Study Guide- Fire Panel

Question 1

What is installed on the engine nacelles, core, and pylons for fire detection?

Answer 1

Fire detection loops

Question 2

What happens if one loop fails?

Answer 2

LOOP fault

Question 3

What happens if both fire loops fail?

Answer 3

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

Question 4

How many fire extinguishers are provided for each engine?

Answer 4

2

Question 5

What does an amber DISCH light mean?

Answer 5

The fire extinguisher bottle has lost its pressure.

Question 6

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

6

Answer 6

-Silences the aural fire warning
-Arms the squibs
-Closes the hydraulic fire valve
-Closes the LP fuel and engine fuel return valves
-Closes the pack flow control and engine bleed valves.
-Deactivates the engine generator

Question 7

Describe the ENGINE FIRE TEST.

5

Answer 7

-CRC sounds
-ENG FIRE pb illuminates red
-SQUIBS, DISCH, and FIRE Pb illuminate.
-ENG page on the ECAM is displayed.
-E/WD displays a red engine fire warning and blue checklist.

Question 8

How many fire extinguishers are provided for the APU?

Answer 8

1

Question 9

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

5

Answer 9

-Silences the fire warning.
-Arms the squib.
-Deactivates the APU generator.
-Closes the LP fuel valve and APU fuel pump.
-Closes the APU bleed valve and xfeed valve.

Question 10

What occurs when you press the APU FIRE TEST pb?

4

Answer 10

-CRC sounds.
-MASTER WARN light flash
-SQUID, DISCH and FIRE Pb lights illuminate.
-ECAM “APU FIRE” WARNING

Question 11

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

What about if in flight?

Answer 11

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

-No.