Collision Blast - Paint Defects And Other Considerations
This quiz is for Module 11 - paint defects.
- 1.
To prepare a car for paint, we need to properly clean and final sand. However, there are a few paint defects that will require additional steps, which include all of the following Except:
- A.
Peeling
- B.
Mottling
- C.
Paint measures 14 mils thick.
- D.
Checking
Correct Answer
B. Mottling -
- 2.
If stripping a panel to metal is required, using 36 - 80 grit on a (DA) sander is one method that could be used.
- A.
True
- B.
False
Correct Answer
A. True -
- 3.
What is the Most likely cause the paint is peeling.
- A.
Oxidation.
- B.
Never washing the car.
- C.
Loss of adhesion.
- D.
Factory defect.
Correct Answer
C. Loss of adhesion. -
- 4.
If restoring a complete car that has rust, what would be the best way to strip the car to metal?
- A.
Use a DA sander with 36 grit followed by 80 grit to minimize the 36 grit scratches.
- B.
Media Blast
- C.
Chemical Strippers
- D.
Just final sand and paint.
Correct Answer
B. Media Blast -
- 5.
Being rushed by the customer, a painter rushes the primer by applying 4 full wet coats back to back. What problem do you think this may lead to.
- A.
No problem, customers come first.
- B.
Sand scratch swelling.
- C.
Excessive dirt.
- D.
Dry finish when painted.
Correct Answer
B. Sand scratch swelling. -
- 6.
Chipping paint is always the result of adhesion loss.
- A.
True
- B.
False
Correct Answer
B. False -
- 7.
A painted surface has excessive orange peel. What may be the cause of this.
- A.
Air pressure too high.
- B.
Gun travel too fast.
- C.
Gun distance too far.
- D.
Incorrect Gun angle
Correct Answer
C. Gun distance too far. -
- 8.
After the car was painted, tiny pin holes appeared in the paint. What is this called.
- A.
Pin holes.
- B.
Lifting
- C.
Solvent Pop
- D.
Checking.
Correct Answer
C. Solvent Pop -
- 9.
It may be possible to use a razor blade to remove paint coatings.
- A.
True
- B.
False
Correct Answer
A. True -
- 10.
One method to prepare the metal for top coating is to apply epoxy primer straight over the bare metal.
- A.
True
- B.
False
Correct Answer
A. True -
- 11.
Checking is a paint defect where you can see through the painted surface.
- A.
True
- B.
False
Correct Answer
B. False -
- 12.
When the paint coating are too thick, the surface must be partially or fully stripped. What is considered too thick.
- A.
The paint should always be stripped to the metal when refinishing.
- B.
1/4" inch
- C.
6 mills
- D.
13 mills
Correct Answer
D. 13 mills -
- 13.
Heavy orange peel can usually be repaired without repainted the surface.
- A.
True
- B.
False
Correct Answer
A. True -
- 14.
What is the best way to assure that the paint job does not have fisheyes when painting?
- A.
Final Sanding
- B.
Color Sanding
- C.
Proper Cleaning
- D.
Proper Masking
Correct Answer
C. Proper Cleaning -
- 15.
Metallics striping or streaking may be caused by applying the base coat too wet.
- A.
True
- B.
False
Correct Answer
A. True -
- 16.
Lifting is caused by spraying the coating too dry.
- A.
True
- B.
False
Correct Answer
B. False -
- 17.
Mottling can be caused by applying the clear coat too soon.
- A.
True
- B.
False
Correct Answer
A. True -
- 18.
According to the pdf file, one way to eliminate edge marking is to ensure drying times are observed. Infra Red drying reduces the chances of edge marking by drying the lower layers first.
- Paint Defects
- A.
True
- B.
False
A. True
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Current Version
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Mar 17, 2022Quiz Edited by
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Jan 24, 2011Quiz Created by
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