Composites FAA EXAM ALL ANSWERS 100% CORRECT SPRING FALL-2023/24 LATEST GUARANTEED GRADE A+

Cabin upholstery materials installed in current standard category airplanes must A. be fireproof. B. be at least flame resistant. C. meet the requirements prescribed in Part 43. B. be at least flame resistant When balsa wood is used to replace a damaged honeycomb core, the plug should be cut so that A. the grain is parallel to the skin. B. it is about 1/8 inch undersize to allow sufficient bonding material to be applied. C. the grain is perpendicular to the skin C. the grain is perpendicular to the skin One of the best ways to assure that a properly prepared batch of matrix resin has been achieved is to A. perform a chemical composition analysis. B. have mixed enough for a test sample. C. test the viscosity of the resin immediately after mixin B. have mixed enough for a test sample Fiberglass laminate damage that extends completely through one facing and into the core A. cannot be repaired. B. requires the replacement of the damaged core and facing. C. can be repaired by using a typical metal facing patch B. requires the replacement of the damaged core and facing If an aircraft's transparent plastic enclosures exhibit fine cracks which may extend in a network over or under the surface or through the plastic, the plastic is said to be A. hazing. B. brinelling. C. crazing c. Crazing When inspecting a composite panel using the ring test/tapping method, a dull thud may indicate A. less than full strength curing of the matrix. B. separation of the laminates. C. an area of too much matrix between fiber layers B. separation of the laminates Which part(s) of a semi-monocoque fuselage prevent(s) tension and compression from bending the fuselage? A. Ribs and formers. B. Longerons and stringers. C .Bulkheads and skin B. Longerons and Stringers What precaution, if any, should be taken to prevent corrosion inside a repaired metal honeycomb structure? A. Prime the repair with a corrosion inhibitor and seal from the atmosphere. B. Paint the outside area with several coats of exterior paint. . None. Honeycomb is usually made from a man-made or fibrous material which is not susceptible to corrosion. A. Prime the repair with a corrosion inhibitor and seal from the atmosphere Which procedure is correct when using a reamer to finish a drilled hole to the correct size? A. Turn the reamer in the cutting direction when enlarging the hole and in the opposite direction to remove from the hole. B. Turn the reamer only in the cutting direction. C. Apply considerable pressure on the reamer when starting the cut and reduce the pressure when finishing the cut B. Turn the reamer only in the cutting direction Composite fabric material is considered to be the strongest in what direction? A. Fill. B. Warp. C. Bias B. Warp The monocoque fuselage relies largely on the strength of A. longerons and formers. B. skin or covering. C. bulkheads and longerons B. Skin or covering Which of the following drill bit types work best when drilling an aramid fiber (Kevlar(c)) composite laminate? A. Tool steel with standard grind. B. Diamond dust coated. C. Carbide W-Point. C. Carbide W-Point What type of bit should be used to drill holes in Plexiglas? A. A standard twist drill. B. A specially modified twist drill. C. A dulled twist drill B. A specially modified twist drill The installation of Cherrymax and Olympic-Lok rivets is accomplished by utilizing A. rivet gun, special rivet set, and bucking bar. B. a pulling tool. C. ordinary hand tools. B. a pulling tool Which fiber to resin (percent) ratio for advanced composite wet lay-ups is generally considered the best for strength? A. 40:60. B. 50:50. C. 60:40. C. 60:40 One method of inspecting a laminated fiberglass structure that has been subjected to damage is to A. strip the damaged area of all paint and shine a strong light through the structure. B. use dye-penetrant inspection procedures, exposing the entire damaged area to the penetrant solution. C. use an eddy current probe on both sides of the damaged area A. strip the damaged area of all paint and shine a strong light through the structure Hole filing fasteners (for example, MS20470 rivets) should not be used in composite structures primarily because of the A. possibility of causing delamination. B. increased possibility of fretting corrosion in the fastener. C. difficulty in forming a proper shop head A. Possibility of causing delamination A potted compound repair on honeycomb can usually be made on damages less than A. 4 inches in diameter. B. 2 inches in diameter. C. 1 inch in diameter C. 1 inch in diameter The length of time that a catalyzed resin will remain in a workable state is called the A. pot life. B. work life. C. pliable life. A. pot life When necessary, what type of cutting fluid is usually acceptable for machining composite laminates? A. Water soluble oil. B. Water displacing oil. C. Water only. C. Water only The preferred way to make permanent repairs on composites is by A. bonding on metal or cured composite patches. B. riveting on metal or cured composite patches. C. laminating on new repair plies C. Laminating on new repair plies What is the most common method of cementing transparent plastics? A. Heat method. B. Soak method. C. Bevel method. B. Soak method. Which of these methods may be used to inspect fiberglass/honeycomb structures for entrapped water? 1. Acoustic emission monitoring. 2. X-ray 3. Backlighting A. 1 and 2 B. 1 and 3. C. 2 and 3 C. 2 and 3 (Refer to Figure 2) Select the preferred drawing for proper countersinking. A. All are acceptable. B. 2 C. 1 C. 1 A main difference between Lockbolt/Huckbolt tension and shear fasteners (other than their application) is in the A. number of locking collar grooves. B. shape of the head. C. method of installation A. number of locking collar grooves. A factor which determines the minimum space between rivets is the A. length of the rivets being used. B. diameter of the rivets being used. C. thickness of the material being riveted B. diameter of the rivets being used Sandwich panels made of metal honeycomb construction are used on modern aircraft because this type of construction CONTINUED....