Fire Detection and Extinguishing Flashcards
The Fire Detection System provides fire warning in the cockpit in case of _________.
The Fire Detection System provides fire warning in the cockpit in case of fire in either main engine compartment or the APU compartment.
The fire detectors are _______.
The fire detectors are photo resistive light sensors, whose electrical resistance decreases with the intensity and color of the light.
What action must be taken to reset the detector system, when the infrared radiation source ceases to emit?
The detector system automatically resets itself, with warning lights off, when the infrared radiation source ceases to emit.
What two colors are the fire detectors sensitive to?
The fire detectors are sensitive to the colors Red and Blue
Other than a fire, what can cause a fire warning light?
A short in a wire, corrosion, water, or sunlight, can cause a fire warning light.
Fire detector switch Position 1 tests the fire sensors where?Fire detector switch Position2 tests the fire sensors where?
Wall mountedDeck mounted
Upon impact or a crash of 10 G’s or more, an omni-directional inertia impact switch automatically fires both explosive cartridges attached to the containers, releasing fire extinguishing agent into ______?
Upon impact or a crash of 10 G’s or more, an omni-directional inertia impact switch automatically fires both explosive cartridges attached to the containers, releasing fire extinguishing agent into both engine compartments.
What does a broken or missing red disk on the fire extinguisher discharge indicator indicate?
A broken or missing red disk on the fire extinguisher discharge indicator indicates that one or both of the container’s thermal relief valve has discharged.
What is the purpose of the “T” style check valves used in the fire extinguishing system?
The purpose of the “T” style check valves used in the fire extinguishing system is to prevent the extinguishing agent from flowing into the other bottle once the squib is fired.
Dents of 0.080 in the extinguisher tubing can be no closer than ________?
No dent may be greater than 0.080 inch in depth or be within 4 inches of each other on the extinguisher tubing.
When does the installed life tracking date, of either type squib begin?
Installed life is 72 months from when the package is opened for the MH-92 HTL cartridge, from the day the package is opened.