Paint

SPRAY

Which of the following may cause solvent popping?

A. painting over rust spots

B. insuffcient fash time for undercoats

C. using the wrong primer

D. applying topcoat too wet

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The correct answer is B. Insuficient flash times will

trap solvents in the paint film.

The repaired and primed areas of a vehicle that were

refinished with metallic basecoat/clearcoat show through

the paint finish in a shadowy manner when the vehicle is

in direct sunlight. Painter A says that not mixing enough

catalyst in the paint before application could be the cause.

Painter B says that failure apply a solid color base before

refinishing could be the cause. Who is right?

APainter A only

B. Painter B only

C.Both A and B

DNeither A or B

The correct answer is b

Painter A says to add more Magenta to the paint mix. Painter B says to add more Blue. Who is right?

A

After the color was adjusted the car was lighter than the paint that was mixed. Painter A says to add some LS white. Painter B says to add Medium Fine aluminum. Who is right

Both are correct

All of these may cause fish-eyes EXCEPT:
A. tire dressing from the detail area
B. paint sealant residue
C. airborne contaminants
D. using the incorrect reducer or thinner

D

The air pressure at the inlet of an HVLP gun is normally between:

A.10-30 psi

B.30-50 psi

C. 50-70 psi

D. none of the above

A

Painter A says that urethane-based primer-surfacer will cure faster if sprayed in several coats with flash time between coats. Painter B says that a single-com-ponent primer-surtacer will be less likely to have sand scratch swelling. Who is right?

A. Painter A only

B. Painter B only

C. Both A and B

D. Neither Aor B

A

The door shown above has a large number of paint chips, but no dents. The paint is the original finish. Painter says that the chips could be filled with an application S

poyester glazing putty before refinishing. Painter says

that the chips could be sanded out before refinishing. Who

is right?

A. Painter A only

B. Painter B, only

C. Both A and B

D. Neither A or B

C

Which of these procedures would help find pits, blisters

and small shrunken impressions after priming on ar area

repaired with body filler?

A blowing the repaired area with compressed air

Bwire brushing and dusting the repaired area

Cblock sanding the area with P320-400 grit sand

paper

D wiping off the repaired area with thinner

C

An application of solvent-based basecoat metallic color has been made in which streaks indicate each pass of the spray gun. Painter A says that too slow of a reducer could be the cause. Painter says that incorrect pattern overlap could be the cause. Who right? A

Painter only

B. Painter B only

C. Both a and b

D Neither a and b

B

Which of these should be done to paint that has dried and separated in a can for an extended storage time?

A. strain and reduce

B. strain and over-reduce

C. strain, Over-reduce and then strain again

D none of these; dispose of the paint

D

Bare metal was just sprayed with self etching primer

Painter A says it must be sanded before applying another primer. Painter B says 180-grit should be used nstead.

Who right?

APainter A only

B. Painter only

C Both

D. Neither A or B

B

About a week after painting vehicle with a single-

stage enamel, many areas of the finish show severe wrin-

kling. Painter A says this could be due to the paint being

sprayed on too thickly. Painter B says it could have been

caused by spraying the paint with the air pressure too high.

Who is right?

A. Painter A only

B. Painter B only

C. Both A and B

D. Neither A or B

A

The illustration below shows a fender that has been

metal-repaired and refinished. There are longitudinal

scratches visible in the clearcoat. Painter A says the

scratches are due to not allowing the primer-surfacer

to cure (dry) sufficiently. Painter B says the prep person

used sandpaper on a dual-action (DA) sander that was too

coarse when featheredging the paint film edge surrounding

the repair. Who is right?

A. Painter A only

B. Painter B only

C. Both A and B

D. Neither A or B

A

Painter says that one of the air holes labeled 'A partly blocked with dried paint, F will cause the spray gun pattern shown above Painter says that if the paint hole labeled a, partly blocked with dried paint, will cause the spray gun pattern shown above. Who right?

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A Painter A

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b Painter b

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c Both

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D neither

A

A vehicle that was refinished overall with basecoat/

clearcoat lost its shine after drying overnight. Which of

these could be the cause?

A. The paint was under-reduced

3\. Too much drying time was allowed between coats.

