Airbus A320 – Pneumatic - SmartCockpit - Airline training guides, Aviation, Operations, Safety

During Normal operation, when would the HP valve open?

At low thrust settings.

At TOGA power.

With pilot intervention on the overhead panel.

When IP pressure is insufficient for the demand.

Correct! Wrong!

When selected ON, the APU bleed air will:

Have priority over engine bleed air.

Supply bleed air only if the X BLEED selector is selected OPEN.

Supply bleed air if the ENG BLEED pbs are selected OFF.

Correct! Wrong!

Air bleed from the engines is:

Cooled in a heat exchanger by cooling air bleed from the Fan section.

Only cooled in air conditioning part.

Not cooled prior to being used by the systems.

Correct! Wrong!

Bleed air normally comes from the _____ of the engine.

Intermediate stage.

Low pressure stage.

High pressure stage.

Correct! Wrong!

If a Bleed Monitoring Computer (BMC) fails:

All systems associated with the failed BMC also fail.

The associated bleed valves close.

The remaining BMC will automatically assume most of the failed BMC’s functions.

Correct! Wrong!

The pneumatic system supplies high-pressure air for air conditioning, engine starting, wing anti-icing, water pressurization and hydraulic reservoir pressurization.

False.

True.

Correct! Wrong!

Temperature regulation is controlled by:

Two pack controllers and the BMCs (Bleed Monitoring Computers)

One zone controller and two pack controllers.

The two BMCs.

Correct! Wrong!

In normal operation which bleed air source has priority?

Engine Bleed.

RAM Air.

Ground Air.

APU.

Correct! Wrong!

Should both channels fail in a zone controller:

The pack is not affected.

Temperature optimization is still available for that zone from another controller.

Temperature optimization and the backup mode are lost.

Correct! Wrong!

The overheat detection system uses a single loop for:

The pylons and APU.

The wings and pylons.

The wings and fuselage.

Correct! Wrong!

The pressure regulating and shutoff valve will close if ___ pressure is _ or ___ airflow occurs.

Upstream / low / reverse.

Downstream / low / reverse.

Downstream / High / reverse.

Correct! Wrong!

Temperature regulation is achieved by the precooler which regulates and limits the temperature at:

150 deg.C.

175 deg.C.

90 deg.C.

200 deg.C.

Correct! Wrong!

In flight if the air pressure is insufficient even with the HP valve open:

Push the High Pressure pb on the overhead panel.

Engine power has to be increased by the pilot.

The engine spools up automatically.

Correct! Wrong!

In automatic mode, the crossbleed valve opens when the system is using APU bleed air.

It closes automatically if the system detects an air leak.

It closes if the system detects an air leak (except during engine start).

It closes if the system detects an air leak (except in flight).

Correct! Wrong!

The APU BLEED pb-sw controls the APU bleed valve. When the flight crew selects ON with the pushbutton, APU bleed air supplies the pneumatic system, if the APU speed is _____. This opens the crossbleed valve and closes the engine bleed automatically.

Above 95 %.

Normal (above 90% RPM).

Above 98% but less than 100%.

Correct! Wrong!

BMC2 takes over all monitoring functions if BMC1 fails except for:

APU and Engine 1 leak detection.

Overpressure detection.

Overheat detection.

Correct! Wrong!

With the loss of pneumatic system pressure, the engine bleed valve will:

Assume the open position.

Remain in its current position.

Assume the closed position.

Correct! Wrong!

The crossbleed valve has three electric motors: one for the automatic mode, one for the manual mode and one for the degraded mode.

False.

True.

Correct! Wrong!

The crossbleed valve has two electric motors: one for the automatic mode and one for the manual mode.

If bleed air is being supplied by the APU or if one pack fails, pack flow will go to _____ rate.

Low.

Medium.

High.

Correct! Wrong!

Each bleed valve is electrically operated and controlled by its associated BMC (Bleed Monitoring Computer).

False.

True.

Correct! Wrong!

Each bleed valve is pneumatically operated and controlled electrically by its associated BMC.

If APU Bleed is ON and the crossbleed valve is shut, the Engine bleed valve 2 remains open.

True.

False.

Correct! Wrong!

The AUTO position of the X BLEED selector opens the crossbleed if:

The APU bleed valve is open.

When engine start is selected.

An engine bleed valve is open.

Correct! Wrong!

When engine and wing anti-ice are in use, and a BMC detects a bleed leak:

The wing anti-ice on the associated side will be lost, and the engine anti-ice on the associated side will continue to function.

Only the engine anti-ice on the associated side will be lost.

