257972923 HA OCT 2014 3
Heavy Aero plane OCT 2014
1. Metal fasteners used with carbon/Graphite composite structures
a) May be constructed of any of the metals commonly used in aircraft fasteners
b) Must be constructed of materials such as titanium/CRS
c) Must be constructed of high strength Al-Lithium alloy.
2. Which method may be used to inspect fiberglass/honeycomb structure for entrapped water?
1. Acoustic emission
2. X-ray
3. Back lighting
a) 1 and 2
b) 1 and 3
c) 2 and 3
3. 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 show a strong back light through structure.
b) Use dye-penetrant inspection
c) Use eddy current probe on both sides of damage.
4. What is the material layer used within the vaccum bag pressure system to absorb excess resin during curing called?
a) Release
b) Bleeder
c) Breather
5. The preferred way to make permanent repairs on composites by
a) Bonding on metal or cured patches
b) Riveting on metal or cured patches
c) Laminating on new repair plies.
6. Same question (5) repeated with an extra option.
7. Which of the following are generally characteristic of aramid fiber (kevlar) composites?
a) High tensile strength
b) Flexibility
c) Both a and b
8. Which is considered good practice about installation of acrylics plastics?
a) When rivets are used, adequate spacer or other means to prevent excessive tighting to the frame to the plastics should be avoided.
9. Which is the most common method of cementing transparent plastics?
a) Heat method
b) Soak method
c) Bevel method
10. When holes are drilled completely through Plexiglas,
a) Specially modified twist drill should be used.
11. Black smoky residue streaming back from rivets
a) Fretting corrosion is occurring between rivets and skin.
12. An airplane has good longitudinal stability. It should have min.tendency to
a) Pitch b)Roll c) yaw
13. Angle of incidence
1. Metal fasteners used with carbon/Graphite composite structures
a) May be constructed of any of the metals commonly used in aircraft fasteners
b) Must be constructed of materials such as titanium/CRS
c) Must be constructed of high strength Al-Lithium alloy.
2. Which method may be used to inspect fiberglass/honeycomb structure for entrapped water?
1. Acoustic emission
2. X-ray
3. Back lighting
a) 1 and 2
b) 1 and 3
c) 2 and 3
3. 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 show a strong back light through structure.
b) Use dye-penetrant inspection
c) Use eddy current probe on both sides of damage.
4. What is the material layer used within the vaccum bag pressure system to absorb excess resin during curing called?
a) Release
b) Bleeder
c) Breather
5. The preferred way to make permanent repairs on composites by
a) Bonding on metal or cured patches
b) Riveting on metal or cured patches
c) Laminating on new repair plies.
6. Same question (5) repeated with an extra option.
7. Which of the following are generally characteristic of aramid fiber (kevlar) composites?
a) High tensile strength
b) Flexibility
c) Both a and b
8. Which is considered good practice about installation of acrylics plastics?
a) When rivets are used, adequate spacer or other means to prevent excessive tighting to the frame to the plastics should be avoided.
9. Which is the most common method of cementing transparent plastics?
a) Heat method
b) Soak method
c) Bevel method
10. When holes are drilled completely through Plexiglas,
a) Specially modified twist drill should be used.
11. Black smoky residue streaming back from rivets
a) Fretting corrosion is occurring between rivets and skin.
12. An airplane has good longitudinal stability. It should have min.tendency to
a) Pitch b)Roll c) yaw
13. Angle of incidence