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A320 Systems > Fire Detection > Flashcards

Fire Detection Flashcards

1
Q

What happens when both Fire Detection loops fail?

A

After 5 seconds, they will trigger the fire alarm

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2
Q

How many Halon bottle are there?

A

2 per engine, 1 for APU, 1 shared for all cargo holds, 1 in the lavatory waste bin (auto and non-alerting)

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3
Q

How many smoke detector cavities are in the cargo holds?

A

1 forward, 2 aft (321 has 3 aft)

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4
Q

When will the detector’s trip?

A

When both loops indicate a fire or one loops detects and the other is inop

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5
Q

Where is the avionics smoke detector?

A

Air extraction duct

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6
Q

What does the ENG FIRE button do?

A 
Silence aural warning
Arms squibs
Closes hydraulic fire shut off valve
Closes low-press fuel valve
Deactivates the IDG
Closes the pack flow control valve
Closes the engine bleed valve
Cuts off FADEC power
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7
Q

What does the GEN 1 LINE pb do?

A

During an avionics smoke detection, it will:
Disconnect generator 1 from electrical system
EXCEPT will continue to power one fuel pump in each wing tank

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8
Q

What is the CAB FAN?

A

Cockpit/cabin recirculation fan. Turned off during aviaoinics smoke detection

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9
Q

When you are complete with shutting down both engines, what remaining systems will the battery power?

A

VHF 1 and the PA

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10
Q

How long does it take to discharge the cargo hold Halon?

A

60 seconds, remember the smoke lights will remain on for the rest of the flight because the hold is full of Halon particles

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11
Q

Engine: 2 eachAPU: 1

A

How many fire bottles per engine / APU?

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12
Q

Yes, a fault in one loop (A or B) does not affect the warning system.

A

Is fire detection available if a loop fails?

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13
Q

Fire warnings.

A

What happens if both loops fail within 5 seconds?

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14
Q
  • Silences the aural fire warning- Arms the fire extinguisher squibs- Closes the LP fuel valve, hydraulic fire shut off valve, engine bleed valve and pack flow control valve.
A

What happens when a FIRE switch is released out?

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15
Q

“DISCH” lights up amber when its fire extinguisher bottle has lost pressure (being discharged).

A

Agent DISCH (amber) indicates what?

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16
Q

ENG FIRE test: a continuous repetitive chime sounds, MASTER WARN lights flash. ENG FIRE (APU) warning appears on ECAM. O the fire panel ENG FIRE p/b lights up red, SQUIB lights come on white if discharge supplies are available. DISCH lights come on amber. On the ENG panel (pedestal), the firelights come on red.

A

What are the indications for an ENG FIRE test? And an APU FIRE test.

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17
Q

This p/b is used for manual APU emergency shutdown- The APU LP fuel shutoff valve closes.- The ECB receives a signal to shutdown sequence (same as the APU automatic shutdown without cool down).- Silences the external warning horn.

A

On the external fire panel what does the APU SHUT OFF Switch do?

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18
Q

When a detector finds smoke in a lavatory, it sends a signal to the CIDS to FWC to cabin and cockpit warnings. Each lavatory waste bin has an automatic fire extinguisher. (Wax type, melts the discharge).

A

What happens if a lavatory waste bin catches fire? And lavatory smoke?

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19
Q

2 fire bottles supply 3 nozzles (1 FWD 2 AFT). Each bottle has 2 discharge head 1 for each compartment.

A

How many fire bottles for CARGO Fire Extinguishing?

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20
Q

2

A

During a cargo smoke drill, how many DISCH lights are illuminated?

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21
Q

The agent is NOT discharged overboard due to bottle overpressure.

A

A red disc in the aircraft skin near the APU indicates what?

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22
Q
  • SQUIB lights up white when the pilot pops the APU FIRE p/b is released out.- Test p/b
A

When is white SQUIB light illuminated?

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23
Q

One.

A

How many fire extinguishing bottles are available for fighting an APU fire?

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24
Q

One smoke detector and one smoke detection control unit.

A

Each lavatory is equipped with…

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25
Q

Silences the aural fire warning arms the squib on the APU fire extinguisher closes the low-pressure fuel valve the APU bleed valve the X bleed valve shuts off the APU fuel pump and deactivates the APU generator.

A

What is the result if you press the APU FIRE pb?

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26
Q

One smoke detector in the air extraction duct of the avionic ventilation system detects smoke in the avionics compartment.

