Fire Protection Flashcards
Which fire detection system uses two wires imbedded in a ceramic core in a tube?
Kiddie
Which fire detection will not test due to a broken detector element?
Bi-metallic switch?
What systems are affected when the fire button is pressed?
Firing circuit prepped for activation
Where do fire extinguishers get their power from?
Battery
What is the pressure that cause the frangible disc to burst?
1700psi
How is a discharged bottle indicated in the cockpit?
Amber light
What problem could occur if an incorrectly rated squib filament is fitted?
The bottle could be discharged if the rating is higher
What are the systems that make up the fire protection system?
Detection
Extinguishing
2 continuous loop detection systems?
Semiconductor
Pneumatic pressure
What happens to the semiconductor material as heat rises?
Resistance decreases, sending the signal to the cockpit
How is a fire warning indicated?
Aural warning
Red lights
Red messages on EICAS/ECAM
When is fire direction indicated on a dual loop system?
When both loops detect it
The detection system does not operate when?
When only one wire detects a fire
What additional features does the APU fire protection have?
Auto shut off
What type of sensor is a spot sensor?
Bi-metallic switch
