2A551: Aircraft Maintenance Questions! Trivia Quiz

50 Questions | Total Attempts: 174

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2A551: Aircraft Maintenance Questions! Trivia Quiz


Questions and Answers
  • 1. 
    Which law of physics best explains how a jet engine produces forward thrust?
  • 2. 
    What type of energy does a falling object possess?
  • 3. 
    Can energy pass from potential to kinetic and back to potential?
  • 4. 
    When a jet engine reaches idle speed, what determines how the fuel control regulates engine speed?
  • 5. 
    What two forms of energy does a jet engine produces?
  • 6. 
    Approximately what percent of the energy produced by the fuel is needed to maintain the jet engine operating cycle?
  • 7. 
    Where is the point of highest pressure within a jet engine?
  • 8. 
    On a jet engine that does not have an afterburner, where is the point of highest temperature? 
  • 9. 
    Where is the point of highest airflow velocity in a jet engine?
  • 10. 
    After the gases leave the turbine section and enter the exhuast section, what type of velocity do they have?
  • 11. 
    Which turbine drives the front compressor on a duel- spool engine?
  • 12. 
    What unit determines the speed of N2 (high-pressure) rotor in a dual-spool compressor?
  • 13. 
    Which type of compressor is more durable, the axial-flow or the centrifugal?
  • 14. 
    What is the approximate air-to-fuel ratio that is used for the actual burning process in a combustion chamber?
  • 15. 
    In a duel-orifice type of fuel nozzle, fuel is injected into the engine combustion chamber from which orifices for high-engine- thrust operation?
  • 16. 
    Name the three types of turbines.
  • 17. 
    What type of turbine design is used on most jet engines?
  • 18. 
    What is inserted between the rotating blades on multiple- stage turbines?
  • 19. 
    What is the most frequently used method of attaching the turbine blades to the rotor disc?
  • 20. 
    What three types of fasteners are used to secure the turbine blades to the rotor disc?
  • 21. 
    What are the two priniciple configurations of turbine blades?
  • 22. 
    An augmenter is classified as what type of engine?
  • 23. 
    What effect should augmenter operation have on engine operation?
  • 24. 
    What are the major sections of a turboprop engine?
  • 25. 
    How are propeller blades anti-iced?
  • 26. 
  • 27. 
    What fuel control system uses a computer such as a digital electronic engine control (DEEC), digital engine control (DEC), or an electronic engine control (EEC) as primary control of fuel flow? 
  • 28. 
    What component regulates and distributes fuel for most efficient  engine operation at all power settings?
  • 29. 
    What component provides a leaner mixture of fuel for engine starting?
  • 30. 
    What valve drains the fuel manifold on shutdown?
  • 31. 
    What are the principal purposes of an oil system?
  • 32. 
    What is positioned on some oil tanks to give a visual indication of oil level?
  • 33. 
    Classified as to function, what two basic pumps are used in a jet engine oil system?
  • 34. 
    Classified as to structure, what three types of pumps are used most often in jet engine oil systems?  Which of these three is the most common?
  • 35. 
    What are the two types of oil nozzles?
  • 36. 
    What is the purpose of oil system seals?
  • 37. 
    List three types of oil seals used in jet engine.
  • 38. 
    What two items should you check prior to replacing seals?
  • 39. 
    Approximately how many volts does the AC ignition system develop at the igniter plug?
  • 40. 
    What are the main parts of a direct-current ignition system?
  • 41. 
    What component provides high-temperature spark for engine starting?
  • 42. 
    In addition to being light in weight and small in size, what other requirement must be met for aircraft instruments?
  • 43. 
    Oil pressure indicators measure pressure in what unit of measurment?
  • 44. 
    How is a tachometer powered?
  • 45. 
    How is engine fuel-flow measured?
  • 46. 
    What dissimilar metals are used in thermocouples?
  • 47. 
    What is used to analyze oil samples and determine the identity of metal particles worn from oil-wetted parts?
  • 48. 
    What problem most frequently  affects sample integrity?
  • 49. 
    What are the two categories of oil samples that you may be required to take?
  • 50. 
    If a pump fails to operate, what component prevents the reverse flow of fuel through the pump?