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#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.
#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 .......
#3. 1% Nickel, 1% Carbon, steel is widely used for ..........
#4. What tests are done on adhesive joints?
#5. A thermoplastic fibre reinforced composite is prepared by.
#6. What does MSDS stand for?
#7. The standard wood type for aircraft wood structures is?
#8. Heavy corrosion deposits on clad aluminium alloys should be removed.
#9. Which thread type has the better vibration resistance?
#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?