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01-E2AAA-2-2.2
WP 099 00 (Fire Extinguishing)
| Question | Answer |
|---|---|
| How many fire extinguishing systems are there? | 2 |
| What is the extinguishing agent used? | bromotrifluoromethane |
| What conducts the extinguishing agent from the container to the engine? | seamless stee tubing |
| Pulling a FLUID CUT-OFF PULL handle does ____. | shuts off combustible fluids from the affected engine, feathers the propeller, and shuts down the engine |
| Pressing the FIRE EXT PUSH switch does ____. | discharges the extinguishing agent into the nacelle |
| Where are the discharge indicators located? | on the nacelle skin, near the fire extinguisher container |
| What do the discharge indicators indicate? | whether or not the containers have been discharged through thermal expansion |
| What are the main components of the fire extinguishing system? | FLUID CUT-OFF PULL handles, fire extinguisher containers, discharge indicators, tubing and fire extinguisher switches. |
| The extinguishing agent is forced through the tubing by a ____ charge of nitrogen. | 600 psi |
| Where is the fire emergency control switch assembly located? | on the emergency panel in the cockpit |
| What does the fire emergency control switch indicate? | visual indication of a fire condition in either engine nacelle and a means of cutting off the fuel and hydraulic fluid to that nacelle |
| What does each switch assembly consist of? | fluid cutoff handle, fluid cutoff switch assembly, and two fire warning lights |
| What occurs when a fire ignites in either nacelle? | the cutoff handle lights and shows to which nacelle the fire extinguishing gas should be directed (FIRE L ENG, or FIRE R ENG) |
| When ____ of pull is applied to the handle, the ____ stop the flow of fluids to either engine nacelle. | 9 to 13 pounds; fluid shutoff switches |
| Where are the fire extinguisher containers located? | in the aft end of each nacelle |
| How are the fire extinguisher containers accessed? | when access panel door on the inboard side of the nacelle is opened |
| Each fire extinguisher container contains ____ of ____ and contains ____ of extinguishing agent. | 600 psi charge, nitrogen; 6.5 pounds |
| The extinguishing agent and the nitrogen charge are retained in the container by a ____ in the ____ of the container. | frangible disk; neck |
| The ____ in the container has a ____ that is fired ____ to break the frangible disk to discharge the container. | bonnet assembly; cartridge; electrically |
| What is the fire extinguisher made of? | steel |
| What contains the segments of the frangible disk within the bonnet assembly after the cartridge has been fired? | the stainer in the bonnet |
| What happens when thermal expansion takes place inside the fire extinguisher bottle? | the red disk ruptures and the indicator acts as an overboard vent to relieve the excessive pressure |
| What kind of tubing is used in the fire extinguishing system? | corrosion-and-heat-resistant steel tubing |
| Where are the distributing tube assemblies located? | forward of the engine firewall surrounding the nacelle accessory section and aft of the firewall surrounding the nacelle combustion section |
| How is the fire extinguisher switch (FIRE EXT PUSH) accessed? | after the FLUID CUT-OFF PULL handle is pulled |
Created by:
Dene14
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