Boeing B777 – Fire Protection - SmartCockpit - Airline training guides, Aviation, Operations, Safety

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.

True.

False.

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!

What does the DET FIRE CARGO FWD EICAS message indicate?

Fire detection for the forward cargo compartment is not available.

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

The Forward cargo fire heat sensor is inoperative.

A fire has been detected in the forward cargo compartment.

Correct! Wrong!

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

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

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

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

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

Correct! Wrong!

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

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

An overheat condition exists in the right engine.

A pending overheat condition exists in the right engine.

A fire condition exists in the right engine.

Correct! Wrong!

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

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

Wings, tailcone, and landing gear.

Thrust reversers and avionics bay.

Cockpit, cabin, avionics bay and fuel tanks.

Correct! Wrong!

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

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

The caution beeper sounds.

The fire bell sounds.

The master caution lights illuminate.

Correct! Wrong!

Where are the lavatory fire extinguishers located?

In the water sink compartment.

Behind the storage cabinets.

In the waste container cabinet.

Under the floor.

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 shuts down automatically and the fire bottle discharges automatically.

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

Correct! Wrong!

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

Five.

Four.

Two.

Three.

Correct! Wrong!

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

True.

False.

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.

A fire has been detected in the right engine.

The right engine fire bottle squibs are inoperative.

Correct! Wrong!

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

Rotate the fire switch.

Wait until the fire light extinguishes.

Pull the fire switch to override the lock.

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

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 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.

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

Correct! Wrong!

The APU has only one fire extinguisher bottle.

True.

False.

Correct! Wrong!

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

Fire bottle 1 has discharged or pressure is low.

The fire bottle squibs are inoperative.

This is a normal indication prior to APU start.

Ground maintenance is servicing fire bottle 1.

Correct! Wrong!

What does the DET FIRE APU EICAS message indicate?

A fire has been detected in the APU.

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

The APU fire bottle squibs are inoperative.

APU fire detection is no longer available.

Correct! Wrong!

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

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.

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

Correct! Wrong!

When is the EICAS message BOTTLE DISCH CARGO displayed?

When the fire extinguishing system fails.

When all bottles are completely discharged.

When the first two bottles have completely discharged.

When the extinguisher bottles begin to discharge.

Correct! Wrong!

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

It arms the two rapid dump fire extinguisher bottles.

It arms all five cargo fire extinguisher bottles.

It arms all four cargo fire extinguisher bottles.

It arms all six cargo fire extinguisher bottles.

Correct! Wrong!

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

Fire only.

Smoke only.

Overheat only.

Fire, overheat, and smoke.

Correct! Wrong!

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

False.

True.

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!

Which statement is true concerning a wheel well fire?

Two fire bottles protect the wheel well from fires.

Fire detection loops alert the crew to excessive brake temperatures.

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

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

Correct! Wrong!

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

The APU fire bottle has discharged.

The APU fire bottle is missing.

The APU fire bottle squibs are inoperative.

This is a normal indication prior to APU start.

Correct! Wrong!

Which statement is true concerning a lavatory fire?

An automatic sprinkler system activates if a fire is detected.

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

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!

What does the ENG BTL DISCH illuminated amber light indicate?

The extinguisher bottle is discharged or has low pressure

It indicates which bottle is armed to be discharged.

The extinguisher bottle is has low pressure or overpressure.

The extinguisher bottle has overpressure

Correct! Wrong!

Boeing B777 – Fire Protection