Fire protection

Question 1

What has fire protection
What has smoke detection

Answer 1

Engines
APU
Cargo
Lavatories
Smoke-avionics section

Question 2

Engine and APU fire detection

Avionics and Lav smoke

Explain

Answer 2

Dual heat det. Loops
Engines have 2 halon bottles
APU 1 bottle
They send signal to FDU

Multi smoke particle detectors in ceilings

And Lav has smoke detector as well.

Question 3

When FDU generates fire alert what happens

Answer 3

Aural chime
Red MW and Eng fire light
Red on ECAM
Eng page appears
Eng fire light appears next to Eng master switch

If APU it is APU page and no 1 light

Question 4

What happens when Eng Fire button is pushed

Answer 4

Chime is silenced
Hyd fire valve closes
LP Eng fuel valve closes
Gen deactivates
Pack flow valve closes
Eng Bleed valve closes
FADEC no power
Squibs armed

10sec count down on ECAM

Question 5

First flight of day fire test look for

Answer 5

MW LIGHT
CHIME ENG 1 fire light
Squibs illuminate
Eng 1 fire Warning
Fire light below Eng 1 master

Question 6

If APU squib is gone it is because

Answer 6

Overpressure

Question 7

APU fire push button does what

Answer 7

Chime stops
LP fuel valve closes/ FP deactivates
APU gen deactivates
APU Bleed and crassbleed valves close
Squib armed

10sec countdown

Question 8

APU fire on ground indications

Answer 8

External horn
Red light on external power panel

APU will automatically shut down and bottle discharge

Question 9

APU operation on ground leave______ on

Why

Answer 9

Batteries

Discharge APU FIRE BOTTLE

Question 10

Forward and aft have smoke detectors if smoke alarms s detected

Answer 10

Inlet and outlet valves close extract fan stops