Fire Protection Flashcards
Q1: When the Left or Right Engine Fire push switch is pushed what components are affected?
A.
1. Arms both squibs for discharge
2. Engine fuel shutoff closes
3. Engine bleed air valve closes
4. Fan air valve closes
5. Hydraulic shut-off valve closes
6. Variable frequency generator
deactivates
Q2: Where are the engine fire bottles located?
A: Wing to body fairing ·
Q3: What happens when an APU fire is detected on the ground?
A: APU shutdown automatically and discharges the APU fire bottle after 10 seconds
Q4: How many smoke detectors must detect smoke for a Cargo fire warning is initiated?
A:2
Q5: How long does the Cargo compartment slow rate discharge bottle last?
A: 60 minutes (non-ETOPS) or 180 minutes (ETOPS)
Q6: When smoke is detected in the equipment bay what components shut down automatically?
A: RECIRC fan & cargo bay ventilation valves
Q7: Where is the fire bottle located in the Lavatory?
A: Under the sink directed at the waste bin
Q8: How is the fire detection system tested?
A: Fire soft key in the Avionic synoptic page
Q9: How many loops do we have for fire detection?
A. 2
Q10: If 1 fire loop in the left engine were to short, what message on the EICAS would you have, and would you still be able to detect a fire condition?
A: Message would be FIRE SYSTEM FAULT with appropriate info message. YES, the remaining loop would detect a fire condition.
Q11: What does R ENG FIRE DET FAIL Caution message mean?
A: Short, open, or failure of both fire loops in the right engine are unable to
detect a fire condition.
Q12: What EICAS message would you expect to see if you discharged fire bottle 1 into the right engine?
A: ENG BTL 1 LO Advisory message
Q13: What type of agent is used for aircraft fire extinguishing?
A: Halon 1301
Q14: What does an APU FIRE DET FAIL caution EICAS message mean?
A: Both APU detection loops are shorted, open or failed
. Q15: What indicates that the fire extinguisher squibs are armed?
A: A green AVAIL light under the associated Fire Push Switch light.
