classes of fires
What are the three things required for fire to occur.
- Fuel
- Heat
- Oxygen
What extinguishing agent is only used for class A fires?
Water
Type of detector that uses a bi-metallic switch.
Spot
CFR that designates fire zones and fire procedure on transport category aircraft?
14 CFR
Another name for fire bottles?
HRD bottles
Can cause an explosive reactions if ____ is used on class D fires.
Water
What is the best way to put out an induction fire inside the exhaust or intake?
Keep airflow going
What two things does a Thermocouple use to produce voltage?
2 bimetallic strips
Who designated fire zones?
Manufacturer
What pressurized gas used with halon does a fire bottle typically use?
Nitrogen
What classes of fires is CO2 used on?
A,B,C
How does CO2 extinguish fires?
Smother, Turn to snow, and rid of oxygen.
Continuous loop detector that has a inconel tube with eutectic salt?
Fenwal
Minimal to no airflow fire zone?
Class D
Safety relief valve protects container pressure from exceeding test pressure, in the event of?
Exposure to excessive temps
True or false halon is only used on B-D class fires?
What is the NON-Portable extinguishing system inside larger aircraft called? Typically Spherical?
HRD bottles
Type of detector that uses helium?
Pneumatic Duel/overheat detector
Jet Engine Cowling are usually what type of Fire zone?
Class B
Explosive charge used on fire bottles is called?
A squib
What are the 4 symbols used for classification of fire?
Triangle - A
Square - B
Circle - C
Star - D
What is the strongest/dangerous version of Halon?
1211
what two metals are used in a thermocouple?
Chromel and Constantan
Which fire zone encompasses the APU?
Class C
What are the two colors that indicate a fire bottle has been used.
Red - excessive heat
Yellow - crew activated