Fire Protection Flashcards
What type of fire protection system do the main wheel wells have?
The main wheel wells have fire detection capability only
Normally, _____ must sense a fire or overheat condition before the pilots are alerted.
Both fire detection loops
If a fault is detected in one of the engine’s fire detection loops,
The system automatically switches to single loop operation
For fire detection, the forward and aft cargo compartments are each equipped with
One smoke detector
The fire and overheat detection system monitors the fire and overheat detector loops for faults
Continuously
What level of fire detection does the nose wheel well have?
No fire detection capability
The APU fire protection system has _____ fire detector loop(s).
2
How many fire extinguisher bottles are installed for discharge into the cargo compartments?
5
Can you effectively fight a cargo fire by arming both compartments before discharge is selected?
No, this results in insufficient extinguishing agent concentration in both compartments
How many APU fire extinguisher bottles are there?
1
An APU fire warning on the ground with both engines shut down causes
Automatic extinguisher discharge
The _____ have a fire detection system; however, there is no fire extinguishing system installed.
Main gear wheel wells
What occurs when a fire is detected in a main wheel well?
The fire bells sounds
When the AFT CARGO FIRE - ARM switch is depressed,
All cargo fire extinguisher bottles are armed
Pushing the CARGO FIRE DISCH switch causes the immediate discharge of how many bottles into the selected cargo compartment?
2
Illumination of the ENG BTL 2 DISCH light on the engine fire panel indicates
Low pressure in the number 2 extinguisher
Which of the following statements is true regarding Aural Alerts?
A bell is used for fire warnings
Pushing the CARGO FIRE DISCH switch on the ground causes the immediate full discharge of two extinguisher bottles into the selected compartment. After a time delay,
One of the three remaining extinguisher bottles is discharged into the selected compartment at a reduced flow
Aural alerts are provided to ensure pilots’ attention, recognition, and response. What is a bell aural alert used for?
Fire warning
How can the fire and overheat detection systems be manually tested?
By pushing the FIRE / OVHT TEST switch
When pushed and held, the FIRE/OVHT TEST switch
Sends fire and overheat test sígnales to the engine, APU, wheel well, and cargo compartment fire detection systems
If the FIRE/OVHT TEST switch is released with the FIRE TEST IN PROG message displayed, the test
Ends without completing
What happens after the CARGO FIRE DISCH switch is pushed?
All extinguishers are committed to the selected component
What occurs when an engine fire extinguisher is discharged?
The ENG BTL (1 or 2) DISCHARGE light illuminates
What occurs if an engine fire is detected?
The Engine FUEL CONTROL switch fire warning light illuminates
How does the APU Fire Warning Horn sound?
Intermittently during ground operations to indicate an APU fire or fire test
Which of the following occurs if an engine overheat is detected?
An EICAS caution message displays
Which of the following is accomplished by pressing the APU FIRE SHUTDOWN switch?
The APU generator field and breaker are tripped
If a fault develops in both detector loops of an engine nacelle, there is no fire or overheat detection and
An EICAS message is displayed
During a manual fire and overheat detection system test,
FIRE TEST IN PROG appears on the EICAS
If the FIRE/OVHT TEST switch is released with FIRE TEST IN PROG message displayed
The test ends without completing
