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Automotive Collision > Use Repair Materials And Equipment Apply Refinishing > Flashcards

Use Repair Materials And Equipment Apply Refinishing Flashcards

1
Q

Prolong the drying time

A

Drying retarders

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2
Q

Increase metallic sparkle

A

Flattening agents

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3
Q

Reduce curing time

A

Drying accelerator

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4
Q

Prevent cracking

A

Flex additives

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5
Q

A paint strainer is a paper funnel with

Nylon mesh
Wire mesh opening
Cheesecloth covered openings

A

Nylon mesh openings

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6
Q

A sanding block may be used by holding it parallel to the contour of the panel and moving at a _______ angle

70
30
Right
45

A

30

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7
Q

A viscosity cup measures

Volume
Speed
Ratio
Weight

A

Speed

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8
Q

All describe guide coat EXCEPT

Is matched to the colour of the undercoat

Used to identify high and low spots

May be sprayed on

May be a fine powder

A

Is matched to the colour of the undercoat.

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9
Q

All describe mixing sticks EXCEPT

Wood or metal can be used

Available from most paint makers to support their mixing formula requirements

Have calibrated measuring scale for all parts including additives

Are used with containers that have parallel sides and bottom that is flat

A

Wood or metal can be used

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10
Q

Why should tints be shaken before being put on the mixing bank

To aid in correct colour matching

To ensure the life is securely fastened

To build up static charge in the material

To avoid paddle damage from solid material at the bottom of the can

A

To avoid paddle damage from solid material at the bottom of the can

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11
Q

The general procedure when mixing base coat is to

Identify colour formula, mix base colour using intermix system, add reducer, mix and strain

Mix base colour using intermix system, identify colour formula, add reducer, mix and strain

Identify colour formula, add reducer, mix base colour using intermix system, mix and strain.

A

Identify colour formula, mix base colour using intermix system, add reducer, mix and strain.

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12
Q

Tints on the mixing bank of an intermix system should be agitated

Once per day
Once per week
Twice per day
Twice per week

A

Twice per day

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13
Q

What is the typical film thickness for single-stage, BC/CC, and multi stage finishes

  • 2mil
  • 3mil
  • 5mils
  • 8mils
A

5mils

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14
Q

Primer sealer or sealer should not be applied in areas where topcoat will be blended

True
False

A

True

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15
Q

Refinished aids to hide imperfections

True
False

A

False

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16
Q

All describe spray out panels EXCEPT

To aid in developing colour sample

To show how colour will appear

To duplicate spraying condition

To show the effects of the spraying technique

To aid in viscosity adjustments

A

To aid in viscosity adjustments

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17
Q

A spray out card helps to determine the number of refinish coats required to achieve full hiding

True
False

A

True

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18
Q

Edging

Should be avoided
Aids in complete paint coverage
Is done after parts are installed
Is a masking technique

A

Aids in complete paint coverage

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19
Q

A tach cloth

Is cheesecloth covered with non dying varnish

Should only be used surfaces being refinished

Should be used on panel starting from bottom top top

Should be used with excessive pressure to remove debris

A

Is cheesecloth covered with non drying varnish

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20
Q

A single stage finish typically requires

3-4 light coats
2-4 medium coats
A clear coat
1-2 full wet coat

A

2-4 medium coats

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21
Q

When applying a BC/CC finish paint makers typically recommend

1-3 mils or base coat followed by 1-2 mils of clearcoat

1-2 mils or base coat followed by 2- 3 mils of clearcoat

2-3 mils or base coat followed by 1-2 mil of clearcoat

2-3 mils or base coat followed by 2-3 mils of clearcoat

A

1-2 mils or base coat followed by 2-3 mils of clearcoat

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22
Q

Base coat must dry for at least 8 hours prior to applying clear coat

True
False

A

False

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23
Q

In a multi stage finish, the midcoat or intermediate coat

Must match the original base coat colour

Is a translucent colour or pearl coat

Lightens, as more is applied

A let down panel cannot be used

A

Is a translucent colour or pearl coat

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24
Q

When performing panel repair refinish operation the finish is blended within the panel

