AIRCRAFT FINISHES
.pdf
School
Philippine State College of Aeronautics, Villamor Air Base, Pasay City (Main Campus)**We aren't endorsed by this school
Course
BSAEE 223
Subject
Chemistry
Date
Dec 19, 2024
Pages
2
Uploaded by HighnessInternet15963
AIRCRAFT MECHANIC REVIEWER PHILIPPINESCHORESCA REVIEW MANUALIf registration numbers are tso be applied to an aircraft with a letter height of 12 inches, what is theminimum space required for the registration mark N1683C?Note:2/3 x height = character width.1/6 x height = width for 1.1/4 x 2/3 height = spacing.1/6 x height = stroke or line width.ans. 52 inchesIf masking tape is applied to an aircraft such as for trim spraying, and is left on for several days and/orexposed to heat, it is likely that the tape willans. Cure to the finish and be very difficult to removeWhat is used to slow the drying time of some finishes and to prevent blush?ans. RetarderWhich type of coating typically includes phosphoric acid as one of its components at the time ofapplication?ans. Wash primerWhich properly applied finish topcoat is the most durable and chemical resistant?ans. PolyurethaneAluminum-pigment in dope is used primarily toans. Exclude sunlight from the fabricA correct use for acetone is toans. Remove grease from the fabricWhich of the following is a hazard associated with sanding on fabric covered surfaces during thefinishing process?ans. Static electricity buildupWhat is likely to occur if unhydrated wash primer is applied to unpainted aluminum and then about 30to 40 minutes later a finish topcoat, when the humidity is low?ans. CorrosionFungicidal dopes are used in aircraft finishing as theans. First coat to prevent rotting and are applied thin enough to saturate the fabricBefore applying a protective coating to any unpainted clean aluminum, you shouldans. Avoid touching the surface with bare handsWhat is likely to occur if hydrated wash primer is applied to unpainted aluminum and then about 30 to40 minutes later a finish topcoat, when the humidity is low?ans. A glossy, blush free finishWhat is the usual cause of runs and sags in aircraft finishes?ans. too much material applied in one coatAMRPHILIPPINES
AIRCRAFT MECHANIC REVIEWER PHILIPPINESCHORESCA REVIEW MANUALWhich defect in aircraft finishes may be caused by adverse humidity, drafts, or sudden changes intemperature?ans. BlushingWhich statement is true regarding paint system compatibility?ans. Old wash primer may be over coated directly with epoxy finishesAMRPHILIPPINES