Boeing B777 - Fire Protection

What does the ENG BTL DISCH illuminated amber light indicate?

It indicates which bottle is armed to be discharged.

The extinguisher bottle has overpressure

The extinguisher bottle is has low pressure or overpressure.

The extinguisher bottle is discharged or has low pressure

Correct! Wrong!

Which of the following is not an indication of an engine overheats?

The caution beeper sounds.

EICAS caution message OVERHEAT ENG (L,R) is displayed.

The master caution lights illuminate.

The fire bell sounds.

Correct! Wrong!

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 discharged manually.

The APU does NOT shut down automatically and the fire bottle must be discharged manually.

The APU does not shut down automatically but the fire bottle discharges automatically.

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

Correct! Wrong!

Where are the lavatory fire extinguishers located?

Under the floor.

Behind the storage cabinets.

In the water sink compartment.

In the waste container cabinet.

Correct! Wrong!

Engine Fire and Overheat Detection - There are two detector loops in each engine nacelle. Each detector loop provides both fire and overheat detection. Normally, both loops must detect a fire or overheat condition to cause an engine fire warning or overheat caution.

False.

True.

Correct! Wrong!

Which statement is true concerning a lavatory fire?

There is no built-in fire extinguisher for the lavatories.

An automatic sprinkler system activates if a fire is detected.

An aural warning activates and a light illuminates outside the lavatory if smoke is detected.

The lavatory fire extinguishing system is activated by a discharge switch on the overhead panel.

Correct! Wrong!

On the B777-300, what happens when the CARGO FIRE ARM switch is pushed?

It arms all four cargo fire extinguisher bottles.

It arms all six cargo fire extinguisher bottles.

It arms the two rapid dump fire extinguisher bottles.

It arms all five cargo fire extinguisher bottles.

Correct! Wrong!

During preflight, you notice the BOTTLE 1 DISCH ENG message displayed on EICAS. What does this mean?

Ground maintenance is servicing fire bottle 1.

Fire bottle 1 has discharged or pressure is low.

This is a normal indication prior to APU start.

The fire bottle squibs are inoperative.

Correct! Wrong!

What fire, overheat, or smoke protection is provided for the lavatories?

Fire only.

Fire, overheat, and smoke.

Overheat only.

Smoke only.

Correct! Wrong!

What does the DET FIRE CARGO FWD EICAS message indicate?

There is a detection zone fault in the smoke detector for the forward cargo compartment.

Fire detection for the forward cargo compartment is not available.

A fire has been detected in the forward cargo compartment.

The Forward cargo fire heat sensor is inoperative.

Correct! Wrong!

The APU compartment has dual fire detector loops and can detect overheat conditions.

False.

True.

Correct! Wrong!

Which statement is true concerning a wheel well fire?

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

Fire detection loops alert the crew to excessive brake temperatures.

Fires are detected by two smoke detection units in the wheel well.

Two fire bottles protect the wheel well from fires.

Correct! Wrong!

After the FWD CARGO FIRE ARM switch has been armed, what happens when the CARGO FIRE DISCH switch is pushed?

All five fire bottles arm and airflow around the cargo compartment is reduced.

All four bottles discharge into the forward cargo compartment.

Two rapid dump bottles discharge into the forward cargo compartment.

One of the metered bottles discharges into the forward cargo compartment.

Correct! Wrong!

What does the DET FIRE ENG R EICAS message indicate?

The fire detection system for this engine has automatically reconfigured to single loop operation.

Fire detection for this engine is no longer available.

The right engine fire bottle squibs are inoperative.

A fire has been detected in the right engine.

Correct! Wrong!

During cruise, you notice the OVERHEAT ENG R message displayed on EICAS. What has occurred?

A fire condition exists in the right engine.

A pending overheat condition exists in the right engine.

An overheat condition exists in the right engine.

Overheat detection in the right detection in the right engine has failed.

Correct! Wrong!

When is the EICAS message BOTTLE DISCH CARGO displayed?

When the first two bottles have completely discharged.

When all bottles are completely discharged.

When the fire extinguishing system fails.

When the extinguisher bottles begin to discharge.

Correct! Wrong!

Fire and Overheat Detection System automatically checks for faults in the loops.

True.

False.

Correct! Wrong!

What does the DET FIRE APU EICAS message indicate?

The APU fire bottle squibs are inoperative.

APU fire detection is no longer available.

A fire has been detected in the APU.

The APU fire detection system has automatically reconfigured to single loop operation.

Correct! Wrong!

