M6 Part 4

20 Questions

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Chemical Quizzes & Trivia

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Questions and Answers
  • 1. 
    Aircraft engine fuel metering unit uses:
    • A. 

      Tension spring

    • B. 

      Compression spring

    • C. 

      Torsion spring

  • 2. 
    • A. 

      Direct chemical attack

    • B. 

      Intergranular corrosion

    • C. 

      Fretting

  • 3. 
    Advanced composite structure repair required curing of resin by
    • A. 

      Heat only

    • B. 

      Pressure only

    • C. 

      Heat and pressure

  • 4. 
    • A. 

      Glass fibre

    • B. 

      Aramid

    • C. 

      Carbon fibre

  • 5. 
    18-8 stainless steel contain
    • A. 

      18% carbon and 8% chromium

    • B. 

      18% titanium and 8% vanadium

    • C. 

      18% chromium and 8% nickel

  • 6. 
    A split pin
    • A. 

      Used twice only

    • B. 

      Use once

    • C. 

      Can be re-used if it is serviceable

  • 7. 
    Almost all blind rivets installation is by
    • A. 

      Pulling of mandrel through the hole until the shear force is reach

    • B. 

      Using rivet gun and buck head

    • C. 

      Using dolly

  • 8. 
    A locking plate
    • A. 

      Can be reuse if serviceable

    • B. 

      Must be discard after used

    • C. 

      Can be used not more than two time

  • 9. 
     If two dissimilar materials mate, which one will corrode first?
    • A. 

      Anodic

    • B. 

      Strongest material

    • C. 

      Hardest material

  • 10. 
    • A. 

      3:2

    • B. 

      16:7

    • C. 

      20:7

  • 11. 
    • A. 

      Thrust bearing

    • B. 

      Roller bearing

    • C. 

      Plain bearing

  • 12. 
    Landing gears wheels use what bearing?
    • A. 

      Roller bearing

    • B. 

      Ball bearing

    • C. 

      Tapered roller bearing

  • 13. 
    Undamaged composite material will give a ______ sound when tap check is done
    • A. 

      Hollow thud

    • B. 

      Hollow vibration

    • C. 

      Solid ringing

  • 14. 
    When considering an engine value spring, other than a smooth surface finish, what properties does the spring require?
    • A. 

      Torsion strength

    • B. 

      Compression strength

    • C. 

      Fatigue strength

  • 15. 
    If a composite damage does not go through the fiber of a fiberglass component,
    • A. 

      Minor damage that must be repaired

    • B. 

      Cosmetic damage and not mandatory to repair

    • C. 

      Major damage

  • 16. 
    A test involving a pendulum hitting a notched material,
    • A. 

      Hardness test

    • B. 

      Impact test

    • C. 

      Tension test

  • 17. 
    The fuel metering in a fuel control unit uses what spring?
    • A. 

      Compression spring

    • B. 

      Tension spring

    • C. 

      Leaf spring

  • 18. 
    • A. 

      Copper

    • B. 

      Magnesium

    • C. 

      Aluminum

  • 19. 
    The hole drilled through the center of the turnbuckle is,
    • A. 

      To ensure terminals are safely engaged

    • B. 

      For use of locking clips and lockwire

    • C. 

      To ensure correct alignment of terminal

  • 20. 
    The main load curried by a rivet is,
    • A. 

      Shear

    • B. 

      Tensile

    • C. 

      Compressive