737 Fire Protection

8 Questions | Total Attempts: 409

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Aircraft Quizzes & Trivia

Questions and Answers
  • 1. 
    Pulling the engine fire warning switch up:
    • A. 

      Closes both the engine fuel shutoff valve and the spar fuel shutoff valve.

    • B. 

      Closes both the engine fuel shutoff valve and the spar fuel shutoff valve only if the battery switch is ON.

    • C. 

      Closes the hydraulic fluid shutoff valve and disables the thrust reverser for the related engine.

    • D. 

      Both a and c.

  • 2. 
    Some of the indications for an engine fire warning are the MASTER CAUTION Lights, the ENG OVERHEAT Light, the Master FIRE WARN Lights and the red fire switch light. What are the other indications?
    • A. 

      The Fire bell.

    • B. 

      A Red ENG OVERHEAT Light illuminates.

    • C. 

      OVERHEAT annunciator light.

    • D. 

      Both a and c are correct

  • 3. 
    Fire extinguishers provide a means of extinguishing engine, APU, wheel well and lavatory fires.
    • A. 

      True

    • B. 

      False

  • 4. 
    Illumination of the APU DET INOP Light will also cause the MASTER CAUTION and OVHT/DET annunciator lights to illuminate.
    • A. 

      True

    • B. 

      False

  • 5. 
    Placing the TEST Switch in the FAULT/INOP position tests:
    • A. 

      The engine overheat detectors.

    • B. 

      The fault detection circuits for both engines and the APU.

    • C. 

      The APU DET INOP light, FAULT light and APU BOTTLE DISCHARGE light.

    • D. 

      The APU DET INOP light and engine overheat detectors.

  • 6. 
    During normal operation as a dual loop system, with the OVHT DET Switch in NORMAL, a fire alert is initiated by both detector loops sensing a fire condition.
    • A. 

      True

    • B. 

      False

  • 7. 
    Pulling up the APU fire warning switch:
    • A. 

      Discharges the APU fire extinguisher.

    • B. 

      Trips the generator control relay, and generator breaker, arms the associated extinguisher and closes the bleed air valve.

    • C. 

      Closes the fuel shutoff valve and the APU inlet door and allows APU FIRE WARNING Switch to rotate.

    • D. 

      Both b and c are correct.

  • 8. 
    The power source for fire extinguishing is:
    • A. 

      Transfer Bus 1.

    • B. 

      The switched battery bus.

    • C. 

      The hot battery bus.

    • D. 

      None of the above