True
False

A

False

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25
Q

Requires blending into the existing finish

A

Spot repair

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26
Q

Applies colour to the panel edges

A

Banding

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27
Q

Used break lines to limit the size of the repair area

A

Zone refinishing

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28
Q

Refinishing a complete part

A

Panel repair

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29
Q

During a complete vehicle refinish be sure to overlap at panel gaps

True
False

A

False

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30
Q

All describe blending EXCEPT

  • tricks the eyes into seeing one colour
  • requires perfect colour mixing
  • allows some of the original finish to show through
  • is applying colour in stepped out stages
A

Requires perfect colour mixing

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31
Q

Blending does not work well on large flat areas

True
False

A

True

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32
Q

All are consideration for blending EXCEPT

paint makers typically recommend recommendations

Areas shadowed by objects

areas with multiple contours

The existing finish

A

The existing finish

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33
Q

A blending solvent causes the dry edge to flow out or melt into the original finish

True
False

A

True

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34
Q

Blending solvent for a single stage finish

Should be feathered out across a large area

May contain a type of clearcoat resin

Is applied in a straight line

May be the same solvent used to reduce base coat

A

May contain a type of clearcoat resin

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35
Q

When blending for a BC/CC finish both coating are blended

True
False

A

False

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36
Q

When blending the base coat blending solvent that applied to the blend area prior to the base coat

May cause delamitation of the base coat

Must contain clear coat resin

May act as an adhesion promoter

Will void the paint makers warranty

A

May act as an adhesion promoters

37
Q

When reverse blending

Each coat extends beyond the first coat

Blending solvent is applied prior to the base coat

The first coat extends to the farthest point of the blend

Blending solvent is applied to the panel edges

A

The first coat extends to the farthest point of the blend.

38
Q

Triggering off the spray gun only after the spray pattern is parallel to the panel avoids

Paint build up
Over spray
Delamination
A halo- effect

A

A halo effect

39
Q

If more than one panel is being painted and one requires a flex additive

A special sealer can be substituted

Use 2 spray gun

Both should receive the flex additive

The flex additive can be disregarded

A

Use 2 spray guns

40
Q

All apply to refinishing interior EXCEPT

colours may be identified in the vehicle accessory labels

May require heating a part to remove mould release agents

Finishes in the drivers sight line should be flat or non gloss

Airbag modules should be refinished using a flex additive

A

Airbag modules should be refinished using a flex additive

41
Q

To maintain corrosion protection epoxy primer and or anti corrosion compound should be used

In wheel well areas
To coat undercarriages
For enclosed areas
To replace chip resistant coatings

A

For enclosed areas

42
Q

Seam sealers

Are used to keep out moisture, noise and contaminants

May be thin or heavy bodied flexible or self leveling

A
B
Both
Neither

43
Q

Chip resistant coating acts as an energy absorber

True
False

44
Q

All are typical causes of finish contaminant EXCEPT

open masking paper folds
A static charge on the vehicle
Improper use of a tack cloth
Inadequate breathing apparatus

A

Inadequate breathing apparatus

45
Q

All contribute to poor hiding EXCEPT

a spray out panel
Spray technique
Product information sheet
Film thickness

A

A spray out panel

46
Q

Contaminants in the paint film may be corrected

During the refinishing process
After the refinishing process

A
B
Both
Neither

47
Q

Improper management for refinishing materials stock contribute to

Seediness
Dry spray
Lifting or wrinkling
Fisheye

48
Q

Refinished problems can result from

  • A Improper preparation
  • B Contamination
  • C Problems with the spray equipment
  • D Improper drying and curing
  • E A and B
  • F all of the above
A

All of the above

49
Q

If fisheye eliminating additive is used, it may be used in all following coating application