C. Too few coats were applied

D. There was lack of airflow in the paint booth when the

paint was drying

D

Sandscratch swelling could be caused by all of these

EXCEPT:

A. applying primer surface in thin, wet coats

B. cold shop conditions

C. using the wrong hardener

D. applying too much material

B

All of the following panels require an etch

primer EXCEPT

A. fiberglass

B. stainless steel

C. galvanized steel

D. aluminum

A

A painter wanting to color-match a metallic paint would

make the least change in paint shade by changing the:

A. air pressure

B. gun distance

C. amount of thinner or reducer

D. number of coats applied

B

All of these could cause wheel burn when buffing or

polishing a topcoat EXCEPT

A. cold shop conditions

B. use of an abrasive compound

C. insufficiently cured paint

D. using a high-speed polisher

A

At what metal temperature can urethane clearcoats be

force dried to achieve a good hard finish without damaging

the plastic components?

A. 300F

B.250F

C. 200F

D. 140F

D

Fish-eyes appear randomly on a complete refirish job

The car was thoroughly washed with a wax and grease ro

mover. Painter A says the fish-eyes may have been caueed

by tire dressing being used in the shop. Painter B suspects

the source of the contamination may be from the com-

pressed air supply. Who is right?

A. Painter A only

B. Painter B only

C. Both A and B

D. Neither A or B

B

Which of these contains the highest concentration of

volatile organic compounds (VOC)?

acrylic enamel

B. high solids urethane primer

C. acrylic lacquer

D. urethane topcoat

C

All of these protect the painter from isocyanide expo-

sure EXCEPT:

A. nitrile gloves

B. safety goggles

C. supplied air respirator

D. dust mask

D

Ensuring the availability and access to MSDS (Material

Safety Data Sheets) is the responsibility of the:

A. employee

B. jobber

C. employer

D. paint manufacturer

C

Which of the following would be a likely cause for

fish-eye contamination?

A. using contaminated towels for cleaning

B. using too fast of reducer

C. expired hardener or catalyst

D. humid shop conditions

A

When a vehicle is removed from the booth six hours

after painting, the gloss has diminished. Painter A says the

cause could be that there was too much flash time between

coats. Painter B says the cause could be lack of sufficient

airflow and the booth filters should be changed. Who is

right?

A. Painter A only

B. Painter B only

C. Both A and B

D. Neither A or B

B

A urethane bumper cover peeled its paint six months

after the car was painted. Which was the MOST probable

cause?

A. wrong paint was used

B. improper bake time

C. mold release agent remained on the part

D. someone leaned against the bumper

C

Which of these could be done to remove a static charge

from a vehicle's body?

A. wet down the spray booth

B. attach a ground strap to the vehicle

C. use a clean tack rag

D. wait 20 minutes before spraying

B

Two painters are discussing methods of sanding a

vehicle before painting. Painter A says that a dual action

sander will perform adequately in most conditions. Painter

B says wet sanding with wet or dry sandpaper will perform

adequately in most conditions. Who is right?

A. Painter A only

B. Painter B only

C. Both A and B

D. Neither A or B

C

Rail dust appears as:

A. black marks in the clear coat

B. longitudinal tracks in the topcoat

C. small points of rust in the finish

D. craters in the clearcost

C

Decal residue Can be romoved by:

A. sanding with 220-grit paper

B. cierning with lacquer tinrer

C. Sanding with 1200-grit paper

D. Clearing with adhesive remover

D

The fluid needie of a spray gun seats in the:

A. air cap

B. fluid tip

C. cup

D. needle packing

B

A properly applied self-etching primer can lead to:

A. sandscratch swelling

B. color bleeding

C. peeling

D. corrosion resistance

D

Acid rain damage can appear as:

A. water spots on the finish

B. scratches in the clear

C. paint chips in the clearcoat

D. swirl marks in the clearcoat

A

Shrinking after topcoat application could be caused by

all of these EXCEPT:

A. using the wrong temperature hardener

B. using the wrong temperature reducer

C. not applying enough material

D. allowing too much cure time

D

Painter A says that a charcoal cartridge respirator is

sufficient protection when applying urethane paints. Painter

B says that a supplied air respirator is sufficient protection

when applying urethane material. Who is right?

A. Painter A only

B. Painter B only

C. Both A and B

D. Neither A or B

B

Automotive pairt ahould be flexible so that:

A. It won't split when panels are damaged

B. Moisture won't affect it

C. It can expand and contract with the vehicle body.

D. Minor dents can be repaired.

C

An air compressor can be the source of:

A. runs in the paint

B. discoloration

C. fish-eyes

D. dry spray

C

Painter A says that a urethane primer-surfacer can be

used to fill minor scratches in body filer on repaired areas.

Painter B says epoxy primer could also be used for filling

scratches. Who is right?

