AMT 120

Question 1

is a fast-evaporating colorless solvent. It is used as an ingredient in paint, nail polish, and varnish removers.

Answer 1

Acetone

Question 2

The term “_____” is used in a general sense and includes primers, enamels, lacquers, and the various multipart finishing formulas.

Answer 2

paint

Question 3

It is a good primer for composite substrates.

Answer 3

Gray Enamel Undercoat

Question 4

It is recommended for use on steel tube frame aircraft prior to installing fabric covering.

Answer 4

Epoxy

Question 5

is a synthetic, thermosetting resin that produces tough, hard, chemical-resistant coatings and adhesives.

Answer 5

Epoxy

Question 6

is an alkyd resin-based coating that was developed for use over iron and steel located in mild environmental conditions.

Answer 6

Red oxide primer

Question 7

It is a strong solvent for most plastics and is ideal for thinning fiberglass resin, polyester resins, vinyl, and adhesives.

Answer 7

Acetone

Question 8

is also a two-part product that uses a chemical activator to cure.

Answer 8

Urethane primer

Question 9

Paint has three components:

Answer 9

resin as coating material, pigment for color, and solvents to reduce the mix to a workable viscosity.

Question 10

It has limited use in the aviation industry.

Answer 10

Red Oxide Primer

Question 11

This is a single component, non sanding primer compatible with a wide variety of topcoats.

Answer 11

Gray Enamel Undercoat

Question 12

It has three components which is resin as coating material, pigment for color, and solvents to reduce the mix to a workable viscosity.

Answer 12

Paint

Question 13

They are very low in solids with almost no filling qualities.

Answer 13

Wash primers

Question 14

It is easy to sand and fills well.

Answer 14

Urethane

Question 15

It is also used as a superglue remover.

Answer 15

Acetone

Question 16

It fills minor imperfections, dries fast without shrinkage, and has high corrosion resistance.

Answer 16

Gray Enamel Undercoat

Question 17

is easier to clean and maintain because the exposed surfaces are more resistant to corrosion and dirt, and oil does not adhere as readily to the surface.

Answer 17

Properly painted aircraft

Question 18

is a colorless, volatile liquid completely miscible with a variety of other solvents.

Answer 18

Methylene Chloride

Question 19

It is available in interior and exterior grades.

Answer 19

Varnish

Question 20

is a heavy-duty degreaser suitable for metal preparation and removing grease from fabric covering prior to doping.

Answer 20

Acetone

Question 21

is the most commonly used carrier in oil paint.

Answer 21

Linseed oil

Question 22

is a slow-drying solvent that can be mixed with aircraft dope to retard drying of the dope film on humid days, thus preventing blushing.

Answer 22

Butanol, or butyl alcohol

Question 23

dries slower than most other finishes.

Answer 23

Varnish

Question 24

It is widely used in paint strippers and as a cleaning agent/degreaser for metal parts.

Answer 24

Methylene Chloride

Question 25

It makes the paint more fluid, transparent, and glossy.

Answer 25

Linseed oil

Question 26

can be used as a disinfectant. It is used in the formulation of oxygen system cleaning solutions.

Answer 26

Isopropyl, or rubbing alcohol

Question 27

is the foundation of the finish.

Answer 27

Primer

Question 28

is generally misunderstood and underestimated because it is invisible after the topcoat finish is applied.

Answer 28

Importance of primers in finishing and protection

Question 29

makes a statement about the aircraft and the person who owns or operates it.

Answer 29

Paint

Question 30

is a clear, water-insoluble liquid with a distinct odor similar to that of benzene.

Answer 30

Toluene

Question 31

is also used as a protective coating on the interior of metal tubing.

Answer 31

Linseed oil

Question 32

is a highly flammable, colorless liquid with a sweet odor. It is a product used in some paint and varnish removers.

Answer 32

Benzene

Question 33

Its role is to bond to the surface, inhibit corrosion of metal, and provide an anchor point for the finish coats.

Answer 33

Primer

Question 34

may reflect the owner’s ideas and color preferences for an amateur-built aircraft project, or it may be colors and identification for the recognition of a corporate or air carrier aircraft.

Answer 34

Paint Scheme

Question 35

Persons using ____ should use protective gloves and have adequate ventilation to avoid the possible irritation effects of skin contact and breathing of the vapors.

Answer 35

Methyl Ethyl Ketone (MEK)

Question 36

is obtained by distillation of wood from certain pine trees.

Answer 36

Turpentine

Question 37

It has been used as a paint remover in softening fluorescent-finish, clear-topcoat sealing materials.

