Deck 30: Paint Problems and Final Detailing

Question 1

____ are small, BB-sized dimples or craters that form in the liquid paint film right after spraying.

A) Paint color mismatches
B) Paint-fish eyes
C) Paint protrusions
D) Orange peels

Answer 1

B

Question 2

Bull's-eye featheredge can be prevented by only using two-part spot putty and allowing proper time for putty or filler to cure.

Answer 2

True

Question 3

____ appears as stretch marks, or cracking, along a featheredge.

A) Chemical spotting
B) Featheredge splitting
C) Blushing
D) Water spotting

Answer 3

B

Question 4

____, such as acid and alkali spotting, causes an obvious discoloration of the paint surface.

A) Chemical spotting
B) Featheredge splitting
C) Blistering
D) Water spotting

Question 5

Crazing is the beginning of film breakdown and might be an indication that film failures, such as cracking or crazing, will develop.

Question 6

A ____ is a partial slipping down of the paint created by a film that is too heavy to support itself.

A) paint sag
B) featheredge split
C) paint wrinkle
D) paint protrusion

Question 7

____ is an uneven surface formation, much like that on the skin of an orange.

A) Paint protrusion
B) Paint fish-eyes
C) Paint color mismatch
D) Orange peel

Question 8

Line checking is similar to cracking, except that the lines or cracks are more parallel and range from very short to very long.

Question 9

Blushing results in fine splits or small cracks - often called "crow's-feet"- that completely checker an area in an irregular manner

Question 10

The term ____ refers to "blisters" or "pimples" on the paint surface caused by the paint topcoats trapping evaporating solvent gases during curing and drying.

A) final detailing
B) detail sanding
C) line checking
D) solvent popping

Question 11

____ occur when gravity produces a mass slippage of an overwet and thick paint film.

A) Paint color mismatches
B) Machine compounds
C) Paint runs
D) Paint fish-eyes

Question 12

____ shows up as small, swelled areas on the finish that look like a water blister on human skin.

A) Blushing
B) Paint mottling
C) Blistering
D) Solvent popping

Question 13

Most clearcoats are designed to be applied after the basecoat fully cures.

Question 14

Fish-eyes are commonly caused by improper body surface cleaning or preparation.

Question 15

The most common causes of color difference include improper paint mixing and not spraying the paint on properly.

Question 16

Which of the following is LEAST-Likely the cause of crazing?

A) Shop temperature is too cold
B) Surface tension of the original material is under stress, and it literally shatters under the softening action of the solvents being applied.
C) Insufficient flash time
D) OEM lacquer crazes due to age and temperature extremes.

Question 17

____ is the general dulling of gloss in spots or masses of spots.

A) Featheredge splitting
B) Water spotting
C) Blushing
D) Sand scratch swelling

Question 18

The term primecoat show-through refers to a variation in the surface color.

Question 19

Some product manufacturers rate their compounds or liquids and pastes by a grit rating system: #1000, #1500, #2000, and finer.

Question 20

A buffing pad is used to clean and fluff up a wool buffing pad before machine compounding.

Question 21

____ is caused by a loss of adhesion between refinish products (primer, sealer, or topcoats).

A) Paint peeling
B) Paint pinholing
C) Paint mottling
D) Paint chalking

Question 22

While having a discussion, Technician A says compound that slings onto any textured plastic is easy to remove.Technician B says to mask off or cover up any textured plastic within several feet of the buffing radius.Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 23

While having a discussion, Technician A says that when a freshly applied topcoat is baked or force dried too soon, softening of the undercoats can occur.Technician B says that baking or force drying causes surface layers to dry too soon.Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 24

______________________________ is enlarged sand scratches caused by the swelling action of topcoat solvents.

Question 25

List four causes of runs and sags.

Question 26

_________________________ involves using a small dirt-nib sanding block and ultrafine sandpaper to level and smooth small specks of debris (dust, dirt, hair, and so on) in the paint.

Question 27

Which of the following is LEAST-Likely the cause of lifting?

A) Rapid change in shop temperature
B) Improper drying
C) Insufficient flash time
D) Use of incompatible materials

Question 28

Briefly discuss three techniques used to prevent orange peel.

Question 29

____ occurs only in metallics when the metal flakes float together to form a more silver or streaked appearance in the paint color.

A) Paint peeling
B) Paint pinholing
C) Paint mottling
D) Paint chalking

Question 30

All of the following are causes of paint mottling EXCEPT:

A) uneven spray pattern
B) improper surface cleaning
C) spraying too wet
D) the wrong solvent

Question 31

While having a discussion, Technician A says that steel wool is an inexpensive, readily available tool that can be used to polish chrome.Technician B says that pieces of steel wool may become embedded in the new finish.Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question 32

The term MOST-Likely used to describe a condition that causes surface distortion or shriveling, while the topcoat is being applied or while drying is:

A) lifting
B) paint wrinkling
C) blushing
D) paint mottling

Question 33

____ involves a series of steps to properly clean and shine all visible exterior and interior surfaces of the vehicle, taking special care not to harm newly painted surfaces.

A) Paint chalking
B) Sand scratch swelling
C) Final detailing
D) Solvent popping

Question 34

All of the following are causes of debris in the finish EXCEPT:

A) a dirty spray booth
B) a dirty spray gun
C) wearing improper clothing
D) using the wrong solvent

Question 35

____________________ appears as severe dulling of the film, but when examined with a magnifying glass, it contains many small, microscopic cracks.

Question 36

The term MOST-Likely used to describe a problem that produces a lack of gloss on the paint surface is:

A) paint mottling
B) paint peeling
C) paint pinholing
D) paint chalking

Question 37

A(n) ______________________________ causes a repair area to look a different color from the original color on the vehicle.

Question 38

How do you prevent sand scratch swelling?

Question 39

A(n) ______________________________ is an indented area that results from shrinkage of spot putty or filler, producing an area that is lower over the top of the putty or filler.

Question 40

Almost always the cause of bleeding is not using a _______?

A) fisheye preventer
B) adhesion promoter
C) sealer
D) hardener

Question 41

How do you prevent water spotting?

Question 42

List four possible causes of paint cracking.