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Autobody Technician Year 2 > Exam 2 > Flashcards

Exam 2 Flashcards

1
Q

_______ enamel consists of a solvent blend of binder and pigment materials.

A

Acrylic Enamel

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2
Q

Basecoat/clearcoat is a ___-______ paint system in which the colour effect is given by a highly pigmented basecoat. Gloss and durability are given by clearcoat.

A

two-stage

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3
Q

What are the PRIMARY colours?

A

Red Yellow Blue

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4
Q

The easiest way to deal with a over pour is……

A

Do not let it happen

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5
Q

___________ enamels are used for automotive refinishing.

A

Polyurethane

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6
Q

A paint hardener is also referred to as a ______ or _______.

A

catalyst or activator

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7
Q

A _________ is a light source that attempts to duplicate the full spectrum of natural daylight.

A

Spectralight

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8
Q

Graduated containers are usually clear or translucent containers with graduated scales and ratios painted on the sides.
True or False

A

True

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9
Q

Head on (90degrees) Flop (__) Side Tone (__)

A

45

10

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10
Q

Lights may also have a _____ rating to describe their brightness.

A

Lumen

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11
Q

-

A

Measuring Sticks

Graduated containers

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12
Q

The first step in solving a colour problem is being able to ________ the colour.

A

Describe

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13
Q

The first step in colour matching is to select the proper topcoat from the paint _____ book

A

Chip

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14
Q

By adjusting the colour on the TV, you are adjusting ______, which is the strength, richness or purity of the colour

A

Chroma

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15
Q

If the light source changes, the objects colour changes; this is called __________

A

Metamerism

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16
Q

_______ is recommended after each ingredient is added to avoid conditions such as _______.

A

Stirring

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17
Q

_____ is also known as resin and is the principle film-forming part of a paint system into which all other film-forming ingredients are added.

A

Binder

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18
Q

A common measure is _ oz of paint per panel and _ oz of paint per blend.

A

6

3

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19
Q

______ enamel was a popular refinishing material for over 40 years.

A

Alkyd enamel

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20
Q

Solvent is also referred to as _______ _____.

A

Transfer Medium

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21
Q

A paint formula indicates the amount of each ______, as a weight, that is required to produce a specific colour of paint.

A

Toner

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22
Q

A formula is a precise mixture of _______, or individual colours that will yeild a specific paint colour.`

A

Toners

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23
Q

Automotive paint serves two purposes which are?

A

Protection and Decoration

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24
Q

A ______ coat keeps more of the aluminum flakes near the top of the paint film.

A

Light

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25
Q

Compared to daylight, incandescent light appears to contain more _______ and ____.

A

Yellow and Red

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26
Q

_______ paint is made up of water soluble resins and co-solvents such as alcohols and miscible solvents.

A

Polyester

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27
Q

What are the two most important properties of a solvent?

A

Solvency (ability to dissolve a film former or resin) and Volatility (solvents evaporation rate)

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28
Q

The colours of the daylight colour spectrum are easily remembered with ____ G. _____

A

Roy G. Biv

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29
Q

It is not recommended to agitate toners continually all day. This causes ______ of metallics.

A

Shearing

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30
Q

Adjusting the ___ on a television set could make blue seem green.

A

Hue

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31
Q

________ enamels dry by evaporation of the reducers and by a chemical reaction between the two principle base components that harden or cross-link the paint film.

A

Urethane

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32
Q

The most accurate way to mix paint is by _______.

A

Weight on a scale.

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33
Q

What are the three basic types of exterior topcoat finishes?

A

Lacquer, Enamel and waterborne

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34
Q

Pigment particle size affects ______ ability, while pigment shape affects strength.

A

Hiding

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35
Q

________ are the ingredients that are responsible for the colour of the paint.

A

Pigments

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36
Q

______-_____ lumens is recommended for booth lights or sun guns.

A

3000-3500

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37
Q

What are the two types of water based paints?

A

Latex and Polyester Paints

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38
Q

When the eye sees a coloured object, that object has ________ all the light except for the colour it appears to be.

A

Absorbed

39
Q

______ paint is made up of polymers, or resins and co-solvents

A

Latex

40
Q

The best way to evaluate a colour match is to make the evaluation under the best possible _______ conditions.

A

Daylight

41
Q

Moderately ________ ______ sky is the best conditions to view a colour.

A

Overcast North Sky

42
Q

Most hardeners used in automotive coatings have a usable shelf life of only _ days after opening.

A

7

43
Q

A ______ coat of metallic colour will distribute aluminum flakes evenly throughout the paint film.

A

Medium

44
Q

Agitation of water based painted is needed.

True or False

A

False, It is not as critical to mix becuase the solids stay suspended for longer periods of time.

45
Q

What are the three main paint systems we use today?

A

Single-stage, two-stage and tri-stage

46
Q

The year of a vehicle can be determined by what digit on the VIN?

A

10th

47
Q

In order to see colour you need

A

an object
a light source
a means of viewing colour

48
Q

__________ is added to paint to lower its viscosity or thickness so that it flows through and out of the spray gun properly.

