M6 Part 5 (Final)

19 Questions | Total Attempts: 270

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Chemistry Quizzes & Trivia

Part 5. Last part for m6DO NOT SHARE


Questions and Answers
  • 1. 
    A sake proof washer has
    • A. 

      Saw tooth serrations

    • B. 

      Two or more tabs

    • C. 

      Thin metal places

  • 2. 
    The wrap direction of the top layer of fabric of a composite structure that requires        repair is typically found by
    • A. 

      Determine the direction of the edge of the fabric

    • B. 

      Refer to the structure repair manual

    • C. 

      Using the wrap compass

  • 3. 
    Identification of corrosion for aluminum alloy is present in ______ colour
    • A. 

      White

    • B. 

      Greenish film

    • C. 

      Red

  • 4. 
    For an aircraft with a hydraulic system that operates above 3000psi, the fluid line is most likely to be
    • A. 

      Pure aluminum tubing

    • B. 

      Stainless steel tubing

    • C. 

      Aluminum allot tubing

  • 5. 
    Copper conductiors used in aircraft electrical system are coated with thin nickel or silver to
    • A. 

      Increase conductivity and current carrying capacity

    • B. 

      Increase cable strength and fatigue resistance

    • C. 

      Prevent oxidation and facilitate soldering

  • 6. 
    Which area of the aircraft is most prone to corrosion?
    • A. 

      Fuselage area below the galley and toilet

    • B. 

      Cargo floor

    • C. 

      Wing leading edge

  • 7. 
    A pulley system has an efficiency of 80% with a velocity ratio of 15, the force required to lift a load of 290kg is
    • A. 

      24.2kg

    • B. 

      34.80kg

    • C. 

      23.2k

  • 8. 
    A quick-disconnect coupling consists of
    • A. 

      A flared tube assembly

    • B. 

      A flareless tube assembly

    • C. 

      Two check valves.

  • 9. 
    Which of the following devices are LH as well as RH threads?
    • A. 

      Turnbuckles

    • B. 

      Flareless tube fittings

    • C. 

      Easy nuts

  • 10. 
    Fasteners in the AN, NAS, MS series
    • A. 

      Use UNC or UNF threads

    • B. 

      Are interchangeable with the metric threads

    • C. 

      Have BA and BSF threads

  • 11. 
    The left hand threaded and of a turnbuckle can be identified by
    • A. 

      An inspection hole in the barrel

    • B. 

      A groove or knurl on the barrel

    • C. 

      The letter “L” stamped on the barrel

  • 12. 
    Electrical cables that are expose to the highest temperature on an aircraft are found in the
    • A. 

      Wings

    • B. 

      Fuselage

    • C. 

      Engine

  • 13. 
    Which one of the following American Wire Gauge is able to carry the greatest current load
    • A. 

      AN-16

    • B. 

      AN-18

    • C. 

      AN-22

  • 14. 
    Cables can be tensioned using
    • A. 

      Bolts and Nuts

    • B. 

      Turnbuckles

    • C. 

      Locking wires

  • 15. 
    Inner and outer bearing races are found in
    • A. 

      Ball and Roller Bearings

    • B. 

      Plain Bearing

    • C. 

      Ball bearing only

  • 16. 
    What is age–hardening of a metal
    • A. 

      It is a process where the metal is quenched after heat treatment to develop its properties

    • B. 

      It is a process where the metal is quenched after heat treatment and left it for some time to develop its properties

    • C. 

      It is a process where the metal is left is cooled in still air after heat treatment to develop its properties

  • 17. 
    What is the main purpose of a matrix in a composite?
    • A. 

      To withstand load from the fibre

    • B. 

      To accommodate fibre in a better pattern

    • C. 

      To transfer stresses to the fibre

  • 18. 
    What type of corrosion is caused by two mating surfaces having slight relative motion?
    • A. 

      Electrochemical

    • B. 

      Fretting

    • C. 

      Pitting

  • 19. 
    2024 DD alloy rivets are kept in refrigeration to
    • A. 

      Remove any internal stresses caused by cold working

    • B. 

      Prevent the rivets from age hardening

    • C. 

      Allow the rivets to age harden

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