Fire and Overheat Protection Flashcards
Which component does not have fire protection
Wheel Well
Which component does not have fire detection
Pneumatic ducts
Which components have overheat detection
Engine, Pneumatic ducts
What indicates a fault in one of the fire detector loops
EICAS STATUS message
What kind of fire detector system is used in the cargo compartment
Dual loop smoke detectors
What occurs automatically when an APU fire detected on the ground
The APU shuts down
Where is a fault in the fire detector loops displayed
EICAS status message
Which of the following occurs when a single fault is detected on an engine fire detection loop during test
System reconfigures for single detector operation
What message is displayed when faults are detected on both loops in an engine fire detection system
FIRE/OVHT SYSTEM advisory
Fault monitoring of the cargo smoke detectors only occurs during a system test
True
What is used to induce airflow through the cargo smoke detector
Fans
What warning indications are tested during a fire detection system test
Fire warning bell, discrete lights and master warning lights
Which detectors are checked when the ENG/APU/CARGO FIRE OVHT TEST switch is pushed
Engines, Cargo and APU
When will the fire warning extinguish in the Engine Fire Switch
When the fire signal no longer exists
What does pulling the Engine Fire Switch do
Closes associated engine and spar valves, trips the generator field relay and breaker, arms the fire extinguisher agent switch, closes the engine bleed air valves, closes hydraulic fluid valves to the engine hydraulic pump and silences the fire waning bell.
What should you do if the Engine Fire Switch cannot be pulled out during an engine fire
Push the Fire Override Switch then pull the handle
What is accomplished by rotating the Engine Fire Switch to the stop
Discharge selected fire extinguisher into respective engine nacelle