11.8 Flashcards
What are the systems that make up the fire protection system?
Fire detection system
Fire extinguishing system
There are 2 continuous loop detection system types which are?
Semi- conductor loop
Pneumatic conductor loop
What happens to the semi conductor material as heat rises?
Decreases electrical resistance
The smoke detector that uses a radiation source is what type?
Ionisation type
How is a fire warming indicated?
Red fire warning light on overhead panel in flight deck
When is fire detection indicated on a dual loop system?
When both loops detect fire
The detection system does not operate when?
Doing an operational test
What additional features does the APU fire protection system have?
Ground warning in nose or main wheel area consisting of a red light and horn
Auto shut down
What type of sensor is a spot sensor?
A bi-metallic switch type
Discharge heads are related to cargo compartments in what way?
Cargo fire extinguishers have discharge heads
A class D compartment consists of?
Lower deck cargo compartment
Small volume, no ventilation
What must be checked on portable extinguishers?
Pressure
What is the maximum bend allowance on a semi-conductor loop system?
3.2mm
What portable extinguisher will be used on class B&E cargo compartment?
None
