Airbus A340 – Fire Protection and Detection - SmartCockpit - Airline training guides, Aviation, Operations, Safety

Engine fire protection is provided by 2 detection loops which provide informations to a computer (FDU). Which statement about these loops is right?

If both loops break and breaks occur more than 5 seconds apart, a fire warning is generated.

If both loops are working, both loops must sense a certain temperature to generate a fire warning.

If both loops are working and one loop senses a certain temperature, a fire warning is generated.

Correct! Wrong!

When an APU fire is detected on ground, the APU fire light on the External Power Control Panel comes on and in addition:

A horn sounds, the APU Auto shut down occurs, and the APU fire extinguisher bottle is automatically discharged.

A horn sounds, the APU must be shut down using the APU shut off switch on the External Power Panel.

A horn sounds, the APU Auto shut down occurs, and a pilot must discharge the fire bottle.

Correct! Wrong!

Fire extinguishing. Which statement is true?

There is one bottle for each engine.

There is one bottle per cargo compartment.

There are two bottles per engine.

Correct! Wrong!

Broadband system - The smoke detection system consists of 2 optical smoke detectors located in the ventilation system of the corresponding Broadband System in the avionics compartment. When smoke is detected, the smoke light on the PAX BBAND pb-sw on the overhead panel comes on red along with the smoke ECAM warning.

True

False.

Correct! Wrong!

What does an amber ECAM warning ENG 1 FIRE DET FAULT mean?

One loop in the engine 1 fire detection system has failed.

One or two loops of the engine 1 fire detection system has/have failed.

Both loops in the engine 1 fire detection system have failed.

Correct! Wrong!

Smoke has been detected in the AFT cargo compartment. The pilot has pushed the AFT AGENT p/b and bottle 1 has discharged. The bottle 2 :

Will automatically discharge its contents over a period of 2 hours.

Will discharge all its contents immediatly after bottle 1.

Is now held in reserve to fight a fire in the FWD compartment.

Correct! Wrong!

Smoke has been detected in the FWD cargo compartment. The pilot has pushed the FWD AGENT pb. Bottles 1 and 2 have discharged:

All statments are correct.

SMOKE red light on CARGO SMOKE overhead panel turns off when there is no more smoke.

SMOKE red light on CARGO SMOKE overhead panel stays on because smoke is held in cargo compartment.

Correct! Wrong!

APU Fire - The presence of the red disc on the left side of the aircraft fuselage indicates:

The pilot must check the indicator for the second APU bottle on right side of the fuselage.

A red disk, which is outside at the rear of the fuselage, signals that the agent is not discharged overboard due to bottle overpressure.

The APU fire extinguishing bottle has experienced an overpressure discharge.

Correct! Wrong!

Which of the following statements is true?

Two Smoke Detection Control Units (SDCU) are installed for the cargo compartments.

Each engine and the APU are equipped with a fire and overheat detection, and extinguishing system.

Only fire detection is provided for each engine and the APU.

Correct! Wrong!

The fire protection system provides:

Fire detection and extinguishing for the avionics compartment.

Portable fire extinguishers for engines and APU.

Smoke detection and extinguishing for cargo compartments and waste bins.

Correct! Wrong!

For lavatory smoke detection, each lavatory is equipped with:

One heat sensor.

Two smoke detectors.

One smoke detector.

Correct! Wrong!

On the CARGO SMOKE overhead Panel, when does SQUIB illuminate white?

When both bottles are empty.

Only during the cargo smoke test.

When both FWD AGENT and AFT AGENT p/b are pushed.

Correct! Wrong!

When the SMOKE LAVATORY SMOKE red ECAM message appears in the cockpit:

Cabin warnings are also generated for the Cabin Crew.

No indication is available in the cabin.

The cabin crew is alerted by the pilot using the CABIN CALL button.

Correct! Wrong!

Cargo fire protection is provided by:

Automatic smoke detection, automatic fire extinguishing.

Automatic smoke detection, manual fire extinguishing.

Automatic fire detection, automatic fire extinguishing.

Correct! Wrong!

If the ENG FIRE pb is depressed:

The Fuel LP Valve is closed.

The Fuel HP Valve is closed.

Both Fuel HP and LP Valves are closed.

Correct! Wrong!

AGENT pb on Fire overhead panel is operative when:

DISCH light illuminates.

ENG FIRE p/b is pushed and released.

ENG FIRE p/b illuminates red.

Correct! Wrong!

The avionics smoke warning triggers, if:

Both smoke detectors detect smoke for more than 5 s, or one smoke detector detects smoke for more than 10 s.

Both smoke detectors detect smoke for more than 5 s, or one smoke detector detects smoke for more than 5 s, and the other smoke detector is inoperative.

Both smoke detectors detect smoke or one smoke detector detects smoke, and the other smoke detector is inoperative.

Correct! Wrong!

When smoke is detected in the avionics compartment:

AVNCS SMOKE on the VENTILATION Panel illuminates red.

Cabin fans are automatically stopped.

FWD AGENT SMOKE p/b on the CARGO SMOKE Panel illuminates red.

Correct! Wrong!

The fire and overheat detection system of the Main Landing Gear (MLG) consists of 2 fire detection loops (A and B), 2 fire detectors, and a Fire Detection Unit (FDU).

True.

False.

Correct! Wrong!

There are 4 fire detectors not 2.

The smoke detection system of the cargo compartments consists of Smoke detectors, that are housed:

in pairs in cavities within the cargo compartment ceiling and floor panels.

in pairs in cavities within the cargo compartment fuselage panels.

in pairs in cavities within the cargo compartment ceiling panels.

Correct! Wrong!

What does an amber ECAM warning SMOKE DET FAULT mean?

Avionics, cargo and lavatory automatic smoke detection is lost.

Engine smoke detection is not available.

Avionics smoke detection is lost.

Correct! Wrong!

The APU fire extinguishing system includes:

No fire extinguishing bottle.

One fire extinguishing bottle.

Two fire extinguishing bottles.

Correct! Wrong!

If a smoke has been detected in one of the lavatories:

Lavatory ventilation is automatically cut off.

Waste fire extinguisher is automatically triggered.

ECAM message SMOKE LAVATORY SMOKE appears and the cabin crew is automatically alerted.

Correct! Wrong!

"DISCH" comes on amber when the corresponding fire extinguisher bottle has lost pressure.

True

False

Correct! Wrong!

A fire has been detected on engine 1. ENG 1 FIRE p/b and FIRE light of ENG 1 MASTER will extinguish:

When the engine 1 fire is no longer detected.

When the ENG MASTER switch is selected to Off.

When the ENG 1 FIRE p/b is pressed and released.

Correct! Wrong!

Airbus A340 – Fire Protection and Detection