Fire Protection

Question 1

There is no difference between APU fire detection/extinguishing whether in flight or on the ground with either engine running.

A. True.
B. False.

Answer 1

A. True

Question 2

A “BOTTLE DISCH APU” displayed on EICAS indicates:

A. The APU fire test has failed.
B. The APU fire extinguisher bottle is low.
C. This is a normal indication prior to APU start.
D. An APU Fire has been fought using one of the 2 APU fire bottles.

Answer 2

B. The APU fire extinguisher bottle is low.

Question 3

What is indicated by the BOTTLE 1 DISCH ENG EICAS message during preflight?

A. Fire extinguishing is no longer available to the LEFT engine
B. The fire bottle squibs are inoperative.
C. Fire bottle 1 has discharged or pressure is low.
D. This is a normal indication prior to engine start.

Answer 3

C. Fire bottle 1 has discharged or pressure is low.

Question 4

Which of the following will unlock the engine fire switch?

A. Pushing the lock override button beneath the fire switch.
B. A fire signal from the respective engine.
C. Placing the fuel cutoff switch to the cutoff position.
D. Any of the above.

Answer 4

D. Any of the above.

Question 5

On the ground, after the FWD CARGO FIRE ARM switch is selected to ARM, all seven bottles discharge immediately.

A. True.
B. False.

Answer 5

B. False.

Question 6

Which of the following statements is TRUE concerning a wheel well fire?

A. There is NO built-in fire extinguishing system for the wheel well.
B. Fires are detected by two smoke detection units in the wheel well.
C. The main wheel well has both fire and overheat detection.
D. A and C are correct.

Answer 6

D. A and C are correct.

Question 7

There is no flight deck indication of lavatory smoke.

A. True.
B. False.

Answer 7

B. False.

Question 8

When the engine fire switch is pulled up, rotating the switch in either direction discharges one extinguisher bottle into the associated engine, and then 30 seconds later discharges the remaining bottle into the same engine.

A. True.
B. False.

Answer 8

B. False.

Question 9

When in flight, and a fire is sensed, the CARGO FIRE protection system automatically discharges two bottles immediately. If the airplane is on the ground within 15 minutes, what happens at touchdown?

A. All remaining metered bottles automatically discharge.
B. Two metered bottles discharge at touchdown and the three remaining
metered bottles discharge after 15 additional minutes.
C. One metered bottle will automatically discharge at a reduced rate.
D. No additional bottles discharge unless the DISCH switch is pushed.

Answer 9

C. One metered bottle will automatically discharge at a reduced rate.

Question 10

When the airplane is on the ground with both engines shut down, a fire signal from either APU fire loop will cause:

A. An EICAS Caution level message APU FIRE.
B. The APU to shut down after a 30 second cool down period.
C. The APU to automatically shut down immediately and the fire bottle
to discharge after a 15 second delay.
D. The OVERHEAT APU EICAS message to display.

Answer 10

C. The APU to automatically shut down immediately and the fire bottle
to discharge after a 15 second delay.

Question 11

In regard to the hydraulic system, pulling an engine fire handle:

A. Will shut off fluid to the associated pump.
B. Allows the associated engine driven pump to continue operating.
C. Depressurizes the engine driven pump.
D. A and C are correct.

Answer 11

D. A and C are correct.

Question 12

Failure of a single channel of an engine fire detection assembly will only be indicated by a status message and may have no accompanying EICAS caution or warning message.

A. True.
B. False.

Answer 12

A. True.

Question 13

Selecting ARM on the FWD cargo fire arm switch will:

A. Configure the FWD equipment cooling system to OVERRIDE mode.
B. Shut down the forward cargo heat.
C. Command the air conditioning packs to provide minimum flow rate consistent with pressurization demands.
D. All the above.

Answer 13

D. All the above.

Question 14

Which of the following are indication(s) of an engine fire?

A. The fire bell sounds.
B. The master CAUTION lights illuminate.
C. The engine FUEL CONTROL (L or R) switch fire warning light illuminates.
D. A and C are correct.

Answer 14

D. A and C are correct.

Question 15

Which of the following are indications of a cargo compartment fire.

A. The master WARNING lights illuminate and the fire bell sounds.
B. The “FIRE CARGO (FWD/AFT)” EICAS message illuminates.
C. The FIRE CARGO (FWD/AFT) fire warning light on the overhead panel
illuminates.
D. All the above.

Answer 15

D. All the above.

Question 16

An EICAS message BOTTLE DISCH CARGO will illuminate when both rapid
discharge extinguisher bottle pressure’s are low.

A. True.
B. False.

Answer 16

A. True.

Question 17

Arming the AFT Cargo Fire Arm switch:

A. Shuts down the Lavatory / Galley vent fans.
B. Puts the FWD and Aft Equipment Cooling system into the override mode.
C. Commands the air conditioning packs to increase flow for passenger comfort.
D. Both A and B.