The wing and engine anti-ice on the associated side will be lost.

Correct! Wrong!

Engine Bleed Indications – The Precooler outlet temperature is normally in green. It becomes amber, if:

The BMC detects an overheat or low pressure.

The BMC detects an overheat or low temperature.

The BMC detects an overheat.

Correct! Wrong!

For what condition will the APU BLEED FAULT light illuminate amber?

APU overheat or bleed leak.

APU bleed leak.

APU overheat.

Correct! Wrong!

An ECAM caution will also appear.

What happens when pressure and temperature are not sufficient to supply the corresponding engine bleed valve?

HP valve closes, IP stage remains in the same configuration.

HP valve closes.

HP valve opens, IP stage remains in the same configuration.

Correct! Wrong!

A leak detection system detects any overheating in the vicinity of hot air ducts.

True.

False.

Correct! Wrong!

If BMC1 (Bleed Monitoring Computer) fails BMC2 takes over all monitoring functions except:

Engine 1 and APU leak detection.

Overheat detection.

Automatic cross-bleed valve control.

Correct! Wrong!

Engine bleed air temperature is controlled by:

Conditioned air from the mixing unit.

Conditioned air from the Bleed Monitoring Computers (BMC1 and BMC2).

A pre-cooler that uses fan air.

Correct! Wrong!

A check valve near the crossbleed duct protects the APU, when bleed air comes from another source.

False.

True.

Correct! Wrong!

Air is normally bled from the intermediate pressure stage (IP) of engine’s high-pressure (HP) compressor to minimize fuel penalty.

True.

False.

Correct! Wrong!

The lavatory/galley extract fan operates:

Only in flight.

Only on the ground.

Continuously when electrical power is available.

Correct! Wrong!

Recirculation fans in the air conditioning system direct filtered cabin air to which area?

The avionics compartment.

The pneumatic duct that is upstream of the packs.

The Mixing unit.

Correct! Wrong!

Airbus A320 – Pneumatic

Airbus A320 – Pneumatic

During Normal operation, when would the HP valve open?

When selected ON, the APU bleed air will:

Air bleed from the engines is:

Bleed air normally comes from the _____ of the engine.

If a Bleed Monitoring Computer (BMC) fails:

The pneumatic system supplies high-pressure air for air conditioning, engine starting, wing anti-icing, water pressurization and hydraulic reservoir pressurization.

Temperature regulation is controlled by:

In normal operation which bleed air source has priority?

Should both channels fail in a zone controller:

The overheat detection system uses a single loop for:

The pressure regulating and shutoff valve will close if _____ pressure is _____ or _____ airflow occurs.

Temperature regulation is achieved by the precooler which regulates and limits the temperature at:

In flight if the air pressure is insufficient even with the HP valve open:

In automatic mode, the crossbleed valve opens when the system is using APU bleed air.

The APU BLEED pb-sw controls the APU bleed valve. When the flight crew selects ON with the pushbutton, APU bleed air supplies the pneumatic system, if the APU speed is _____. This opens the crossbleed valve and closes the engine bleed automatically.

BMC2 takes over all monitoring functions if BMC1 fails except for:

With the loss of pneumatic system pressure, the engine bleed valve will:

The crossbleed valve has three electric motors: one for the automatic mode, one for the manual mode and one for the degraded mode.

If bleed air is being supplied by the APU or if one pack fails, pack flow will go to _____ rate.

Each bleed valve is electrically operated and controlled by its associated BMC (Bleed Monitoring Computer).

If APU Bleed is ON and the crossbleed valve is shut, the Engine bleed valve 2 remains open.

The AUTO position of the X BLEED selector opens the crossbleed if:

When engine and wing anti-ice are in use, and a BMC detects a bleed leak:

Engine Bleed Indications – The Precooler outlet temperature is normally in green. It becomes amber, if:

For what condition will the APU BLEED FAULT light illuminate amber?

What happens when pressure and temperature are not sufficient to supply the corresponding engine bleed valve?

A leak detection system detects any overheating in the vicinity of hot air ducts.

If BMC1 (Bleed Monitoring Computer) fails BMC2 takes over all monitoring functions except:

Engine bleed air temperature is controlled by:

A check valve near the crossbleed duct protects the APU, when bleed air comes from another source.

Air is normally bled from the intermediate pressure stage (IP) of engine’s high-pressure (HP) compressor to minimize fuel penalty.

The lavatory/galley extract fan operates:

Recirculation fans in the air conditioning system direct filtered cabin air to which area?

The pressure regulating and shutoff valve will close if ___ pressure is _ or ___ airflow occurs.