Fire Detection&Protection

Question 0

How many portable Fire Extinguishers

Answer 0

3 ( 1 in cockpit)

Question 1

How many Bottles

Answer 1

2-(1 for each engine)
1 for APU
1 for Toilet waste basket
2 for cargo ( low rate and high rate)

Question 2

Describe how the low rate and high rate cargo bottles work

Answer 2

Both fire and one discharges slowly over 45 minutes

Question 3

What lights come when TEST switch to WARN

Answer 3

8 total (5 red) (3 green)
L/R Eng, APU Fire Push PBA
L/R Master Warning

Question 4

What are the ICAS Warning messages for the TEST WARN switch

Answer 4

L/R Engine Fire
APU FIRE
L/R Jet Pipe OVHT

Fire bell
Aural (Jet pipe overheat)

Question 5

WARN Position Checks?

FAIL position checks?

Answer 5

Tests all loops for Continuity

Test all loops for system logic, wether or not they work, by shorting them out

Question 6

What are the benefits of a dual loop system

Answer 6

Minimize false warnings cause both loops have to detect the fire
Can dispatch with one loop if the other is inop

Question 7

What happens when L/R Fire push switch light is pressed

Answer 7

Fuel feed SOV closed
10th&14th Stage Bleed Air SOV closed
Hydraulic SOV closed
IDG taken offline
Arms the squibs

Question 8

APU Fire push light pressed

Answer 8

APU SOV closed
Shut down via the fuel solenoid
Disconnects the generator
Arms the squibs

Question 9

Duct Monitor test?

Answer 9

Checks continuity if the loops