Fire Protection Flashcards
The engine fire switches unlock…
automatically for a fire warning.
automatically when the FUEL CONTROL switch is in CUTOFF.
when the Fire Override switch is pushed.
All of the above are correct
All of the above are correct
Pulling an engine fire switch will accomplish all of the following except:
Arms both engine fire extinguishers
Closes the associated engine PRV bleed valve
Trips the associated engine generators off
Removes power to the thrust reverser isolation valve
Closes the associated engine PRV bleed valve
There are both fire detection and extinguishing systems for the following except:
Lavatories
Engines
Wheel wells
APU
Wheel wells
There are multiple dual-channel detector assemblies in each engine nacelle. Normally, at least one element in each channel provides both fire and overheat detection. If a fault is detected in one channel,…
the FIRE/OVHT TEST switch must be pressed to reconfigure the system to a single channel operation.
the remaining channel element automatically switches to single channel operation.
a fire warning is indicated.
the fire/overheat warning system is inoperative.
the remaining channel element automatically switches to single channel operation.
How many fire extinguisher bottles are there for the engines?
1
2
3
4
2
How many fire extinguisher bottles are there for the APU?
1
2
3
None
1
Cargo compartment fire indications include…
fire bell sounds.
master warning lights illumninate and EICAS warning FIRE CARGO (FWD or AFT) displayed.
CARGO FIRE (FWD or AFT) fire warning light illuminates.
All of the above
All of the above
If smoke is detected in the aft cargo compartment, power is removed from the…
upper recirculation fan.
lower recirculation fan.
HF radios.
PECS cooling system
HF radios.
An inflight fire warning from the cargo fire detection system causes the immediate total discharge of ______ of the six extinguisher bottles into the affected compartment.
1
2
3
6
2
If smoke is detected in any lavatory, an aural alert sounds in the lavatory and in the cabin. The lavatory call light flashes and the master call light at the associated attendant station illuminates. Regarding flight deck indications of a lavatory fire, …
the EICAS advisory message SMOKE GALLEY is displayed.
the EICAS advisory message SMOKE LAVATORY is displayed.
the EICAS advisory message SMOKE REST is displayed.
lavatory fire extinguishers are automatic. There is no cockpit indication for lavatory smoke.
the EICAS advisory message SMOKE LAVATORY is displayed.
Lavatory fire extinguisher operation is automatic. Lavatory fire extinguisher discharge is indicated on the Flight Deck by…
the EICAS advisory message LAV EXT.
the status message LAV FIRE EXT.
nothing. While smoke detected in one or more lavatories is indicated with a SMOKE LAVATORY EICAS advisory message, there is no flight deck indication for lavatory fire extinguishers.
the EICAS advisory message DISCHARGE.
nothing. While smoke detected in one or more lavatories is indicated with a SMOKE LAVATORY EICAS advisory message, there is no flight deck indication for lavatory fire extinguishers.
The engine fire switches unlock automatically…
for a fire warning or when the FUEL CONTROL switch is in CUTOFF.
on the ground any time the APU is running.
never. They must be manually unlocked.
when the AUTOSTART switch is on.
for a fire warning or when the FUEL CONTROL switch is in CUTOFF.
With the Cargo Fire Arm switch selected to ARMED, how are the two outflow valves positioned?
Forward valve opens. Aft valve closes to vent smoke via the forward valve.
Both valves close to reduce the through-flow of air.
Forward valve closes. Aft valve opens to vent smoke via the rear valve.
Outflow valves move to 50/50 flow split for air flow stability.
Outflow valves move to 50/50 flow split for air flow stability.
Which of the following have both fire detection and extinguishing systems?
APU, wheel wells and lower crew rest compartments.
Overhead flight crew and flight attendant rest compartments.
Engines, APU, cargo compartments and lavatories.
Cargo compartments and wheel wells.
Engines, APU, cargo compartments and lavatories.
Which statement regarding the APU fire extinguishing system is correct?
