Aircraft Finishes Flashcards
If the 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?
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 blushes
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 top coat is the most durable and chemical resistant?
Polyurethane
Aluminium pigment in dope is used primarily to
reflect ultraviolet from the fabric or exclude sunlight from the fabric
A correct use of acetone is to
remove greases from fabric
Which of the following is a hazard associated with sanding on fabric covered surfaces during the finishing process?
Static electricity buildup
When humidity is low, what is likely to occur if unhydrated wash primer is applied to unpainted aluminium and then, about 30 to 40 minutes later, a finish top coat is applied?
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
When humidity is low, what is likely to occur if hydrated wash primer is applied to unpainted aluminium and then, 30 to 40 mins later, a finish top coat is applied?
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 temperature?
Blushing
What statement is true about regarding paint system compatibility?
Old wash primer coats may be over-coated directly with epoxy finishes
