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AIRCRAFT FINISHES

Mastering Aircraft Finishes Quiz

Test your knowledge on aircraft finishes with this engaging quiz tailored for aviation enthusiasts and professionals! Dive into questions covering the essential aspects of finishing processes, hazards, and best practices in aircraft maintenance.

Whether you're preparing for a certification, brushing up on your skills, or just curious about aircraft finishes, this quiz is your perfect opportunity!

Multiple choice questions
Score your knowledge
Learn more about aircraft finishing techniques

15 Questions4 MinutesCreated by PolishingPlane732

1. Which of the following is a hazard associated with sanding on fabric covered surfaces during the finishing process?

A. Overheating of the fabric/finish especially with the use of power tools

B. Static electricity buildup

C. Embedding of particles in the finish

2. What is likely to occur if hydrated wash primer is applied to unpainted aluminum and then about 30 to 40 minutes later a finish topcoat, when the humidity is low?

A. Corrosion

B. A glossy, blush-free finish

C. A dull finish due to the topcoat ‘sinking in’ to primer that is still too soft

3. Which defect in aircraft finishes may be caused by adverse humidity, drafts, or sudden changes in temperature?

A. Orange peel

B. Blushing

C. Pinholes

4. What is used to slow the drying time of some finishes and to prevent blush?

A. Reducer

B. Retarder

C. Rejuvenator

5. What is the usual cause of runs and sags in aircraft finishes?

A. Too much material applied in one coat

B. Material is being applied too fast

C. Low atmospheric humidity

6. Which properly applied finish topcoat is the most durable and chemical resistant?

A. Synthetic enamel

B. Acrylic lacquer

C. Polyurethane

7. Which type of coating typically includes phosphoric acid as one of its components at the time of application?

A. Wash primer

B. Epoxy primer

C. Zinc chromate primer

8. Aluminum-pigment in dope is used primarily to

A. Provide a silver color

B. Aid in sealing out moisture from the fabric

C. Reflect ultraviolet from the fabric

9. Fungicidal dopes are used in aircraft finishing as the

A. First, full-bodied, brushed-on coat to prevent fungus damage

B. First coat to prevent fabric rotting and are applied thin enough to saturate the fabric

C. Final, full-bodied, brushed-on coat to reduce blushing

10. Which statement is true regarding paint system compatibility?

A. Old-type zinc chromate primer may not be used directly for touchup of bare metal surfaces

B. Acrylic nitrocellulose lacquers may be used old nitrocellulose finishes

C. Old wash primer coats may be overcoated directly with epoxy finishes

11. A correct use for acetone is to

A. Thin zinc chromate primer

B. Remove grease from fabric

C. Thin dope

12. Before applying a protective coating to any unpainted clean aluminum, you should

A. Wipe the surface with avgas or kerosene

B. Remove any conversion coating film

C. Avoid touching the surface with bare hands

13. If registration numbers are to be applied to an aircraft with a letter height of 12 inches, what is the minimum space required for the registration mark N1683C? Note: 2/3 x height = character width 1/6 x height = width for 1 ¼ x 2/3 height = spacing 1/6 x height = stroke or line width

A. 52 inches

B. 48 inches

C. 57 inches

14. What is likely to occur if unhydrated wash primer is applied to unpainted aluminum and then about 30 to 40 minutes later a finish topcoat, when the humidity is low?

A. Corrosion

B. A glossy, blush-free finish

c. A dull finish due to the topcoat ‘sinking in’ to primer that is still too soft

15. If masking tape is applied to an aircraft such as for trim spraying, and is left on for several days and/or exposed to heat, it is likely that the tape will

A. Not seal out the finishing material if the delay or heating occurs before spraying

B. Be weakened in its ability to adhere to the surface

C. Cure to the finish and be very difficult to remove

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