2A6X1 Self Test (Mfe)

63 Questions | Total Attempts: 149

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2A6X1 Quizzes & Trivia

Self test study guide


Questions and Answers
  • 1. 
    What form is used to recomend improvements to TO's
    • A. 

      Dd form 1575

    • B. 

      Dd form 1574

    • C. 

      AFTO form 22

    • D. 

      AFTO form 20

  • 2. 
    What are the results of an improved TO recommendation?
    • A. 

      Corrects an error

    • B. 

      Inserts an omitted fact

    • C. 

      Standardizes improved procedures for all personel air force wide

    • D. 

      All of the above

  • 3. 
    What is the ET&D program?
    • A. 

      An integration of hardware, software, maintenance, and diagnostic process to qualify and monitor engine health

    • B. 

      To diagnose monitor and qaulify engine health

    • C. 

      To prevent unnecessary part and engine changes

    • D. 

      None of the above

  • 4. 
    What is the primary goal of the ET&D program?
    • A. 

      Predict, detect, and conduct pre-emptive maintenace of adver trends

    • B. 

      To prevent/limit damage to turbine engines by early detection of performance degradation/ failures

    • C. 

      Forecast time and material requirements days or weeks in advance to minimize ENMCS rates and maintenance man hours

    • D. 

      Reduce shop flow days and increase serviceable spare engine levels

  • 5. 
    How do flightline personnel use ET&D data?
    • A. 

      Increase average ETOW by eliminating time based removals

    • B. 

      Reduce life costs and improve reliability by improved measurement of life used on critical components

    • C. 

      Module matching

    • D. 

      By collecting raw engine data and transferring it to the base maintenance shop for analysis

  • 6. 
    How do depot and product center engineers and technicians utilize the ET&D program?
    • A. 

      To determine if maintenance must be performed before the next flight and/or before next engine change

    • B. 

      To develop engine trend data and provide support to field users by diagnosing engine performance problems

    • C. 

      Collecting raw engine data and transferring it to the base engine maintenance shop foe analysis

    • D. 

      None of the above

  • 7. 
    What is the ET&D program designed to determine?
    • A. 

      To obtain status, condition, and location or aircraft engines

    • B. 

      If mantenance must be performed before the next flight and/or before the next engine change

    • C. 

      Predict, and conduct pre-emptive maintenance analysis of adverse trends

    • D. 

      All of the above

  • 8. 
    What advantage does steel tubing have over aluminum tubing?
    • A. 

      It can withstand rough handling and high pressure

    • B. 

      It is less vulnerable to corrosion

    • C. 

      Steel is easier to to bend with out kinks

    • D. 

      Steel has a higher tolerance of heat

  • 9. 
    Why are flexible hoses used instead or metal tubing in some applications?
    • A. 

      Hoses can be easily fitted to fit an area or application where needed

    • B. 

      Metal tubing is subject to corrosion where flexible hoses are not

    • C. 

      Hoses are especially suitable where a great amount of flexibility is needed and where lines are subject to vibration

    • D. 

      All of the above

  • 10. 
    Why should the radii on a hose be bent as large as possible?
    • A. 

      To avoid kinking of the line

    • B. 

      To allow for strength of the bend

    • C. 

      To provide an uninterupted flow of fluids through the hose

    • D. 

      All of the above

  • 11. 
    What is used to identify hose and tubing system after installation?
    • A. 

      Numbering

    • B. 

      Name of substance flowing through

    • C. 

      Name of componet attatched to hose

    • D. 

      Color coded bands

  • 12. 
    What size fitting should be used for a piece of tubing that is 5/8 inch?
    • A. 

      Number 10

    • B. 

      Number 11

    • C. 

      Number 12

    • D. 

      Number 13

  • 13. 
    What type of connectors can be used in any system no matter what what the pressure is?
    • A. 

      Flared

    • B. 

      Sleeve

    • C. 

      Swage

    • D. 

      All of the above

  • 14. 
    What causes most nicks and scratches on engine plumbing?
    • A. 

      Careless handling of tools during maintenance

    • B. 

      Contamination of fluids

    • C. 

      Wear metals

    • D. 

      Engine plumbing not sealed properly

  • 15. 
    How should dust covers be installed on open lines?
    • A. 

      Over rather than in

    • B. 

      In rather than over

    • C. 

      Tape around

    • D. 

      None of the above

  • 16. 
    What is the allowable limit for a dent in a straight line?
    • A. 

      Less than 20% of diameter and not on the heel of a short bend radius

    • B. 

      Less than 25% of diameter and not on the heel of a short bend radius

    • C. 

      Less than 30% of diameter and not on the heel of a short bend radius

    • D. 

      Less than 50% of diameter and not on the heel of a short bend radius

  • 17. 
    (core engine major module)Bleed air for use by the engine and aircraft is taken form which stages of the compressor assembly
    • A. 

      5th stage

    • B. 

      9th stage

    • C. 

      5th and 9th stages

    • D. 

      12th stage

  • 18. 
    What is the purpose of an air duct through the inside diameter of the compressor rotor?
    • A. 

      Forms a flow path for warming air

    • B. 

      Allows excess air a path to escape

    • C. 

      To pressurize the compressor

    • D. 

      Forms a flow path for pressurizing and cooling air

  • 19. 
    What are the two purposes of the front stator case on the f108 engine?
    • A. 

      To house stator vanes and enclose the compressor rotor

    • B. 

      To direct air and enclose compressor rotor

    • C. 

      To enclose stator vane assembly and increase pressue

    • D. 

      None of the above

  • 20. 
    Which stator stages are housed in the rear stator assembly?
    • A. 

      1st and 5th

    • B. 

      5th and 10th

    • C. 

      6th and 8th

    • D. 

      10th and 12th

  • 21. 
    What helps ensure long life for the combustion chamber?
    • A. 

      Ceramic coating of the inner lining of the combustion chamber

    • B. 

      The combustion chamber is film cooled by CDP air and has special coatings applied to the metal

    • C. 

      Thickness or combustion chamber walls

    • D. 

      None of the above

  • 22. 
    How are HPT  nozzles cooled?
    • A. 

      5th and 10th stage bleed air

    • B. 

      By CDP air that bypasses the the combustion inner and outer liner

    • C. 

      An air duct through the center of compressor

    • D. 

      None of the above

  • 23. 
    Which part of the core engine major module is subjected to the most stress?
    • A. 

      The HPT rotor assembly

    • B. 

      The LPT rotor assembly

    • C. 

      The compressor

    • D. 

      The front stator case

  • 24. 
    How many stages of compression does the f100 have?
    • A. 

      13

    • B. 

      12

    • C. 

      15

    • D. 

      11

  • 25. 
    Which stages of the turbine section drive the rear(n2) compressor?
    • A. 

      1st and 2nd

    • B. 

      5th and 6th

    • C. 

      10th and 12th

    • D. 

      None of the above

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