A

What kind of smoke detection is installed in the avionic bay?

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27
Q

The three sensing elements for each engine are located in the pylon nacelle in the engine core and in the engine fan section.

A

Where are the sensing elements for the fire and overheat detection system located?

28
Q

Each engine has two fire extinguishers.

A

How many halon fire extinguishing cylinders are there per engine?

29
Q

If the system detects an APU fire while the aircraft is on the ground it shuts down the APU automatically and discharges the extinguishing agent.

A

What happens if the system detects a APU fire on the ground?

30
Q

Yes.

A

Can the APU FIRE test be done using battery power only?

31
Q

Each lavatory wastebin has an automatic fire extinguishing system.

A

Is a smoke detection or extinguishing system for the wastebins in the lavatory available?

32
Q

Four smoke detectors and a two channel smoke detection control unit.

A

The aft cargo compartment smoke detection system consists of…

33
Q

Yes two fire bottles supply three nozzles (one in the FWD and two in AFT compartment). Bottle 1 is discharged in aprox. 60 s Bottle 2 discharges within aprox. 90 minutes.

A

Is an extinguishing system in the cargo compartments available?

34
Q

The bottle discharges automatically if there is an APU fire when the aircraft is on the ground.

A

When does the APU fire bottle discharge automatically?

35
Q

Silences the aural fire warning arms the fire extinguisher squibs closes the low-pressure fuel valve the hydraulic fire shut off valve the engine bleed valve the pack flow control valve cuts off the FADEC power supply and deactivates the IDG.

A

What is the result if you press the ENG FIRE pb?

36
Q

2 FWD 4 AFT.

A

How many smoke detectors are installed in the cargo compartments?

37
Q

Smoke has been detected in the avionic compartment ventilation duct.

A

Illumination of the GEN 1 LINE SMOKE light indicates…

38
Q
  • Silences the aural fire warning- Arms the fire extinguisher squibs- Closes the hydraulic fire shut off valve- Closes the low-pressure fuel valve- Deactivates the IDG- Closes the pack flow control valve- Closes the engine bleed valve- Cuts off the FADEC power supply
A 
ENG 1 (2) FIRE pb
(FIRE panel)

Pressing it does what?

39
Q

This red light comes on, regardless of the ENG 1 (2) FIRE pb’s position, whenever the fire warning for the corresponding engine is activated.

A 
ENG 1 (2) FIRE LT
(FIRE panel)

When does it come on?

40
Q

A brief push on the button discharges the corresponding fire bottle.SQUIB:Lights up white when the ENG FIRE button is popped for its engine to help the flight crew identify the AGENT pb to be activated.DISCH:Lights up amber when its fire extinguisher bottle has lost pressure.

A 
AGENT 1 (2) pb
(FIRE panel)
  • SQUIB
  • DISCH
41
Q

When the flight crew presses it:- CRC sounds- MASTER WARN lights flash- ENG FIRE warning on ECAMOn the FIRE panel:- ENG FIRE pb lights up red.- SQUIB lights come on white if discharge supplies are available- DISCH lights come on amberOn the ENG panel (pedestal):- FIRE lights come on red

A

TEST pb
(FIRE panel - Engines)

Indications of a good test:

42
Q
  • Shuts down APU- Silences the aural warning- Arms the squib- Closes the low-pressure fuel valve- Shuts off the APU fuel pump- Deactivates the APU generator- Closes the APU bleed valve and X bleed valve
A

APU FIRE pb sw
(FIRE panel)

Pressing it does what?

43
Q

This button becomes active when the pilot pops the APU FIRE button.The flight crew presses it briefly to discharge the fire bottle.SQUIB:Lights up white when the pilot pops the APU FIRE buttonDISCH:Lights up amber when the fire extinguisher bottle has lost pressure.

A

AGENT pb
(FIRE panel - APU)

  • SQUIB Light
  • DISCH Light
44
Q
  • CRC sounds- MASTER WARN lights flash- APU FIRE warning on ECAMOn the APU FIRE panel:- APU FIRE pb lights up red- SQUIB light comes on white- DISCH light comes on amber
A

TEST pb
(FIRE panel - APU)

Indications of a good test:

45
Q

The red APU FIRE light comes when the APU fire warning is activated, regardless of the position of the pb.

A

APU FIRE Light
(FIRE panel)

When does it come on?

