Part 5 Fire Protection

  1. What are the indications of an engine fire or overheat condition?
    • A. Illumination of the master warning lights.
    • B. Sounding of the Bell.
    • C. Illumination of the engine FIRE handle.
    • D. Illumination of the engine FUEL switch.
    • E. Level 3 alert (tri-tone) on the EAD.
    • F. Voice alert.
  2. What happens when an engine fire handle is pulled to the fold down position. (all systems in auto)?
    • A. Silences the Bell. (if not previously accomplished)
    • B. The generator field is de-energized.
    • C. Closes the fuel shutoff valve.
    • D. Closes the hydraulic valve.
    • E. Closes the engine bleed, turns off associated pack, and locks associated valve(s) closed.
    • F. Arms the agent discharge.
  3. When will the red light in the engine FUEL switch extinguish during an engine fire?
    The light will extinguish when the FUEL switch is placed to the OFF position and the fire warning is over.
  4. What are the indications of an APU fire or heat?
    • A. Illumination of the Master Warning lights.
    • B. Level 3 alert (tritone) on the EAD.
    • C. Illumination of the APU fire handle on the APU control panel.
    • D. Illumination of the APU FIRE light on the external Apu control panel.
    • E. Sounding of the horn near the external APU control panel.
  5. How many fire extinguishing agent bottles are available to the APU?
    3 bottles, one dedicated automatic bottle, and two bottles from Engine No. 2.
  6. What action is required if the APU fails to shut down automatically during an APU fire?
    Pull the APU FIRE handle.
  7. How is the APU fire agent armed from the external APU control panel?
    Place the APU OFF AGENT ARM switch from the NORMAL position to the APU OFF AGENT ARM position. This will shut down the APU, arm the fire extinguishing system, and de-energize the APU generator field.
  8. When you push the ENG/APU FIRE TEST switch, what indications should you observe if AC power is available on the buses.
    • A. Illumination of Master warning lights (2).
    • B. Level 3 alert messages on the EAD and SD (4 on each).
    • C. Illuminated Engine/APU fire Handles (4).
    • D. Illumination of the engine fuel switches.
    • E. Fire bell sounds. (Cutout by pushing Master warning lights).
    • F. Tri-tone sounds. (APU).
    • G. Illumination of the APU Fire light on the external panel.
  9. What is the power source for the Engine/APU fire extinguishing system?
    The battery direct bus.
  10. What is the power source for the Engine/APU fire detection system?
    The battery bus.
  11. Other than the actual Apu fire, what can cause the Apu fire signal to be generated?
    A rupture #2 air manifold duct from engine 2 inside the APU compartment.
  12. What is the difference between a "FIRE DET FAIL" alert and a FIRE DET FAULT" alert?
    • FAIL......................... system Inoperative
    • FAULT...................... One loop Inoperative
Card Set
Part 5 Fire Protection
MD11 Fire Protection