Aircraft Finishes Flashcards

1
Q
  1. Name the safety & health precautions to be observed in i operating a dope room, inducting storage of material.
A

Lighted
well ventilated
Spark proof motors, lights, & switches

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2
Q
  1. What primer is used when maximum protection of the material is desired?
A

Expoy

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3
Q
  1. What type of test can be performed to identify existing paint finished?
A

Apply engine oil to surface
Nitrocellulose will soften
Clean area with MEK

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4
Q
  1. What causes blushing when applying dope or lacquer, and how can it be prevented?
A

Applying in humid conditions, don’t do it in these conditions

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5
Q
  1. What is the purpose of using fungicidal dope when finishing aircraft fabric?
A

Prevent micro-biological deterioration (rotting)

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6
Q
  1. What are the identification marking requirements for U.S. registered fixed wing aircraft?
A

Letter N both sides of fuselage
12 inches in height
Solid lines 1/6 as thick as they are high

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7
Q
  1. What should the color of registration markings be?
A

Contrast their background

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8
Q
  1. What are the two types of dope used for aircraft finishes?
A

Nitrate & butyrate

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9
Q
  1. What is the advantage of butyrate over nitrate?
A

less flammable

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10
Q
  1. What would happen if dope was ever used over paint or enamel?
A

Lift & remove materials

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11
Q
  1. What is applied to metallic surfaces as a common resistant covering before the application of enamel or lacquer?
A

Zinc chromate primer

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12
Q
  1. What can be done to the surface of components to prevent filiform corrosion?
A

Ensure primer is cured

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13
Q
  1. What are the most common methods of applying aircraft finishes?
A

Dipping, brushing, spraying

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14
Q
  1. What type of paint may be used over any paint system that is in good condition?
A

Epoxy topcoats

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15
Q
  1. What normally causes runs and sags in spray application of paint finish?
A

Holding gun too long in one spot
Holding gun too close

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16
Q
  1. What causes fisheyes in paint?
A

Surface contamination

17
Q
  1. What is used to thin chromate primer?
A

Toluene

18
Q
  1. Which FAR prescribes the size and location requirements for aircraft identification numbers?
A

FAR part 45

19
Q
  1. What type of materials should be thoroughly protected when using paint remover?
A

Synthetic rubber surfaces, aircraft tires, fabric, & acrylics

20
Q
  1. What instructions should be followed when covering an aircraft with materials specified in an STC?
A

Instructions are included in the STC

21
Q
  1. What is the principal cause for filiform corrosion?
A

Uncured primer

22
Q
  1. What is zinc chromate used for?
A

Primer for bare metal

23
Q
  1. What does paint blushing look like?
A

Dull & hazy surface finish

24
Q
  1. What. Causes paint dust?
A

Poor surface prep & overspray

25
Q
  1. What types of paint are generally used on aircraft?
A

Epoxy & enamel

26
Q
  1. What causes “orange peel” or “pebble” finish?
A

Incorrect:

Spray gun setting
Air pressure
Viscosity

Or holding gun too far from work