Fire Protection

Question 1

During preflight, you notice the BOTTLE DISCH APU message displayed on EICAS. What does this mean?
• The APU fire bottle pressure is low.
• This is a normal indication prior to APU start.
• The APU fire bottle squibs are inoperative.
• An APU Fire has been fought using one of the 2 APU fire bottles.

Answer 1

• The APU fire bottle pressure is low.

Question 2

During preflight, you notice the BOTTLE 1 DISCH ENG message displayed on EICAS. What does this mean?
• Ground maintenance is servicing fire bottle 1.
• The fire bottle squibs are inoperative.
• Fire bottle 1 has discharged or pressure is low.
• This is a normal indication prior to APU start.

Answer 2

• Fire bottle 1 has discharged or pressure is low.

Question 3

What action should you take if the fire switch remains locked after a fire is detected?
• Push the fire override switch, then pull the fire switch.
• Pull fire switch to override the lock.
• Rotate the fire switch.
• Wait until the fire light extinguish

Answer 3

• Push the fire override switch, then pull the fire switch.

Question 4

What happens when an APU fire is detected on the ground and the engines are running?
• The APU shuts down automatically but the fire bottle must be manually discharged.
• The APU does NOT shut down automatically but the fire bottle discharges automatically.
• The APU does NOT shut down automatically and the fire bottle must be discharged manually.
• The APU shuts down automatically and the fire bottle automatically discharges after a 15 second delay.

Answer 4

• The APU shuts down automatically and the fire bottle automatically discharges after a 15 second delay.

Question 5

On the ground, if the FWD CARGO FIRE ARM switch is armed, what happens when the CARGO FIRE DISCH switch is pushed?
• All 5 fire bottles arm and airflow around the cargo compartment is reduced.
• All 7 bottles discharge into the forward cargo compartment.
• One of the metered bottles discharges into the forward cargo compartment.
• Two rapid dump bottles and one metered bottle discharge into the forward cargo compartment.

Answer 5

• Two rapid dump bottles and one metered bottle discharge into the forward cargo compartment.

Question 6

What happens when an APU fire is detected on the ground and the engines are shut down?
• The APU shuts down automatically but the fire bottle must be discharged manually.
• The APU shuts down automatically and the fire bottle discharges automatically.
• The APU does NOT shut down automatically but the fire bottle discharges automatically.
• The APU does NOT shut down automatically and the fire bottle must be discharged manually.

Answer 6

• The APU shuts down automatically and the fire bottle discharges automatically.

Question 7

Which of the following statements is TRUE concerning a wheel well fire?
• There is NO built-in fire extinguishing system for the wheel well.
• Fires are detected by two smoke detection units in the wheel well.
• Two fire bottles protect the wheel well from fires.
• There is only a single loop available for wheel well fire detection.

Answer 7

• There is NO built-in fire extinguishing system for the wheel well.

Question 8

Which of the following statements is TRUE concerning a lavatory fire?
A. The EICAS message SMOKE LAVATORY is displayed.
B. The lavatory extinguisher activates when the smoke detector senses smoke.
C. If smoke is detected, an aural alert sounds and the respective lavatory call
light illuminates.
D. Both A and C are correct.

Answer 8

D. Both A and C are correct.

Question 9

When the engine fire switch is pulled out, rotating the switch in either direction discharges both extinguisher bottles into the associated engine.
A. True.
B. False.

Answer 9

B. False.

Question 10

When inflight, and a fire is sensed, the CARGO FIRE protection system automatically discharges two bottles immediately. The remaining metered bottles discharge ___ minutes later.
• 5
• 20
• 10
• 15

Answer 10

• 15

Question 11

The FIRE CARGO FWD/AFT warning message is likely to remain after the fire is extinguished due to smoke in the cargo compartment.
A. True.
B. False.

Answer 11

A. True.

Question 12

When the airplane is on the ground with both engines shut down, a fire signal from either APU fire loop will cause:
• An EICAS message DET FIRE APU to display.
• The APU to shutdown after a 90 second cool down period.
• The APU to automatically shutdown and the fire bottle to discharge.
• The OVERHEAT APU EICAS message to display.

Answer 12

• The APU to automatically shutdown and the fire bottle to discharge.

Question 13

In regards to the hydraulic system, pulling an engine fire handle:
A. Will shut off fluid to the associated pump.
B. Depressurizes the engine driven pump.
C. Removes power from the thrust reverser isolation valve.
D. All of the above

Answer 13

D. All of the above

Question 14

Failure of a single channel of an engine fire detection assembly will:
• Be indicated by a DET FIRE ENG LIR EICAS message.
• Cause loss of the OVERHEAT protection for the associated engine.
• Cause the system to switch to a single channel operation.
• Automatically unlock the fire switch.

Answer 14

• Cause the system to switch to a single channel operation.

Question 15

Placing the FWD cargo fire arm switch in the ARM position will:
• Put the equipment cooling system into the OVERRIDE mode.
• Shut down the lav galley vent fan.
• Shut down the bulk cargo ventilation system.
• Command the air conditioning packs to provide maximum flow.

Answer 15

• Put the equipment cooling system into the OVERRIDE mode.

Question 16

Which of the following are indication(s) of an engine fire?
A. The fire bell sounds.
B. The master WARNING lights illuminate.
C. The engine FUEL CONTROL (L or R) switch fire warning light illuminates.
D. All the above.