Answer 37

Toluene

Question 38

It is an industrial solvent that is regulated by the Environmental Protection Agency (EPA) because it is an extremely toxic chemical compound when inhaled or absorbed through the skin.

Answer 38

Benzene

Question 39

is one of a wide variety of volatile hydrocarbon mixtures that is sometimes processed from coal tar but more often derived from petroleum.

Answer 39

Naphtha

Question 40

are water-thin coatings of phosphoric acid in solutions of vinyl butyral resin, alcohol, and other ingredients.

Answer 40

Water primers

Question 41

is more than aesthetics; it affects the weight of the aircraft and protects the integrity of the airframe.

Answer 41

Paint

Question 42

include a plethora of solvents used to reduce the viscosity of any one of the numerous types of primers, sub coats, and topcoats

Answer 42

Thinners

Question 43

Benzene is an industrial solvent that is regulated by the ___________________ because it is an extremely toxic chemical compound when inhaled or absorbed through the skin.

Answer 43

Environmental Protection Agency (EPA)

Question 44

It is a flammable, water-insoluble liquid solvent used as a thinner and quick-drier for varnishes, enamels, and other oil-based paints.

Answer 44

Turpentine

Question 45

is a transparent protective finish primarily used for finishing wood.

Answer 45

Varnish

Question 46

also referred to as 2-Butanone, is a highly flammable, liquid solvent used in paint and varnish removers.

Answer 46

Methyl ethyl ketone (MEK)

Question 47

is applied to protect the exposed surfaces from corrosion and deterioration.

Answer 47

topcoat finish

Question 48

Sometimes referred to as white spirit, Stoddard solvent, or petroleum spirits, mineral spirits is a petroleum distillate used as a paint thinner and mild solvent.

Answer 48

Mineral Spirits

Question 49

It is especially important when painting an aircraft because of the large area and varied surfaces that must be sprayed.

Answer 49

Spray gun

Question 50

provides the same high-quality finish as a siphon-feed gun, but the paint supply is located in a cup on top of the gun and supplied by gravity.

Answer 50

Gravity-feed gun

Question 51

may be a small room in which components of an aircraft are painted, or it can be an aircraft hangar big enough to house the largest aircraft.

Answer 51

paint booth

Question 52

is a conventional spray gun familiar to most people, with a one quart paint cup located below the gun.

Answer 52

Siphon feed gun

Question 53

for paint spraying using a conventional siphon feed spray gun should come from an air compressor with a storage tank big enough to provide an uninterrupted supply of air with at least 90 pounds per square inch (psi) providing 10 cubic feet per minute (CFM) of air to the spray gun.

Answer 53

Air supply

Question 54

The use of a piston-type air compressor for painting requires that the air supply lines include filters to remove water and oil.

Answer 54

System Air Filters

Question 55

has long been a satisfactory method of applying finishes to all types of surfaces.

Answer 55

Brushing

Question 56

is a key component in producing a quality finish in any coating process.

Answer 56

Top quality spray gun

Question 57

Among the most common methods of applying finish are:

Answer 57

dipping, brushing, and spraying.

Question 58

are available with one-stage and multiple-stage compressors, various size motors, and various size supply tanks.

Answer 58

Piston type compressors or air compressors

Question 59

For large painting projects, such as spraying an entire aircraft, the quantity of mixed paint in a pressure tank provides many advantages.

Answer 59

Large coating containers

Question 59

is generally used for small repair work and on surfaces where it is not practicable to spray paint.

Answer 59

Brushing

Question 60

The application of finishes by _____ is generally confined to factories or large repair stations.

Answer 60

Dipping

Question 60

The setup allows a greater area to be covered without having to stop and fill the cup on a spray gun.

Answer 60

Large coating containers

Question 60

is the preferred method for a quality finish.

Answer 60

Spraying

Question 61

To obtain the correct spray pattern, set the recommended air pressure on the gun, usually ______ psi for a conventional gun. Test the pattern of the gun by spraying a piece of masking paper taped to the wall. Hold the gun square to the wall approximately _____ inches from the surface.

Answer 61

40- 50 psi, 8-10 inches

Question 62

The process consists of ____ the part to be finished in a tank filled with the finishing material.

Answer 62

Dipping

Question 63

was, at one time, the standard primer for aircraft painting.

Answer 63

Zinc chromate primer

Question 64

is used to cover large surfaces with a uniform layer of material, which results in the most cost effective method of application.

Answer 64

Spraying

Question 65

Primer coats are frequently applied in this manner.

Answer 65

Dipping

Question 66

is a corrosion-resistant pigment that can be added to primers made of different resin types, such as epoxy, polyurethane, and alkyd.

Answer 66

Zinc Chromate