Fire Protection Flashcards
Pushing either illuminated Master FIRE WARN light”,” in flight”,” _____.
silences the Fire Warning Bell
extinguishes both FIRE WARN lights
resets the system for future warnings
Pushing the _____ provides the same function as pushing either Master FIRE WARN light for an engine fire warning
Fire Warning BELL CUTOUT switch
The _____ Bus powers the Engine Overheat and Fire Detection. The _____ Bus powers the Engine Fire Extinguishing.
Battery / Hot Battery
If illuminated”,” the ENG OVERHEAT light and Engine Fire Switch remain illuminated until ________.
the temperature drops below the onset temperature
With the OVHT DET switch in the A position”,” _____ can initiate an overheat or fire warning.
only the A detector loop
With the OVHT DET switch selected to “A” during an Overheat/Fire Test”,” a FAULT light (amber) indications means_____.
there is a fault in loop A
If one overheat/fire detector loop fails with the OVHT DET switch on NORMAL”, “the _____.
remaining loop functions as a single loop detector
Rotating an Engine Fire Switch in one direction _____.
electrically fires a squib on one bottle”,” discharging the extinguisher
The _____ Bus powers the APU Fire Detection and the _____ Bus powers the APU Fire Extinguishing.
Battery / Hot Battery
Select the two events that will unlock the APU Fire Switch ______. (Select ALL correct answers.)
using the Fire Switch Override
the Fire Switch illuminates
Pressing the HORN CUTOUT switch on the APU Fire Control Panel (main wheel well) silences the _____ and the APU Fire Warning Light _____.
Fire Warning Bell and APU Fire Warning Horn / stops flashing but remains illuminated
Placing the Overheat/Fire Protection Panel Test Switch to OVHT/FIRE checks ______.
engine”,” APU and wheel well overheat and fire detection circuitry
Placing the Overheat/Fire Protection Panel Test Switch to FAULT/INOP checks _____ and related Flight Deck indicators.
engine and APU module fault detection circuitry
A FAULT light (amber) illuminates during an OVHT FIRE test. This indicates a failure of ______.
at least one loop on an engine
Setting the ENGINES APU EXT/TEST switch to position _____ tests the APU Fire Bottle _____.
1 or 2 / circuit continuity