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Aircraft Finishes
Airframe Aircraft finishes
| Question | Answer |
|---|---|
| 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? | 52 inches |
| 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 | Cure to the finish and be very difficult to remove. |
| What is used to slow the drying time of some finishes and to prevent blush? | Retarder |
| Which type of coating typically includes phosphoric acid as one of its components at the time of application? | Wash primer. |
| Which properly applied finish coat finish topcoat is the most durable and chemical resistance | polyurethane |
| Aluminum-pigment in dope is used primarily to | Reflect-ultraviolet from the fabric |
| A correct use for acetone is to | Remove grease from fabric |
| Which of the following is a hazard associated with sanding on fabric covered surfaces during the finishing process? | Static electricity buildup |
| 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? | Corrosion |
| Fungicidal dopes are used in aircraft finishing as the | First coat to prevent fabric rotting and are applied thin enough to saturate the fabric |
| Before applying a protective coating to any unpainted clean aluminum, you should | Avoid touching the surface with bare hands |
| 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 glossy, blush-free finish |
| What is the usual cause of runs and sags in aircraft finishes? | Too much material applied in one coat |
| Which defect in aircraft finishes may be caused by adverse humidity, drafts, or sudden changes in temerature? | Blushing |
| Which statement is true regarding paint system compatibility? | old wash primer coats may be overcoated directly with epoxy finishes |