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Karteikarten

APU

Ella Davies TYPE RATING DASH 8 Q400 Englisch 45 Karten

Karten in diesem Stapel (45)

  1. 1what is a basic description of the APUgas turbine for ground ops only
  2. 2what does the APU supplystarter/generator 28 VDC
  3. 3Where does the APU feed into the electrical systemright main bus
  4. 4apart from power what does the APU supplybleed air to the ECS
  5. 5what does the APU fadec controlAutomatic start, operation and SU
  6. 6What fire detection systems does the APU have if anyAutomatic fire detection and Extinguisher, manual back up
  7. 7When would the APU shut off valve close? (6)PWR switch light pressed
    Fire detected in tail cone
    EXTG switch is pressed
    AC takes off (WOW)
    Fire Test Activated
  8. 8how long does the bleed air need from being on speed?2 mins
  9. 9what can be said about the bleed systems for the engines and the APUyes, as long as the Engine bleed switches are not on
    Engine bleed air always takes priority
  10. 10what is the AFT safety valve powered byany bleed air
  11. 11how will you know if you have a bleed air faultyou get a fault advisory on the fire panel
  12. 12how will you know if the APU has failedAmber fail light on pwr switch light
  13. 13what other indications may you have with a fail or faultAPU caution on the CWP
    APU FUEL VALVE CLOSED advisory light on (white)
  14. 14what does the APU do in the event of a faultit shuts down automatically
  15. 15what must be done once the APU shuts down automaticallythe pwr switch must be moved to off
  16. 16what features relating to fire protection does the APU haveown fire bottle and fire extinguishing squib
  17. 17APDAdvanced Pneumatic Detection
  18. 18where is the APUs fire detection loopin the tailcone
  19. 19How is the APU fire protection test done?press 'APU PWR' ON
    Press 'FIRE TEST' button
    APU PWR 'fail' Legend on
    'CHECK FIRE DETECT' on CWP
    APU caution on CWP
  20. 20what will the APU do if it detects a fireauto shutdown
  21. 21what lights should illuminate when APU fire protect test is initiatedall BUT
    Fuel valve open
    and blt low
  22. 22what indications will you get if a fire is detected in the APUIndications as test except NO FAULT LIGHT
  23. 23after how long should the APU fire extinguisher bottle operate7 seconds
  24. 24how will you know if the bottle has firedyou'll get a low bottle indication
  25. 25what do we do if the extinguisher failspress EXTG
  26. 26what happens if the rear bay overheatsAPU starting is inhibited
    APU shuts down if running
  27. 27When must the APU be shut downBEFORE TAKE OFF
  28. 28when must the APU not be operating whilst unattendedwhen refuelling with pax onboard
  29. 29what must be done before turning the APU on when refuelling is taking placeinform and ask permission of the refueller
  30. 30when must the APU not be operated in terms of refuellingwhen gravity refuelling
  31. 31whats the min ambient temp for the APU-35 C
  32. 32whats the max ambient in normal conditions+50 C
  33. 33what is the max ambient with inlet louvres installed+ 21 C
  34. 34What must be on to ensure fire detection of the APUBattery Master must be on
  35. 35what are the APU starting limits1 start 60 secs on 5 mins off
    2nd start 60 secs on - maintenance actions req
    must wait 30 mins until 3rd start attempted
  36. 36what may happen if the left tank reaches 480 kgs and collector tank has equalised following eng shutdownthe apu may be starved on fuel, stop or fail to start without any other indication, however prior to this it may surge if air enters the fuel lines
  37. 37where does the APU draw its fuelfrom the LH tank, collector bay
  38. 38how is the fuel fed to the APUgravity fed
  39. 39what does the amber WARN legend of the APU panel indicatethat the APU is available but not connected
  40. 40what may be the adverse result of this indicationthat the batteries may be discharging
  41. 41what are the indications that the APU Gen is onlinegreen ON gen switch light
    APU gen load in MFD
  42. 42how can you turn the APU gens onlinepressing the gen switch lights on
  43. 43what would prevent the APU gens from coming onlineExternal Pwr switch on
  44. 44when is the APU running on ground not permitted-when refuelling by gravity
    icockpit unattended with pax when refuelling
    when de-icing tail
    when temps out of limits
  45. 45What is the APU post automatic shut down procedureBLEED OFF
    GENS OFF
    PWR SWITCH SELECTED OFF

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TYPE RATING DASH 8 Q400 Karteikarten am APU, erstellt von Ella Davies am 13/05/2019.
Erstellt von
Ella Davies
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