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Autobody Technician Year 2 > Exam 2 > Flashcards

Exam 2 Flashcards

(94 cards)

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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
Compared to daylight, incandescent light appears to contain more _______ and ____.
Yellow and Red
26
_______ paint is made up of water soluble resins and co-solvents such as alcohols and miscible solvents.
Polyester
27
What are the two most important properties of a solvent?
Solvency (ability to dissolve a film former or resin) and Volatility (solvents evaporation rate)
28
The colours of the daylight colour spectrum are easily remembered with ____ G. _____
Roy G. Biv
29
It is not recommended to agitate toners continually all day. This causes ______ of metallics.
Shearing
30
Adjusting the ___ on a television set could make blue seem green.
Hue
31
________ 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.
Urethane
32
The most accurate way to mix paint is by _______.
Weight on a scale.
33
What are the three basic types of exterior topcoat finishes?
Lacquer, Enamel and waterborne
34
Pigment particle size affects ______ ability, while pigment shape affects strength.
Hiding
35
________ are the ingredients that are responsible for the colour of the paint.
Pigments
36
______-_____ lumens is recommended for booth lights or sun guns.
3000-3500
37
What are the two types of water based paints?
Latex and Polyester Paints
38
When the eye sees a coloured object, that object has ________ all the light except for the colour it appears to be.
Absorbed
39
______ paint is made up of polymers, or resins and co-solvents
Latex
40
The best way to evaluate a colour match is to make the evaluation under the best possible _______ conditions.
Daylight
41
Moderately ________ ______ sky is the best conditions to view a colour.
Overcast North Sky
42
Most hardeners used in automotive coatings have a usable shelf life of only _ days after opening.
7
43
A ______ coat of metallic colour will distribute aluminum flakes evenly throughout the paint film.
Medium
44
Agitation of water based painted is needed. | True or False
False, It is not as critical to mix becuase the solids stay suspended for longer periods of time.
45
What are the three main paint systems we use today?
Single-stage, two-stage and tri-stage
46
The year of a vehicle can be determined by what digit on the VIN?
10th
47
In order to see colour you need
an object a light source a means of viewing colour
48
__________ is added to paint to lower its viscosity or thickness so that it flows through and out of the spray gun properly.
Solvent
49
As the water evaporates, the pigments ______ to form the paint film.
Coalesce
50
When primary and secondary colours are mixed together, __________ or ___________ colours are formed.
Intermediate or Complementary
51
________ includes all methods of conversion: oxygen,heat catalyst and cross-linking.
Convertable
52
A ____ coat of metallic colour allows heavy aluminum flakes to sink to the bottom of the paint film.
Wet
53
Colours at the OEM level start as sample panels called _____ _______ for each vehicle colour.
Colour Standards
54
What are the two most vital variables that affect painting a vehicle?
Temperature and Humidity
55
Weights can be listed as _________ or ___-_________.
Cumulative or Non-Cumulative
56
_________ reflows when exposed to heat or solvent.
Thermoplastic
57
Is it okay to use a measuring stick with a container that has tapered sides?
No, because this will result with an incorrect ratio.
58
What code does Mercedes use if they applied a scratch resistant clear?
C
59
Natural daylight between the hours of __am and _pm is the ideal light for matching or evaluating colour.
10am and 2pm
60
Compared to daylight, fluorescent light appears to contain more _______.
Violet
61
The procedure for mixing solvent based paint is to turn the intermix machine for a minimum of __ minutes.
15
62
By mixing any two primary colour together, a _______ colour is produced.
Secondary
63
A viscosity test should be performed at _______ temperature .
Booth
64
Paint _______ are ingredients added to modify the performance and characteristics of the paint.
Additives
65
Automotive finishes that can be places in Non-convertable class are ________.
Lacquers
66
Paint is formulated using the same principles and contain specific ratios of four ingredients, name them.
Pigment Binder Solvent Additives
67
___________ colour combinations are unlimited.
Intermediate
68
Any thick, ____ or _____ toners should not be used.
Gelled or caked
69
_______ a colour is the process of identifying a paint colour in a graphic way based on value, hue and chroma.
Plotting
70
Colour blindness affects a significant number of people, approximately _ to _% of the male population and _._ to _% of women.
7-10% | 0.4-1%
71
_____-____ enamel paint has a gloss or shine without the use of clearcoat.
Single-stage
72
Enamels dry in two stages: through ______ of their solvents and by the _______ of their binder.
Evaporation | oxidation
73
____ ____ indicate which ingredients to use, as well as the ratios and proper sequence to be followed when adding ingredients.
Tech sheets
74
General Motors used a SPID label in order to find the paint code. What does SPID stand for?
Service Parts Identification Decal
75
_______ are the most volatile part of paint.
Solvents
76
The brightness adjustment on a TV set controls the _____ or lightness or darkness of the screen.
Value
77
Colour temperature is measured in ______. | Lamps recommended for colour evaluation have colour temperatures of _____k to _____k.
Kelvins | 5000-7500 Kelvins
78
______ is not a primary colour, but is considered a major colour on the colour wheel and consists of all three primary colours.
Green
79
When using a base coat solvent containing a stabilizer, be sure to ____ or ______ the stabilizer prior to usage.
Shake or Agitate
80
Whats the longest time you should look at a colour before colour fatigue affects you.
60 seconds
81
When evaluating a colour, the sequence ______, ___ and _______.
Value, Hue, Chroma
82
The colours that are present in a light source are described as its ______ ________.`
Colour Spectrum
83
Fish eye eliminator should never be used in _______ or ________.
Basecoats or undercoats
84
Select a _______ or _______ according to job size, temperature, humidity and type of material.
Solvent or Hardener
85
One of the most accurate ways to test RTS materials is to use a ________ ___.
Viscosity Cup
86
_________ do not reflow even when exposed to heat or solvent.
Thermosets
87
What are the two types of paint solvents?
Reducers and Thinners
88
______ ________ _____ (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
Colour rendering index | 0-100
89
If a second over pour happens the mix should be ________
discarded
90
The head-on match is _______ important. Why?
Least, because you cannot blend a colour with a bad side-tone.
91
Limit your hits of various tints in a formula to no more than __% of the total volume being tinted.
10%
92
Generally, colours are corrected in this order; ______, ___ and ______.
Value, Hue and Chroma
93
The _____ Metallic, the less intense or chromatic a colour will appear.
More
94
What provides the pearl luster effect on the flakes of mica?
Titanium Oxide

Autobody Technician Year 2 (3 decks)

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