A. Painter A only

B. Painter B only

C. Both A and B

D. Neither A or B

A

Color matching should be performed in which

environment?

A. the spray booth

B. inside the shop near a window

C. inside the shop with direct fluorescent lighting

D. under natural lighting

D

Mold release agent is:

A. for removing decal adhesive residue

B. for removing wax and grease

C, used in the manufacture of bumper covers

D. used to shape a body filled area

C

When chemical paint strippers are used to remove

coatings, they can result in all of these EXCEPT:

A. hazardous waste

B. fumes in the shop

C. injury to workers

D. dust in the shop

D

When preparing a blend panel:

A. remove moldings and trim

B. sand the panel more than one would a primary pane

C. sand only the part that gets color appliec

D. abrade the entire surface with P320 sandpaper

A

When cleaning new bumper covers, the use of VOC-

based solvent is discouraged because:

A. It soaks into the substrate

B. It harms the urethane

C. It is flammable

D. It harms the environment

C

Clearcoat is used primarily for its:

A. UV protection

B. corrosion resistance

C. odor

D. ease of application

A

When reducer evaporates too slowly when applying

clearcoat, the result is called:

A. holdout

B. pinholes

C. die back

D. solvent popping

D

Most airborne contaminants that land on a freshly ap-

plied topcoat come from:

A. outside

B. within the spray booth

C. the painter

D. the vehicle itself

D

Preventing dry spray condition's is a matter of

A. using extremely high pressure

B. handling the spray gun properiy

C. masking the car properly

D. allowing sufficient dry time

B

Which of the following will NOT correct a dry

spray condition?

A. re-spray the panel

B. changing air caps

C. sand and polish

D. use a heat lamp to bake the finish

D

The color of a vehicle can be identified by all of these

EXCEPT:

A. matching the paint to a color chip index

B. calling a dealer

O. cross-referencing according to factory color code

D. using toners to make up a color

D

The first step a painter should take when

preparing a car for paint is:

A. water and detergent wash

B. blow off the vehicle with compressed air

C. test a sample of the paint

D. measure film thickness

A

Stone chip resistant coatings are applied:
A. after color coats
B. before clearcoats
C. according to the manufacturer's directions
D. and mixed in with the paint

C

Cavity wax is used to:

A. increase gloss on a finished panel

B.prevent corrosion

C. seal welded seams

D. lubricate hinges

B

Which of the following is NOT a component of etch

primer?

A. chromates

B. acid

C. isocyanides

D.VOC

C

The process of crosslinking is associated with

A. lacquers

B. solvents

C. urethanes

D. self-etching primers

C

Graduated mixing sticks are marked for the addition of

what to painting materials:

A. solvents

B. corrosion preventatives

C. wax

D. toners

A

Painter A says that all the trim should be removed or

panel that is being refinished. Painter B says that flush-

Mounted moldings may be masked with lift tape, provided

That a hard line will not be left behind. Who is right?

A. Painter A only

B. Painter B only

C. Both A or B

D. Neither A or B

B

A bull's eye is a condition created by:

A. hail damage

B. paint contamination

C. buffing at high speeds

D. failure to properly featheredge a repaired are

D

Painter A says that a sanding stick can be used when

sanding a hard-to-reach area. Painter B says the edge of a

dual-action (DA) sander can be used to get in tight areas

Who is right?

A. Painter A only

B. Painter B only

C. Both A and E

D. Neither A or B

A

of these are primary functions of a primer sealer EXCEPT:

A. protect the substrate from solvent in the topcoat

B. protect moldings and trim from enamels

provide corrosion resistance to bare metal

D. provide a uniforn calor for easier coverage

D

Painter A says that self-etching primer should be ap-

plied over the factory E-coat on a new replacement part

Painter B says a primer-surfacer should replace the E-coat

Who is right?

A. Painter A only

B. Painter B only

C. Both A or B

D. Neither A or B

D

Gravity feed spray guns can be identiffed by

A. a cup located on the bottom of the gun

B. a cup located on top of the gun

C. a fluid tip that extends beyond the face of the air cup

D. a fluid tip flush with the face of the air cup

B

All of these are considerations when selecting fluid tip

and needle combinations for an HVLP gun EXCEPT

A. viscosity of the painting material

B. size of the object being painted

C. quality of the finish

D. the drying time of the product being applied

D

Clogged air cap holes in a spray gun should be cleaned

with which of the following?

A. needle

B. small nail

C. toothpick

D. wire

C