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Chapter 7-2
Fire Protection
| Question | Answer |
|---|---|
| 9. What happens if you do a fire test with the APU running and you hold the test button for more than 10 seconds? | d) APU will shut down |
| 10. What is available in the Flight deck to combat a fire? | d) 1 Hand-held fire extinguisher |
| 11. How is the cabin protected from fire? | d) 4 Hand-held fire extinguishers (2 FWD and 2 AFT) |
| 12. Can both engine fire extinguishing bottles be used for one engine if needed? | d) Yes |
| 13. How many fire extinguishing bottle shots do you have for the engine? | d) 2, A & B. Both bottles can be used for one engine, or one bottle in each engine. |
| 14. Pulling an engine fire handle causes what? | d) Closes the respective engine fuel shutoff valve, closes the respective engine hydraulic shutoff valve, closes the respective engine bleed shutoff valve and closes the crossbleed valve |
| 15. Does pulling an engine fire handle discharge the bottle? | d) No |
| 16. Will the fire handle work without power on the aircraft? | d) Yes, Fire Extinguisher, Hydraulic SOV, and Fuel SOV, are on the HOT BATT BUS. |
| 17. Describe the engine and APU fire detection system. | d) Engine and APU are monitored by two detector loops |
| 18. What are the initial indications of an APU fire? | d) Fire bell and master warning triple chime, red stripe in the APU EMER STOP button, APU FIRE EICAS message and 2 master warning lights |
| 19. On the ground, the APU will shut down automatically _____ seconds after the fire condition is sensed | d) 10 |
| 20. Will the APU automatically shut down on the ground for a fire? | a) 10 seconds after APU fire detection and the APU EMER STOP button has NOT been pressed. |
| 21. Will the APU automatically shutdown in flight for a fire ? | a) No |
| 22. What happens when the APU EMER STOP button is pushed after a fire has been detected? | a) APU shuts off immediately without a 1-minute cooldown, APU fuel shutoff valve (SOV) closes and APU FIRE EXTG button illuminates b) Red stripe bar is replaced by a white striped bar, indicating the APU has shut down. |
| 23. What happens if the APU EMER STOP button is NOT pushed after a fire has been detected? | a) After 1 minute the APU FIRE EXTG button illuminates and APU will automatically shut down after ten seconds on the ground |
| 24. What does it take for the APU FIRE EXTINGUISHER light to illuminate? | a) APU EMER STOP button has been pushed in when an APU fire has been detected, or 60 seconds after an APU fire has been detected and no pilot action has occurred |
| 25. When does the red bar to illuminate on the APU EMER STOP button ? | a) APU fire is detected |