M6 Part 2

20 Questions | Total Attempts: 312

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M6 Part 2

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Questions and Answers
  • 1. 
    Corrosion caused by microbiological growth prone to occur in aircraft
    • A. 

      Integral tank

    • B. 

      Oil tank

    • C. 

      Hydraulic tank

  • 2. 
    For a compression spring, the major strength consideration is the material’s
    • A. 

      Compressive strength

    • B. 

      Tensile strength

    • C. 

      Shear strength

  • 3. 
    The class of fit used on most standard aircraft bolts is
    • A. 

      Class 1

    • B. 

      Class 3

    • C. 

      Class 4

  • 4. 
    The material most preferred for fair lead, hydraulic seal is
    • A. 

      Rubber

    • B. 

      Copper

    • C. 

      Teflon

  • 5. 
    Skydrol Hydraulic fluid will damage
    • A. 

      Thermoplastic windshield

    • B. 

      Butyl

    • C. 

      Nylon

  • 6. 
    When correct tension is obtained, the number of thread showing outside the turn barrel must not be more than
    • A. 

      1 thread

    • B. 

      1.5 threads

    • C. 

      3 threads

  • 7. 
    Strength of internal wrench MS bolt compared to AN bolt is
    • A. 

      Same

    • B. 

      High

    • C. 

      Low

  • 8. 
     The advantage of gear reduction compared to direct drive in an aircraft engine is
    • A. 

      Increase the propeller efficiency

    • B. 

      Can use a larger engine on the same diameter propeller

    • C. 

      Reduce the torque of the engine

  • 9. 
    Which one of the following materials is non-ferrous?
    • A. 

      Cast iron

    • B. 

      Tool Steel

    • C. 

      Aluminium

  • 10. 
    7 x 19 cable is
    • A. 

      Flexible cable

    • B. 

      Extra-flexible cable

    • C. 

      Performed cable

  • 11. 
    The principle alloy of stainless steel is
    • A. 

      Chromium

    • B. 

      Vanadium

    • C. 

      Molybdenum

  • 12. 
     The term Al-Clad is used to designate a sheet of Aluminium alloy that has a coating of
    • A. 

      Pure Aluminium

    • B. 

      Copper

    • C. 

      Zinc Chromate

  • 13. 
    What type of bearing is used for landing gear wheel?
    • A. 

      Roller bearing

    • B. 

      Ball bearing

    • C. 

      Tapered roller bearing

  • 14. 
    • A. 

      Ground end

    • B. 

      Open end

    • C. 

      Closed and Ground end

  • 15. 
    The locking feature used in the high temperature self-locking nut is achieved by
    • A. 

      Distortion at the end of the nut

    • B. 

      Insert plastic

    • C. 

      Tab nut

  • 16. 
    Copper wire is tinned for protection against
    • A. 

      Corrosion

    • B. 

      Heat

    • C. 

      Wear

  • 17. 
    In the turbojet engine, bearing oil seal is pressurized to
    • A. 

      Keep the bearing cool

    • B. 

      Make the seal more effective

    • C. 

      Maintain sea level pressure in the bearing compartment

  • 18. 
    A combination of residual stresses and corrosive agent will cause
    • A. 

      Filiform corrosion

    • B. 

      Stress corrosion

    • C. 

      Exfoliation corrosion

  • 19. 
    A shake-proof washer has
    • A. 

      Saw tooth serrations

    • B. 

      Two or more tabs

    • C. 

      Thin metal places

  • 20. 
    Fatigue strength of a material is determined by
    • A. 

      Applying an alternating force to the material and determine the number of cycles required to produce fracture

    • B. 

      Applying tension load

    • C. 

      Compressing the material