screen
nylon window screen
aluminum body tape
a filler rod
- 10. Multiple Choice
Technician A says that a plastic fascia containing two ISO codes indicates a blend of two different plastics.
Technician B says that ISO codes are found on the front side of a plastic part.
Who is right?
A only
B only
Both A and B
Neither A or B
- 11. Multiple Choice
When performing a rod adhesion test, the rod to use should be the rod that:
melts
does not melt
sticks
is the same color
- 12. Multiple Choice
Technician A says that before applying adhesive from a dual-cartridge, the plungers should be leveled.
Technician B says that before applying adhesive from a dual-cartridge, a bead should be run through the static mixing tip.
Who is right?
A only
B only
Both A and B
Neither A or B
- 13. Multiple Choice
Technician A says that hot air welders may be used on a SMC part.
Technician B says that hot air welders use a filler rod as part of the repair process.
Who is right?
A only
B only
Bo th A and B
Nether A or B
- 14. Multiple Choice
Technician A says the pinning holes for a tab repair should be drilled 1/8" apart.
Technician B says that all of the pinning holes should be within the repair taper.
Who is right?
A only
B only
Both A and B
Neither A or B
- 15. Multiple Choice
Technician A says that carbon fiber dust may short out electronic tools.
Technician B says that exposed carbon fiber may cause galvanic corrosion.
Who is right?
A only
B only
Both A and B
Neither A or B
- 16. Multiple Choice
Technician A says that when repairing carbon fiber parts, it may be recommended to use a pyramid patch.
Technician B says that when repairing carbon fiber parts, it may be recommended to use pinning.
Who is right?
A only
B only
Both a and B
Neither A or B
- 17. Multiple Choice
Technician A says that a non-polyolefin plastic usually smears when its sanded.
Technician B says that a polyolefin plastic creates a powdery dust when sanded.
Who is right?
A only
B only
Both A and B
Neither A or B
- 18. Multiple Choice
Technician A says that a paint maker's adhesion promoter may be used before a plastic adhesive is applied.
Technician B says that a plastic adhesion promoter and a plastic repair adhesive from different product makers may be used together.
Who is right?
A only
B only
Both A and B
Neither A or B
- 19. Multiple Choice
Technician A says that an RRIM part may be repaired using adhesives.
Technician B says that an RRIM part may be repaired using an airless plastic welder.
Who is right?
A only
B only
Both a and B
Neither a or B
- 20. Multiple Choice
Bumper covers are commonly made from:
Polypropylene (PP)
Acrylonitrile butadiene styrene (ABS)
Fiber reinforced plastic (FRP)
Sheet molded compound (SMC)
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