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Aircraft Technic
Results
#1. ..................... occurs when contaminating moisture or aircraft fluids create a short circuit between an exposed conductor and the aircraft structure or an adjacent exposed conductor at a different potential.
Wet arc tracking
#2. Cobalt steel (used in cobalt drills) has a very high hardness. Cobalt steel tested on the Brinell test would have a BHN number between ...... to .......
300 to 400
600 to 700
#3. 1% Nickel, 1% Carbon, steel is widely used for ..........
Exhaust valves
Ball and roller bearings
#4. What tests are done on adhesive joints?
Shear and peel
Impact and peel
#5. A thermoplastic fibre reinforced composite is prepared by.
A solvent wipe
Corona method
#6. What does MSDS stand for?
Maximum Structural Design System
Material Safety Data Sheet
#7. The standard wood type for aircraft wood structures is?
Spruce
Pine
#8. Heavy corrosion deposits on clad aluminium alloys should be removed.
Chemically by use of trichloroethylene.
Chemically by use of phosphoric acid.
#9. Which thread type has the better vibration resistance?
A fine thread
A course thread
#10. The correct meshing of gears is found by observing the marks made during a gear mesh test. On what part of the tooth should the marks be?