Answer 17

A. Shuts down the Lavatory / Galley vent fans.

Question 18

If smoke is detected in a lavatory, an aural alert sounds in the lavatory and in the cabin. Other indications include:

A. The flight deck Master Caution illuminates.
B. The seatbelt and return to seat sign illuminates.
C. The lavatory call light flashes and the master call light at the associated
attendant station illuminates.
D. The fire extinguisher discharge light illuminates.

Answer 18

C. The lavatory call light flashes and the master call light at the associated
attendant station illuminates.

Question 19

What are the indications of a wheel well overheat?

A. The red wheel well fire warning light, the fire warning aural, the red master
warning light, and the EICAS memo message.
B. The Caution beeper sounds, the Master Caution lights illuminate, and the EICAS alerting message “OVERHEAT WHEELWELL” appears.
C. Only the EICAS Advisory message.
D. The fire warning aural, the red master warning light, and the red EICAS
warning message.

Answer 19

B. The Caution beeper sounds, the Master Caution lights illuminate, and the EICAS alerting message “OVERHEAT WHEELWELL” appears.

Question 20

EICAS fire warning messages can always be removed using the CANC/RCL button.

A. True.
B. False.

Answer 20

B. False.

Question 21

Which of the following statements are TRUE regarding the Cargo Compartment Fire Protection?

A. Cargo fire suppression is provided for up to 330 minutes.
B. Seven fire extinguisher bottles are available to either the FWD or
AFT cargo compartment.
C. Normally at least two detectors in the same compartment must detect smoke to cause a Warning to be generated.
D. All the above.

Answer 21

D. All the above.

Question 22

When an engine fire switch is pulled:

A. It arms both engine fire extinguishers.
B. The associated engine anti-ice valve closes.
C. The associated engine-driven hydraulic pump depressurizes.
D. All the above.

Answer 22

D. All the above.

Question 23

The flight deck crew rest compartment has a smoke detection system, but no built-in automatic fire extinguishing system.

A. True.
B. False.

Answer 23

A. True.

Question 24

With a loss of either channel of the dual channel engine detector assembly:

A. All fire detection for that engine is lost.
B. Overheat detection is no longer available.
C. Overheat and Fire detection continues operating normally on one detector.
D. Overheat and Fire detection is lost for that engine.

Answer 24

C. Overheat and Fire detection continues operating normally on one detector.

Question 25

The APU is equipped with 2 independent fire bottles.

A. True.
B. False.

Answer 25

B. False.

Question 26

The indication of smoke in the overhead flight crew rest compartment is:

A. Caution beeper and an EICAS caution message SMOKE REST UPR DR 1.
B. The illumination of the Master Warning light and a EICAS warning message
of SMOKE REST UPR DR 1.
C. Caution beeper and an EICAS caution message SMOKE REST UPR DR 4.
D. There is no flight deck indication of smoke in either upper crew rest area.

Answer 26

A. Caution beeper and an EICAS caution message SMOKE REST UPR DR 1.

Question 27

Where is the automatic fire extinguisher located in the lavatory?

A. Each lavatory has a fire extinguisher located in the ceiling.
B. Each lavatory has a fire extinguisher located beneath the sink area.
C. Each lavatory has a fire extinguisher located in a floor compartment.
D. Each lavatory has a fire extinguisher located on the door.

Answer 27

B. Each lavatory has a fire extinguisher located beneath the sink area.

Question 28

What provisions are there for testing the fire and overheat detection system?

A. The fire and overheat detection system has automatic fault testing only.
B. The fire and overheat detection system has manual fault testing only.
C. The fire and overheat detection system has both manual and automatic fault testing.
D. None of the above.

Answer 28

C. The fire and overheat detection system has both manual and automatic fault testing.

Question 29

The main wheel well has fire and overheat detection as well as fire extinguishing.

A. True.
B. False.

Answer 29

B. False.

Question 30

In the event of a fire, Halon from five of the cargo fire bottles is metered into the selected cargo compartment. This allows a steady flow of Halon into the cargo compartment to keep the fire suppressed for a minimum of 400 minutes.

A. True.
B. False.

Answer 30

B. False.

Question 31

What are the indications on the flight deck when cargo fire extinguisher bottle discharge is initiated?

A. The cargo fire discharge switch light illuminates when the first extinguisher bottles begin to discharge.
B. The EICAS advisory message BOTTLE DISCH CARGO is displayed when
the first extinguisher bottles begin to discharge.
C. The CARGO FIRE FWD/AFT warning message is likely to remain after the
fire is extinguished due to smoke in the cargo compartment.
D. A and C are correct.

Answer 31

D. A and C are correct.

Question 32

Pushing the FWD or AFT cargo fire arm switch (ARMED visible) discharges the
extinguishers.

A. True.
B. False.

Answer 32

B. False.