A

Solvent

49
Q

As the water evaporates, the pigments ______ to form the paint film.

A

Coalesce

50
Q

When primary and secondary colours are mixed together, __________ or ___________ colours are formed.

A

Intermediate or Complementary

51
Q

________ includes all methods of conversion: oxygen,heat catalyst and cross-linking.

A

Convertable

52
Q

A ____ coat of metallic colour allows heavy aluminum flakes to sink to the bottom of the paint film.

A

Wet

53
Q

Colours at the OEM level start as sample panels called _____ _______ for each vehicle colour.

A

Colour Standards

54
Q

What are the two most vital variables that affect painting a vehicle?

A

Temperature and Humidity

55
Q

Weights can be listed as _________ or ___-_________.

A

Cumulative or Non-Cumulative

56
Q

_________ reflows when exposed to heat or solvent.

A

Thermoplastic

57
Q

Is it okay to use a measuring stick with a container that has tapered sides?

A

No, because this will result with an incorrect ratio.

58
Q

What code does Mercedes use if they applied a scratch resistant clear?

A

C

59
Q

Natural daylight between the hours of __am and _pm is the ideal light for matching or evaluating colour.

A

10am and 2pm

60
Q

Compared to daylight, fluorescent light appears to contain more _______.

A

Violet

61
Q

The procedure for mixing solvent based paint is to turn the intermix machine for a minimum of __ minutes.

A

15

62
Q

By mixing any two primary colour together, a _______ colour is produced.

A

Secondary

63
Q

A viscosity test should be performed at _______ temperature .

A

Booth

64
Q

Paint _______ are ingredients added to modify the performance and characteristics of the paint.

A

Additives

65
Q

Automotive finishes that can be places in Non-convertable class are ________.

A

Lacquers

66
Q

Paint is formulated using the same principles and contain specific ratios of four ingredients, name them.

A

Pigment
Binder
Solvent
Additives

67
Q

___________ colour combinations are unlimited.

A

Intermediate

68
Q

Any thick, ____ or _____ toners should not be used.

A

Gelled or caked

69
Q

_______ a colour is the process of identifying a paint colour in a graphic way based on value, hue and chroma.

A

Plotting

70
Q

Colour blindness affects a significant number of people, approximately _ to _% of the male population and . to _% of women.

A

7-10%

0.4-1%

71
Q

_____-____ enamel paint has a gloss or shine without the use of clearcoat.

A

Single-stage

72
Q

Enamels dry in two stages: through ______ of their solvents and by the _______ of their binder.

A

Evaporation

oxidation

73
Q

____ ____ indicate which ingredients to use, as well as the ratios and proper sequence to be followed when adding ingredients.

A

Tech sheets

74
Q

General Motors used a SPID label in order to find the paint code. What does SPID stand for?

A

Service Parts Identification Decal

75
Q

_______ are the most volatile part of paint.

A

Solvents

76
Q

The brightness adjustment on a TV set controls the _____ or lightness or darkness of the screen.

A

Value

77
Q

Colour temperature is measured in ______.

Lamps recommended for colour evaluation have colour temperatures of _____k to _____k.

A

Kelvins

5000-7500 Kelvins

78
Q

______ is not a primary colour, but is considered a major colour on the colour wheel and consists of all three primary colours.

A

Green

79
Q

When using a base coat solvent containing a stabilizer, be sure to ____ or ______ the stabilizer prior to usage.

A

Shake or Agitate

80
Q

Whats the longest time you should look at a colour before colour fatigue affects you.

A

60 seconds

81
Q

When evaluating a colour, the sequence ______, ___ and _______.

A

Value, Hue, Chroma

82
Q

The colours that are present in a light source are described as its ______ ________.`

A

Colour Spectrum

83
Q

Fish eye eliminator should never be used in _______ or ________.

A

Basecoats or undercoats

84
Q

Select a _______ or _______ according to job size, temperature, humidity and type of material.

A

Solvent or Hardener

85
Q

One of the most accurate ways to test RTS materials is to use a ________ ___.

A

Viscosity Cup

86
Q

_________ do not reflow even when exposed to heat or solvent.

A

Thermosets

87
Q

What are the two types of paint solvents?

A

Reducers and Thinners

88
Q

______ ________ _____ (CRI) is the evaluation oh how colours appear under given light source. A numerical scale _ to ___ is used to compare the spectrum of an artificial light to the spectrum of outdoor daylight

A

Colour rendering index

0-100

89
Q

If a second over pour happens the mix should be ________

A

discarded

90
Q

The head-on match is _______ important. Why?

A

Least, because you cannot blend a colour with a bad side-tone.

91
Q

Limit your hits of various tints in a formula to no more than __% of the total volume being tinted.

A

10%

92
Q

Generally, colours are corrected in this order; ______, ___ and ______.

A

Value, Hue and Chroma

93
Q

The _____ Metallic, the less intense or chromatic a colour will appear.

A

More

94
Q

What provides the pearl luster effect on the flakes of mica?

A

Titanium Oxide

Autobody Technician Year 2 (3 decks)

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