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20 Cards in this Set
- Front
- Back
Why is butyrate dope safer to use than nitrate dope?
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It is much less flammable
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what are the 2 types of dope used for fabric finishes?
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1. Cellulose Nitrate
2. Cellulose Acetate Butyrate |
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what is the appearance of blushing paint finish?
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Chalky or Cloudy
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What finishing defect is the result of a paint room temperature that is too warm?
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Pinholes or Blisters
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What causes dope to blush?
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1. High humidity
2. Moisture in the spray system 3. Application over a damp surface |
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What factors cause spray paint sags and runs?
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1. Inadequate surface preparation
OR 2. paint sprayed on too thickly |
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What components or parts of the airframe must be protected from damage when using paint stripper?
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1. Windshields and windows
2. plastics 3. composites 4. synthetic rubber 5. fabrics |
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What is the function of zinc-chromate or wash primers?
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1. Primers serve to inhibit corrosion
and 2. provide a good bond between the metal and the topcoats. |
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Name several common types of paint used on aircraft.
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1. Zinc-chromate & wash primer
2. synthetic enamels 3. acrylic lacquer 4. polyurethanes |
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What is the proper thinner to use with zinc-chromate primer?
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TOLUENE
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What health and safety precautions must be observed when using the toxic solvents and thinners that are part of modern finishing systems?
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Respirators and/or masks must be worn when spraying finishes
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If spray painting dust causes a surface to appear dry and rough, what are the most likely causes?
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1. Too much air pressure
or 2. the spray gun is too far from the surface being painted. |
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What causes "orange-peel"?
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1. Spray pressure too high
2. use of a thinner that dries too fast 3. cold temperatures 4. damp draft over the surface |
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What regulation governs the application of the registration numbers to aircraft registered in the U.S.?
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FAR part 45
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Other than appearance, what is another reason for touching up painted surfaces?
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Reduction or elimination of general corrosion problems.
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What references should be used to determine if a control surface must be checked and/or rebalanced after painting?
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The Manufacturers Service manual
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What would be the effect if dope was used over paint or enamel?
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The dope tends to dissolve these materials.
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What are the 3 most commonly used methods of applying paint?
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1. Dipping
2. Brushing 3. Spraying |
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What is the effect on paint finishes if too much drier is added to the paint?
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The paint film will be brittle and tend to crack and peel
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What paint systems may be used with epoxy topcoats?
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ANY paint system in good condition,.
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