Rotating the APU fire switch in the opposite direction will discharge the second bottle.
On the ground with both engines off, an APU fire signal causes APU shutdown and extinguisher bottle discharge.
There are two APU fire extinguisher bottles.
An APU overheat signal causes an automatic shutdown.
On the ground with both engines off, an APU fire signal causes APU shutdown and extinguisher bottle discharge.
On the ground with both engines shut down, what will cause the APU to automatically shutdown and the extinguisher bottle to discharge?
An overheat detected in both loops
A fire detector loop failure
Nothing. The APU can only be shutdown from the flight deck or the APU Ground Control Fire Protection Panel.
An APU fire signal from either APU fire detector loop
An APU fire signal from either APU fire detector loop
What does the EICAS advisory message DET FIRE CARGO AFT indicate?
AFT cargo compartment smoke detection is failed.
A fire has been detected in the aft cargo compartment.
Smoke has been detected in the aft cargo compartment.
An overheat condition has been detected in the aft cargo compartment.
AFT cargo compartment smoke detection is failed.
The cargo and wheel well fire and overheat detection systems are NOT monitored for system faults.
True
False
False
Assuming you have correctly confirmed the affected engine, what action should you take if the fire switch remains locked after a fire is detected?
Push the engine fire switch to override the lock.
Rotate the engine fire switch.
Wait until the fire light extinguishes.
Simultaneously push the engine fire override switch and pull the engine fire switch.
Simultaneously push the engine fire override switch and pull the engine fire switch.
What happens when the CARGO FIRE DISCHARGE switch is pushed on the ground?
All 5 bottles arm and airflow around the cargo compartment is reduced.
All 7 bottles discharge into the selected (ARMED) compartment.
Three extinguisher bottles discharge simultaneously into the selected (ARMED) compartment with the third bottle discharging at a reduced rate.
One of the metered bottles discharges into the selected (ARMED) compartment.
Three extinguisher bottles discharge simultaneously into the selected (ARMED) compartment with the third bottle discharging at a reduced rate.
When the engine fire switch is pulled out, rotating the switch one way in either direction discharges both extinguisher bottles into the associated engine.
True
False
False
Regarding the hydraulic system, pulling an engine fire switch, …
shuts off hydraulic fluid to the associated engine-driven hydraulic pump.
depressurizes the associated engine-driven hydraulic pump.
removes power to the thrust reverser isolation valve.
All of the above are correct.
All of the above are correct.
If smoke is detected in a lavatory, an aural alert sounds in the lavatory and cabin. In addition, …
the flight deck receives a HI/LO chime.
the seatbelt and return to seat sign illuminates.
the lavatory call light flashes and the master call light at the associated attendant station illuminates.
the fire extinguisher light illuminates.
the lavatory call light flashes and the master call light at the associated attendant station illuminates.
EICAS fire warning messages will be removed…
manually with the Cancel/Recall button.
automatically when the fire is no longer sensed.
when the fire bottle is discharged.
only when both engines are shutdown and all power removed at the conclusion of the flight.
automatically when the fire is no longer sensed.
The flight deck crew rest compartment has a smoke detection system, but no fire extinguishing system.
True
False
True
The lavatory fire extinguisher discharges into the…
waste container.
lavatory compartment from the door.
ceiling.
floor compartment.
waste container.
Pushing the FWD or AFT Cargo Fire Arm switch (ARMED), turns off both lower recirculation fans.
True
False
True
The forward and aft cargo compartments are each divided into three smoke detection zones. Smoke detected in any zone generates a fire warning.
True
False
True
Any time lavatory smoke is detected, both the presence and location of smoke in a lavatory is displayed as an EICAS advisory message.
True
False
False
The fire and overheat detection system continuously monitors the fire/overheat loops for faults. If a fault is detected, the system will automatically reconfigure for single loop operation. Complete system failures are indicated by an EICAS advisory message beginning with the letters “DET…” for the failed system.
True
False
True
There is no capability to manually test the fire and overheat detection systems.
True
False
False
