Fire Protection

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問題一覧

What additional external warnings are activated in case of an APU fire on ground only?

APU fire light accompanied by an external horn warning

Where are the engine fire detectors located?

On the pylon, the fan and the core

The AGENT pushbutton is active when?

FIRE pushbutton is pressed and released

The engine and APU fire protection systems include:

2 fire agent bottles for each engine - 1 fire agent bottle for the APU

When engine FIRE pushbutton is released out, which corresponding valves are closed?

LP fuel and hydraulic fire shutoff valves

In case of an APU fire, how is the APU fire agent normally discharged when the aircraft is on the ground?

Automatically, 3 seconds after auto shutdown

How can a thermal discharge of the APU fire bottle be detected when no electrical power is connected?

By the red disc indicator missing

How many fire detector loops does the APU fire detector system have?

Two

What systems are isolated when APU fire pushbutton is released?

Fuel, air and electrical

Is it necessary to use the APU SHUTOFF switch on the external power panel in case of APU fire auto extinguishing on ground?

Smoke detection systems are installed in:

Avionics bay, cargo compartment and lavatories

With "AVNCS SMOKE" warning activated the amber "SMOKE" light illuminates associated with the:

GEN 1 LINE pb

The avionics bay smoke detector is located in the:

Ventilation extract duct

With the BLOWER + EXTRACT pbs in OVRD the ventilation gets air from the:

Air conditioning inlet valve

Avionic smoke warning is inhibited during take-off from:

80 kts to 1500 ft

Lavatory smoke detectors are situated in each lavatory air extraction duct:

True

At activation of "LAVATORY SMOKE" warning the fire extinguishing system is automatically discharged:

False

Lavatory smoke detectors send warnings to:

ECAM and CIDS

Smoke detection in FWD and AFT cargo compartment is consists of:

2 smoke detectors in FWD Bay, 4 detectors in AFT Bay and SDCU

Air conditioning smoke warning is activated if smoke is detected in the:

No warning system is installed

In case of cargo compartment smoke warning, the agent bottle if discharged should be empty in less than:

1 minute

When pressing the CARGO SMOKE Test pb for at least 3 seconds, the smoke detectors are tested by SDCU, the RED smoke light comes on twice associated with ECAM and the isolation valves close:

True

When an ENG fire pb is released out, the SQUIB lights are illuminated

True

If smoke is detected in the avionics bay, in addition to a single chime, master caution and ECAM caution:

SMOKE light illuminated on the EMER ELEC PWR panel as well as the BLOWER and EXTRACT FAULT lights on the VENTILATION panel

The engines and the APU each have a fire and overheat detection system consisting of:

Two identical gas detection loops (A and B) mounted in parallel and a Fire Detection Unit (FDU)

If the system detects an APU fire while the aircraft is on the ground, what happens?

The system shuts down the APU automatically and discharges extinguishing agent

When the pilot pushes the ENG 1 (or 2) fire p/b, what will be the effect?

Silences the aural fire warning, arms the fire extinguisher squibs, closes the low pressure fuel valve, closes the hydraulic fire shut off valve, closes the engine bleed valve, closes the pack flow control valve, cuts off the FADEC power supply and deactivates the IDG

How many cargo fire extinguisher bottles are installed?

1 bottle that can discharge in either compartment

Can an engine fire be detected if one loop is faulty

Yes

What does the TEST pb verify?

Both

Is the extinguishing system controlled by the FDU:

How is an APU fire on ground normally extinguished:

Automatically

When Engine Fire pb is released out, which valve is affected:

LP fuel is shut off valve, Hyd, Bleed, Pack + Elec Gen relay will de-energize

When the APU Fire pb is released out, the:

APU generator is de-energized

When the ENG Fire pb is released out, what aircraft systems are isolated:

Fuel, air, electricity, hydraulic

Which systems are tested through the Fire test pb?

Both

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