Fire Protection

Question 1

Do the wheel wells have fire detection and protection?

Answer 1

Detection

Question 2

Whats happens for an apu fire on the ground?

Answer 2

for an APU fire on the ground, a nose strut mounted fire warning horn sounds and the APU automatically shuts down.

Question 3

How can you silence an apu fire horn?

Answer 3

The bell or horn may be silenced by any of the following actions:

1. Extinguishing the fire (bell and horn).
2. Pushing either Master Warning/ Caution reset switch (bell).
3. Pulling the appropriate fire switch (bell and horn).
4. Pushing the appropriate cargo compartment armed switch (bell)
5. Pushing the nose strut mounted APU shutdown switch (horn). 6. Pushing the main cargo depressurization switch (bell)

Question 4

Do you get an eicas for main deck cargo fire?

Answer 4

No

Question 5

Do you have fire protection for main deck cargo?

Answer 5

No. Only detection. It is a class E compartment

Question 6

What kind if loops do the engine nacelle and apu have?

Answer 6

Dual

Question 7

What happens to the configuration when a fault is automatically detected in one of the loops?

Answer 7

Reconfigures to single loop

Question 8

Normally do you need both loops to sense to give out a fire warning?

Answer 8

Yes

Question 9

How do you manually unlock the fire switch?

Answer 9

Press the button under the fire switch

Question 10

How many engine fire bottles do we have?

Answer 10

2

Question 11

What happens to the squibs when you pull a fire handle?

Answer 11

Arms one sqib in each bottle

Question 12

When do you get an eng bot 1 or 2 light?

Answer 12

When the bottles are discharged

Question 13

Normally how many apu fire bottles do we have?

Answer 13

1

We have jets with two bottles

Question 14

Does an apu shutdown inflight for a fire?

Answer 14

No

Question 15

Does the apu automatically deploy the fire bottle on the ground for a fire?

Answer 15

No

Question 16

What all does pulling the apu fire switch do?

Answer 16

OUT
- closes APU fuel valve
- shuts down APU, if auto shutdown does not occur
- arms fire extinguishers
- trips APU generator field and generator
- closes APU air supply valve
silences fire warning bell

Question 17

When are the two times when the fault monitoring fir cargo smoke detectors happen?

Answer 17

When power is first applied

When you do a test

Question 18

How many fire bottles for the lower cargo?

Answer 18

3

Question 19

When does the 2nd and 3rd cargo fire bottles deploy?

Answer 19

Bottles 2 and 2a deploy after 30 mins. If you land inside 30 mins, they deploy automatically when you touch down.

Question 20

What kind of loops do main deck have?

Answer 20

Dual

Question 21

What all does pressing the cargo fire depress switch do?

Answer 21

Pushing the CARGO FIRE DEPRESS switch (DEPR CARGO) results in a gradual depressuriza-tion of the aircraft and commands the following actions:

1. Shuts down right pack during two pack operation. With single pack opera-tion the operating pack will go to a low flow.
2. Commands left pack to low flow.
3. Closes valves supplying air to main cargo deck (aft of the smoke barrier).
4. Shuts down supplemental heaters in supernumerary compartment.
5. Illuminates the “USE OXYGEN” alert lights in supernumerary compartment and lavatory.
6. Closes main deck zone trim air valves.
7. Silences the fire bell.
8. Shuts down heat valves in lower cargo compartments.
9. Opens the E/E smoke override valve.
10. Inhibits master warning light and aural warning for cabin Altitude

Question 22

When do you get a fail light on the fire test panel?

Answer 22

If both detectors fail to test, the affected system will turn on the SYS FAIL light.

Question 23

What kind of loop do you have in the wheel well?

Answer 23

Single

Question 24

Do you have fire protection in the wheel well?

Answer 24

No

Question 25

Do you have fire protection in the lower cargo?

Answer 25

Yes

Question 26

What kind of smoke detector is in the lav?

Answer 26

Battery operated

Question 27

Do you get a lv fire indication in the cockpit?

Answer 27

No. But you hear a sound from the lav

Question 28

What kind of extinguisher do you have in the lav?

Answer 28

Automatic fuse plug type extinguisher. Automatically deploys when it senses a fire and the fuse plug melts.

Question 29

How many minutes of fire protection do we have in the lower cargo holds?

Answer 29

195 mins total