46
Q

FIRE Light:Light comes on red when an engine fire warning is triggered.

A

FIRE Light
(ENG panel on pedestal)

  • FIRE Light
47
Q

SMOKE light:This red light, and the associated ECAM warning, come on when the system detects smoke in the indicated compartment.DISCH light:Within 60 seconds after pressing the DISCH pb, this amber light comes on, indicating that the agent bottle has fully discharged.

A

FWD or AFT (lights)
(CARGO SMOKE panel)
SMOKE light
DISCH light

48
Q

This button ignites the squib to discharge the extinguishing agent in the corresponding compartment (FWD or AFT).

A 
DISCH pb (FWD or AFT)
(CARGO SMOKE panel)
49
Q

Pressing this button for at least 3 seconds, and until it is released:- Tests the smoke detectors in sequence.- Turns on the red smoke lights twice.- Displays the ECAM warning.- Closes the ventilation system’s isolation valves.- Turns on the amber DISCH lights.

A

TEST pb
(CARGO SMOKE panel)

Indications of a good test:

50
Q
  • 2-Silences the aural fire warning and arms the fire extinguisher squibs- 1-Closes the hydraulic fire shutoff valve- 2-Closes the low-pressure fuel valve and teh IDG fuel return valve- 1-Deactivates the IDG (FADEC power supply also deactivated)- 2-Closes the pack flow control and engine bleed valves
A

List the actions that occur when an ENGINE FIRE pushbutton is pressed.

51
Q

The fire extinguisher bottle has lost its pressure

A

What does an amber DISCH light mean?

52
Q
  • 2-Silences the aural fire warning and arms the APU fire extinguisher squib- 1-Shuts down the APU (ECB)- 2-Closes the low-pressure fuel valve and shuts OFF the APU fuel pump- 1-Deactivates the APU generator- 2-Closes the APU vleed and X bleed valves
A

List the actions that occur when the APU FIRE pushbutton is pressed.

53
Q

1 Bottle, which can be discharged to either compartment

A

How many fire extinguisher are provided for the cargo compartments?

54
Q
  • Pylon Nacelle- Engine Core- Fan Section
A

Where are the engine fire loops located?

55
Q

If the failure of both loops occurs within 5 seconds of each other, a FIRE warning will be issued

A

What happens if both fire loops fail?

56
Q

2

A

How many fire extinguisher are provided for each engine?

57
Q

7 Lights - CRC Sounds - MASTER WARN lights flash (2) - ENG FIRE pb illuminates red (1) - SQUIB and DISCH lights illuminate (2) - ECAM FIRE WARNING (1) - FIRE light on the ENG panel illuminates (1)

A

What occurs when you press the TEST pushbutton on the ENGINE FIRE panel?

58
Q

1

A

How many fire extinguishers are provided for the APU?

59
Q

5 Lights - CRC Sounds - MASTER WARN lights flash (2) - APU FIRE pb illuminates red (1) - SQUIB and DISCH lights illuminate (1) - ECAM FIRE WARNING (1)

A

What occurs when you press the APU FIRE TEST pushbutton?

60
Q

Yes. The APU will automatically shut down at the APU fire extinguisher will discharge.

A

Does the APU fire extinguisher automatically discharge if a fire is detected on the ground?

61
Q

No

A

Does the APU fire extinguisher automatically discharge if a fire is detected in-flight?

62
Q

Between the respective reservoir and ENG pump

A

Where are the HYD FIRE SHUTOFF VALVES located?

63
Q

Smoke detected in the avionic ventilation ducting

A

What does teh amber SMOKE light in the GEN 1 LINE pushbutton indicate?

64
Q

FIVE 2’s- 2 amber DISCH lights illuminate and extinguish, then- 2 red SMOKE lights illuminate- 2 MASTER WARNING lights with CRC- 2 CARGO SMOKE lines on ECAM- Test runs TWICE to check both Smoke Detector Control Unit (SDCU) channels

A

What are the indications when you TEST the CARGO SMOKE?

65
Q

Yes, during SMOKE configuration

A

Is the skin heat exchanger ever bypassed in flight?

66
Q
  • Both channels detect smoke, OR- One channel faulty and the other detects smoke
A

What does the red SMOKE light in the FWD or AFT pushbutton indicate?

67
Q
  • 2 in FWD cargo- 4 in AFT cargo
A

How many smoke detectors are there?

A320 Systems (21 decks)

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