True
False

50
Q

Runs and sags may be corrected by

Washing off the surface during paint application

Sand and polish

Sand and refinished

All of the above

A

All of the above

51
Q

Excessive flash time

A

Orange peel

52
Q

Silicone or oil contamination

A

Fisheyes and cratering

53
Q

Incompatible with materials

A

Lifting or wrinkling

54
Q

Air pressure to high

55
Q

Uneven spray pattern

A

Mottling or streaking

56
Q

Trapped air or moisture

A

Blistering

57
Q

Inadequate flash time

A

Runs or sags

58
Q

All describe lifting or wrinkling EXCEPT

excessive flash or dry time can cause

Affected area must be removed to a solid substrate

Sealer helps to prevent

Shrivelling or swelling of wet refinish material

A

Excessive flash or dry time can cause

59
Q

All describe mottling or streaking EXCEPT.

Material being applied too dry
Floating metallic
Floating pigment
Uneven spray pattern

A

Material being applied too dry.

60
Q

If blistering happens due to overheating during force cutting stripping to bare metal may be required to correct the problem

True
False

61
Q

All describe dry spray EXCEPT

Using a travel speed that is too fast

Spray dust that does not dissolve into the finish

Using reducer that is too slow

A

Using reducer that is too slow

62
Q

Most likely problem when refinishing over lacquer primer surfaces

Shrinking or splitting
Blistering
Loss of gloss
Solvent popping

A

Shrinking or splitting

63
Q

All describe paint cracking EXCEPT

Corrected by sealing and refinishing

Can be caused by sudden extreme temperature changes

May appear as crows foot or star pattern

A

Corrected by sealing and refinishing

64
Q

Sanding undercoats before they have thoroughly dried

A

Sandscratch swelling

65
Q

Excessive spot putty use or thickness

A

Shrinking or splitting

66
Q

Excessive film thickness

A

Paint cracking

67
Q

Not using the correct amount of activator

A

Poor hardening

68
Q

Wrong reducer used or over reduction

A

Loss of gloss

69
Q

Insufficient flash time prior to applying additional coats

A

Solvent popping

70
Q

Chalking refers to the loss of gloss after a finish ages

True
False

71
Q

All describe solvent popping EXCEPT

May be caused by solvents that were trapped in the finish

Corrected by stripping to bare metal are refinishing

May by cause by surface. Posture that was trapped in the finish

A

Corrected by stripping to bare metal are refinishing

72
Q

Improper surface cleaning and preparation can cause poor hardening

True
False

73
Q

More or less chromatic

A

Saturation

74
Q

Redder, greener, blue, or yellower

75
Q

Too light or dark

A

Value is off

76
Q

All describe paint oxidation EXCEPT

Cause by UV rays and or insufficient film thickness

Correct by polishing with the most aggressive polish first

Also called fading

Loss of gloss and may appear white and powdery on the surface

A

Correct by polishing with the most aggressive polish first

77
Q

Peeling and adhesion failure can be a result to masking a part instead if removing it

True
False

78
Q

It is not necessary to completely remove corrosion prior to refinishing

True
False

79
Q

Tape tracking may be removed by buffing

True
False

80
Q

All describe contour mapping EXCEPT

corrected by wet sanding and polish

An outline of the body filler

May require removal of the affected area and refinishing

A feather edge that has shrunk or swelled

A

corrected by wet sanding and polish

81
Q

All may cause staining EXCEPT

  • a chemical spilled on the finish
  • Finger prints on surface being refinished
  • Bird dropping and tree saps
  • incorrectly mixed base coat
  • road film
A

Incorrectly mixed base coat

82
Q

Improper surface preparation

A

Adhesion failure

83
Q

Moisture in the compressed air supply

A

Corrosion under the finish.

84
Q

UV exposure

85
Q

Incorrect masking technique

86
Q

Pigment from original finish bleeding through

87
Q

A hard tape line during priming

A

Contour mapping

88
Q

Trapping solvent under masking tape

A

Tape tracking

89
Q

Clear coat is used in specialty area that may be

Exposed to UV damage
Exposed to engine heat
Exposed to wind and rain
Visible when a door is open

A

Exposed to UV damage

Automotive Collision (10 decks)

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