Answer 16

D. All the above.

Question 17

The indications of an APU fire warning are: The fire bell sounds, master WARNING lights illuminate, the EICAS message FIRE APU is displayed, the APU fire warning light in the switch illuminates.
A. True
B. False

Answer 17

A. True

Question 18

Which of the following are indications of a cargo compartment fire?
A. The master WARNING lights illuminate and the fire bell sounds.
B. The “CARGO TEMP HIGH” EICAS message illuminates.
C. The FIRE CARGO (FWD or AFT) fire warning light illuminates.
D. Both A and C.

Answer 18

D. Both A and C.

Question 19

When the cargo fire bottle discharge sequence is initiated:
• The EICAS advisory message BOTTLE DISCH CARGO is displayed when the last two extinguisher bottles have completely discharged.
• The CARGO FIRE FWD / AFT warning message will extinguish immediately due to reduction of temperature in the cargo compartment.
• The CARGO FIRE DISCHARGE switch light illuminates when the first two extinguisher bottles begin to discharge.

Answer 19

• The CARGO FIRE DISCHARGE switch light illuminates when the first two extinguisher bottles begin to discharge.

Question 20

Which of the following areas have dual assembly / loop fire detection?
• Engines, APU and Wheel Well.
• Cargo Compartments.
• Crew Rest Compartment
• Nose Wheel Well.

Answer 20

• Engines, APU and Wheel Well.

Question 21

Arming the AFT Cargo Fire Arm switch ____?
A. Shuts down the Lavatory / Galley vent fans.
B. Puts the 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 21

D. Both A and B

Question 22

If smoke is detected in a lavatory, an aural alert sounds in the lavatory and in the cabin. In addition, ____?
• The flight deck receives a Hi-Lo chime.
• The seatbelt and return to seat sign illuminates.
• The fire extinguisher discharge light illuminates.
• The lavatory call light flashes and the master call light at the associated attendant station illuminates.

Answer 22

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

Question 23

What are the indications of a wheelwell fire?
• The red wheelwell fire warning light, the fire warning aural, the red master warning light, and the EICAS memo message.
• The fire warning aural, the red master warning light, and the EICAS memo message.
• The caution aural, the amber caution light, and the EICAS caution message.
• The fire warning aural, the red master warning light, and the red EICAS warning message.

Answer 23

• The fire warning aural, the red master warning light, and the red EICAS warning message.

Question 24

EICAS fire warning messages will be removed:
• Automatically, when the fire is no longer sensed.
• Manually, with the Cancel / Recall button.
• When the fire bottle is discharged.
• It cannot be removed from the EICAS.

Answer 24

• Automatically, when the fire is no longer sensed.

Question 25

Which of the following statements is true regarding the Engine Fire Protection system?
A. Each engine has dual fire detection assemblies.
B. Engine fire during start will cause a bell to ring in the nose wheel well.
C. Engines have overheat detection.
D. Both A and C.

Answer 25

D. Both A and C.

Question 26

Which of the following statements is TRUE regarding the Cargo Compartment Fire Protection?
A. The forward and aft cargo compartments are divided into three detection zones each.
B. Seven fire extinguisher bottles are shared by FWD and AFT cargo compartments.
C. Pushing the CARGO FIRE DISCHARGE switch causes the immediate discharge of three rapid dump extinguishing bottles.
D. Both A and B.

Answer 26

D. Both A and B.

Question 27

Which of the following occur when an engine fire switch is pulled?
A. Both engine fire extinguisher squibs arm.
B. The associated engine anti-ice valve closes.
C. The associated engine-driven hydraulic pump depressurizes.
D. All the above.

Answer 27

D. All the above.

Question 28

The flight deck crew rest compartment has a smoke detection system, but no fire extinguishing system.
A. True
B. False

Answer 28

A. True

Question 29

How many detector channels are there in each detector assembly?
• Four. ·
• Two.
• One.
• Three.

Answer 29

• Two.

Question 30

How many fire extinguisher bottles are there for the APU?
• One.
• Two.
• Three.
• Four.

Answer 30

• One.

Question 31

What provision is there for main wheel well fire protection?
A. The main wheel well has fire and overheat detection.
B. The main wheel has fire detection and fire protection.
C. The main wheel has overheat detection only.
D. None of the above.

Answer 31

A. The main wheel well has fire and overheat detection.

Question 32

The indication of smoke in the flight crew rest compartment is the EICAS caution message SMOKE REST UPR DR 1.
A. True.
B. False.

Answer 32

A. True.

Question 33

Where is the fire extinguisher located in the lavatory?
• Each lavatory has a fire extinguisher located in the ceiling.
• Each lavatory has a fire extinguisher located beneath the sink area.
• Each lavatory has a fire extinguisher located in a floor compartment.
• Each lavatory has a fire extinguisher located on the door.

Answer 33

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

Question 34

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 34

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

Question 35

Hot brakes alone will not generate enough heat to trigger the Wheel Well Fire Warning.
A. True.
B. False.

Answer 35

A. True.

Question 36

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.
A. True.
B. False.

Answer 36

A. True.

Question 37

What are the indications on the flight deck when a 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 have completely discharged.
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. All of the above

Answer 37

D. All of the above

Question 38

Pushing the FWD or AFT cargo fire arm switch (ARMED visible) arms the extinguishers.
A. True.
B. False.

Answer 38

A. True.