Fire Protection

Question 1

What fire protection systems are fitted for the engine?

Answer 1

detection and fire extinguishing system

Question 2

How many loops are there in the engine system?

Answer 2

2

Question 3

If a loop is broken will it still work?

Answer 3

Yes

Question 4

How many extinguisher bottles are available for the engines?

Answer 4

2

Question 5

How does pulling the fire handle do?

Answer 5

shut off the hydraulic pump valves, bleed OP/SO, HP, PR/SO, and fuel shut off valves.

Question 6

How do you fire a bottle?

Answer 6

by rotating left or right for DISCH 1 and DISCH 2

Question 7

What can you do if the fire handle cannot be pulled?

Answer 7

by depressing the latch override button installed behind the handle.

Question 8

What indications is there of bottle pressure?

Answer 8

Agent low pressure light “LO 2”

Question 9

Describe an engine fire warning?

Answer 9

Alert 3 (chimes, MWL, MFDU), Fire handle red and fuel lever white.

Question 10

Describe an engine fire warning test?

Answer 10

normal test 1 or 2:
level 3 alert
relevant fire handle on
relevant fuel lever light on
FIRE EN 1/2 messages on MFDU
ENG 1/2 alert light on at the SAP (SAP in back up)

Question 11

What fire protection is fitted or the APU?

Answer 11

fire detection one loop and ire extinguishing

Question 12

Describe an APU fire warning and the result

Answer 12

Fire warning alert 3 is presented. the APU fire shut off valve closes in fuel system automatically, and the APU shuts down. If on ground a warning hor also sounds in nose wheel.

Question 13

APU fire on ground: What is the purpose of the warning horn?

Answer 13

to let ground staff know that there is a APU fire.

Question 14

Describe an APU fire test

Answer 14

press APU fire test button:
level 3 alert
APU fire light on APU panel
FIRE APU on MDU
FIRE APU alert at the SAP (SAP in backup)

Question 15

APU: How long will a fire warning remain active?

Answer 15

as long as the fire condition exists

Question 16

How do you know the bottle has been fired?

Answer 16

Agent LOW pressure light on APU panel

Question 17

What back up is there if an APU bottle doesn’t fire automatically

Answer 17

a discharge switch on APU fire panel.

Question 18

What warning is there of cargo smoke?

Answer 18

a smoke warning is presented. Level 3, local light.

Question 19

CARGO: What happens when you select DISCH 1 or 2

Answer 19

1: immediate total discharge of agent 1. simultaneously agent 2 is discharged at a reduced rate.
2: same agent 1 and 2

Question 20

What warning is there of smoke in a toilet and what is the result?

Answer 20

alert level 2. MCL with message. Nothing happens, crew have to manually check it.

Question 21

Describe a smoke warning system test

Answer 21

press smoke test, if no loop faults exists, triple chime, MWL and cargo smoke lights come on. plus smoke message is displayed on MFDU.