After a forward cargo fire has been extinguished, what happens when the AFT CARGO FIRE ARM switch is now pushed?

The arming functions for the AFT CARGO FIRE ARM switch activates, but discharge into the aft compartment does not occur.

The arming functions for the AFT CARGO FIRE ARM switch activate and the metered bottles discharge into the aft compartment.

The arming functions for the AFT CARGO FIRE ARM switch does not activate.

The arming function for the AFT CARGO FIRE ARM swıtch performs a self-test.

Correct! Wrong!

How many detectors loops does each each engine have and what states may each loop signal?

There is one loop. The different possible states are: normal, overheat and fault.

There are three loops. The different possible states are: fire, overheat, and fault.

There are two loops. The different possible states are: normal, overheat, fire and fault.

There are two loops. The different possible states are: normal and fault

Correct! Wrong!

What does the DET FIRE CARGO AFT EICAS message indicate?

The aft cargo fire heat sensor is inoperative.

A fire has been detected in the aft cargo compartment.

Fire detection for the aft cargo compartment is not available.

There is a detection zone fault in the smoke detector for the aft cargo compartment.

Correct! Wrong!

What happens when an APU fire is detected on the ground and the engines are shut down?

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

The APU does NOT shut down automatically and the fire bottle must be discharged manually.

The APU does not shut down automatically but the fire bottle discharges automatically.

The APU shuts down automatically but the fire bottle must be discharged manually.

Correct! Wrong!

Which part of the aircraft have fire, overheat or smoke detection systems?

Thrust reversers and avionics bay.

Cockpit, cabin, avionics bay and fuel tanks.

Wings, tailcone, and landing gear.

Engines, APU, main wheel wells, cargo compartments and lavatories.

Correct! Wrong!

What action should you take if the fire switch remains locked after a fire is detected?

Wait until the fire light extinguishes.

Rotate the fire switch.

Pull the fire switch to override the lock.

Push the fire override switch and then pull the fire switch.

Correct! Wrong!

The APU has only one fire extinguisher bottle.

False.

True.

Correct! Wrong!

How many fire extinguisher bottles are installed for the cargo compartment fire extinguishing?

Three.

Two.

Four.

Five.

Correct! Wrong!

During preflight, you notice the BOTTLE DISCH APU message displayed on EICAS. What does this mean?

The APU fire bottle is missing.

The APU fire bottle has discharged.

This is a normal indication prior to APU start.

The APU fire bottle squibs are inoperative.

Correct! Wrong!

Boeing B777 – Fire Protection

Quiz

Boeing B777 - Fire Protection

What does the ENG BTL DISCH illuminated amber light indicate?

Which of the following is not an indication of an engine overheats?

What happens when an APU fire is detected on the ground and the engines are running?

Where are the lavatory fire extinguishers located?

Engine Fire and Overheat Detection - There are two detector loops in each engine nacelle. Each detector loop provides both fire and overheat detection. Normally, both loops must detect a fire or overheat condition to cause an engine fire warning or overheat caution.

Which statement is true concerning a lavatory fire?

On the B777-300, what happens when the CARGO FIRE ARM switch is pushed?

During preflight, you notice the BOTTLE 1 DISCH ENG message displayed on EICAS. What does this mean?

What fire, overheat, or smoke protection is provided for the lavatories?

What does the DET FIRE CARGO FWD EICAS message indicate?

The APU compartment has dual fire detector loops and can detect overheat conditions.

Which statement is true concerning a wheel well fire?

After the FWD CARGO FIRE ARM switch has been armed, what happens when the CARGO FIRE DISCH switch is pushed?

What does the DET FIRE ENG R EICAS message indicate?

During cruise, you notice the OVERHEAT ENG R message displayed on EICAS. What has occurred?

When is the EICAS message BOTTLE DISCH CARGO displayed?

Fire and Overheat Detection System automatically checks for faults in the loops.

What does the DET FIRE APU EICAS message indicate?

After a forward cargo fire has been extinguished, what happens when the AFT CARGO FIRE ARM switch is now pushed?

How many detectors loops does each each engine have and what states may each loop signal?

What does the DET FIRE CARGO AFT EICAS message indicate?

What happens when an APU fire is detected on the ground and the engines are shut down?

Which part of the aircraft have fire, overheat or smoke detection systems?

What action should you take if the fire switch remains locked after a fire is detected?

The APU has only one fire extinguisher bottle.

How many fire extinguisher bottles are installed for the cargo compartment fire extinguishing?

During preflight, you notice the BOTTLE DISCH APU message displayed on EICAS. What does this mean?