Embraer 190 - Engines

57 Questions | Total Attempts: 1773

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Embraer Quizzes & Trivia

ENGINES QUESTIONS MADE FROM AOM VOL. 2GOOD LUCK!SANTIAGO STOCKER.


Questions and Answers
  • 1. 
    Two wing-mounted ________________________ engines produce power to the airplane.
    • A. 

      General Electric CF34-10E

    • B. 

      Pratt & Whitney CF34-10E

  • 2. 
    Fuel supplied by the airplane fuel tanks flows to the engine fuel pumps. Upon exiting the tanks, the fuel flows through the ____________________ and then divides into two paths. One flows through the high-pressure fuel pump and returns to the fuel tank as motive flow.
    • A. 

      Low-pressure pump

    • B. 

      High-pressure pump

  • 3. 
    The second flows through the fuel/oil heat exchanger to the ____________________ . The flow leaves the pump and passes through the fuel filter. Once filtered, the fuel flows to the FMU.
    • A. 

      Low-pressure fuel pump

    • B. 

      High-pressure fuel pump

  • 4. 
    The _______________________________ maintains the oil temperature within an acceptable range and heats the engine fuel to prevent freezing.
    • A. 

      Fuel-cooled oil cooler (FCOC)

    • B. 

      Bleed air heat exchanger

  • 5. 
    The ______________________ (FMU) , controlled by the FADEC, meters and distributes the proper amount of fuel for combustion to the injectors under all operating conditions.
  • 6. 
    The fuel filter removes contaminants from the engine fuel. The impending bypass switch indicates _______________ and an imminent bypass condition.
    • A. 

      Fuel filter blockage

    • B. 

      High fuel pressure

  • 7. 
    The Variable Stator Vanes system consists of two fuel driven actuators controlled by the FADEC via FMU. The purpose of the actuators is to optimize the position of the compressor stators as a function of corrected ____ to provide optimum compressor efficiency.
    • A. 

      EGT

    • B. 

      N2

  • 8. 
    Each engine has an independent lubrication system. The oil system lubricates and cools the turbine engine main shaft bearings and the accessory gearbox. Oil is pressurized in the _________________ , it then passes through the filter, the fuel-oil heat exchanger and is then divided into several circuits to lubricate the engine.
    • A. 

      Lubrication pump

    • B. 

      Low pressure oil pump

  • 9. 
    Oil quantity indication is provided for each engine oil tank and is displayed on the MFD. Oil quantity sensors in the __________ detect low oil quantity and trigger the low oil level caution at a specific level.
    • A. 

      Tank

    • B. 

      Line

  • 10. 
    The pump contains one supply and _____ scavenge pumping elements.
    • A. 

      Two

    • B. 

      Four

  • 11. 
    The engine starting system consists of a __________________ (ATS).
  • 12. 
    The engine starting system consists also of a __________________ (SCV).
  • 13. 
    The _______ opens the Starter Control Valve (SCV), providing bleed air from the APU, a ground source, or the opposite engine. The Air Turbine Starter (ATS) is a turbine that accelerates the engine to a self-sustaining rpm level.
    • A. 

      FADEC

    • B. 

      FMU

  • 14. 
    The FADEC closes the ______  when the starter cutout speed is reached.
    • A. 

      ATS (Air Turbine Starter)

    • B. 

      SCV (Starter Control Valve)

  • 15. 
    The FADEC energizes ...
    • A. 

      One igniter for on-ground engine starts and both igniters for in-flight engine starts.

    • B. 

      Both igniter for on-ground engine starts and on igniters for in-flight engine starts.

  • 16. 
    The FADEC initiates ignition at approximately ...
    • A. 

      20% N2 and the fuel flow (metering valve opens) from 30% to 35% N2, depending on the engine start altitude.

    • B. 

      7% N2 and the fuel flow (metering valve opens) from 20% to 25% N2, depending on the engine start altitude.

  • 17. 
    If no light off is detected within ...
    • A. 

      15 s of fuel on, FADEC will automatically turn off ignition and fuel, continue dry motoring for 30 s, then turn on both igniters and turn on fuel again.

    • B. 

      20 s of fuel on, FADEC will automatically turn off ignition and fuel, continue dry motoring for 40 s, then turn on both igniters and turn on fuel again.

  • 18. 
    Subsequently, if no light off is detected after the reintroduction of fuel, the FADEC will not turn off fuel or ignition and the start must be manually aborted ... ...
    • A. 

      15 s after the reintroduction of fuel flow or start duty limit, whichever occurs first.

    • B. 

      30 s after the reintroduction of fuel flow or start duty limit, whichever occurs first.

  • 19. 
    After a light off occurs, the FADEC commands the starter to cutout at approximately ________ , and commands the FMU fuel metering valve to accelerate the engine to ground idle speed.
    • A. 

      40% N2

    • B. 

      50% N2

    • C. 

      60% N2

  • 20. 
    Engine ...
    • A. 

      Cross-bleed air or windmilling can be used for in flight engine starts.

    • B. 

      Cross-bleed air, APU bleed air, or windmilling can be used for in flight engine starts.

    • C. 

      APU bleed air or windmilling can be used for in flight engine starts.

  • 21. 
    An in flight cross-bleed start is identical to an on ground start, but the FADEC automatically controls fuel flow to initiate (Metering valve opens) if _____ has not reached 15% after 15 s.
    • A. 

      N2

    • B. 

      N1

  • 22. 
    For windmill starting, the SCV configures the pneumatic system. The engine start is controlled by the START/STOP selector knob and the FADEC commands ignition at 7% N2 and fuel flow at a minimum of 7.2% N2, or after _____ , whichever occurs first.
    • A. 

      15 s

    • B. 

      30 s

  • 23. 
    The FADEC has no protection for hot starts, hung starts or failure to light off for in flight engine starts. If no light off is detected within _____ after fuel flow is started, the start should be manually aborted.
    • A. 

      15 s

    • B. 

      30 s

  • 24. 
    The FADEC monitors N2 and automatically turns on both igniters and schedules the relight fuel flow in the event of an engine flameout. In addition a __________ is displayed next to the respective engine N2 and represents an auto relight actuation during the engine auto relight attempts. 
    • A. 

      WML icon

    • B. 

      LMW icon

  • 25. 
    If the engine relight does not occur within ____ or N2 falls below 7.2% , the automatic relight can be considered unsuccessful and should be manually terminated by moving the START/STOP selector knob to the STOP position.
    • A. 

      60 s

    • B. 

      30 s

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