Fire Protection Flashcards
Pushing either illuminated Master FIRE WARN light”,” in
flight”,” _____.
Correct Answer 4
1) silences the Fire Warning Bell
2) extinguishes both FIRE WARN lights
3) resets the system for future warnings
4) all of the above
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.)
Correct Answer 1, 3
1) using the Fire Switch Override
2) pulling the Fire Switch up
3) the Fire Switch illuminates
4) rotating the Fire Switch
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
