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

The fuel system keeps fuel in the inner tanks for wing bending and flutter relief.

False.

True.

Correct! Wrong!

The fuel system keeps fuel in the outer tanks for wing bending and flutter relief.

The LO LVL warning is totally independent from the displayed fuel quantity indication of the tank.

True.

False.

Correct! Wrong!

With the center tank pump mode SEL switch in AUTO, the center tank pumps:

Run for 2 minutes after both engines are running.

All statements are correct.

Will not restart until slats are retracted in flight.

Continue to run until 5 minutes after the center tank is empty.

Correct! Wrong!

The fuel quantity indication on ECAM for the outer cell is boxed amber if:

Outer cell fuel temperature is high.

Both transfer valves fail to open when inner cell is at low level.

One transfer valve fails to open.

Correct! Wrong!

With fuel in the center tank, the CTR TK MODE SEL push button selected to AUTO and the CTR TK PUMP push buttons ON (lights out), the center tank pumps:

All statements are correct.

Will operate for a short period after the first engine MASTER switch is selected ON and while slats are retracted.

Will continue to run until the center tank is empty or slats are extended.

Correct! Wrong!

From which tanks will fuel gravity feed?

Inner cell of the wing tanks, and center tank.

Outer cell of the wing tanks, and inner cell of the wing tanks.

Outer cell of the wing tanks, inner cell of the wing tanks, and/or center tank.

The center tank only.

Correct! Wrong!

The message CTR TK FEEDG appears in the MEMO. What does this mean?

At least one center tank pump is energized.

The center tank fuel mode selector is OFF.

A reminder to switch the center tank pumps OFF.

The center tank pumps are OFF.

Correct! Wrong!

Which of the following would cause the FAULT light to illuminate on the MODE SEL push button?

Crossfeed push button is ON.

Center tank pumps do not stop after slat extension.

Center tank pumps do not stop 5 minutes after center tank low level reached.

Fuel is being burned out of sequence.

Correct! Wrong!

What does an amber line across the last two digits of the fuel quantity mean?

Not all the fuel aboard is useable.

A disagreement between fuel measured and fuel entered on the MCDU has been detected.

The fuel quantity indication is inaccurate.

The fuel quality is not good and should be checked.

Correct! Wrong!

The message OUTER TK FUEL XFRD appears in the MEMO. What does this mean?

It is a reminder to show that a transfer valve is open in one wing tank.

Fuel is transferring from the inner tank to the outer tank.

Fuel is transferring from the center tank to the inner tank.

It is a reminder to open the outer tank transfer valve.

Correct! Wrong!

The fuel system circulates fuel to cool the Integrated Drive Generator (IDG).

True.

False.

Correct! Wrong!

The wing fuel transfer valves are:

Are electrically held closed.

Manually controlled and open when the MODE SEL push button is selected to MAN.

Open automatically at the start of refueling.

Automatically close if a low level is sensed in either main wing tank, they automatically close at the next fueling.

Correct! Wrong!

During normal operations when should the fuel transfer valves open?

When a low level is sensed in either outer wing cell.

When a low level is sensed in the center tank.

When low level is sensed in either inner wing cell.

Correct! Wrong!

The APU fuel system:

Obtains fuel from either center tank pump.

Obtains fuel from the left fuel manifold via the left side fuel pumps or if needed, the APU fuel pump.

Obtains fuel from the left fuel manifold via the right side fuel pumps.

Uses its own dedicated DC powered fuel pump.

Correct! Wrong!

Refueling time at normal pump pressure is _ for the wing tanks and _ for all tanks.

17 minutes and 20 minutes.

25 minutes and 30 minutes.

15 minutes and 25 minutes.

15 minutes and 20 minutes.

Correct! Wrong!

What precaution should you observe when gravity feeding fuel?

Use center tank first.

Operate the aircraft below 15,000 feet.

There is no special precaution needed.

Open the crossfeed when above FL250

Correct! Wrong!

How is the fuel being transferred from the outer to the inner tanks?

By setting the MODE SEL pb to AUTO.

The transfer valve has been opened automatically by the low level sensor in the inner tank.

The transfer valve has been opened automatically by the low lever sensor in the center tanks.

By setting the MODE SEL pushbutton to MAN.

Correct! Wrong!

Why do the center tank pumps stop automatically when then slats are extended for takeoff?

To keep the center of gravity as low as possible.

Dumping takeoff, the center tank fuel is pumped to the rear to trim aircraft.

To ensure that the engines are fed from the wing tanks for takeoff (feeding segregation)

During takeoff, the center tank fuel is gravity fed only.

Correct! Wrong!

The Fuel Used indication on ECAM is reset:

Automatically 15 minutes after the last engine is stopped.

Manually by the flight crew.

Automatically at electric power up of the aircraft.

Automatically at engine start on the ground.

Correct! Wrong!

The fuel crossfeed valve is controlled by 2 motors.

False.

True.

Correct! Wrong!

A crossfeed valve controlled by a double motor allows both engines to be fed from one side or one engine to be fed from both sides.

What indication will you see on the overhead fuel panel if the center tank has more than 250 kilograms (550 lb) of fuel and the left or right wing tank have less than 5,000 kilograms (11,000 lb).

Fuel imbalance.

Mode select fault.

Auto feed fault.

Fuel - Auto feed fault.

Correct! Wrong!

Fuel can be transferred from tank to tank:

In flight if the fuel X FEED push button is selected OPEN and center tank MODE SEL push button is selected to MAN.

Only on the ground.

In flight if the fuel X FEED push button is selected OPEN.

Fuel can never be transferred.

Correct! Wrong!

A special fuel pump supplies fuel for APU startup when fuel feed pressure is low (due to loss of tank pumps or loss of normal AC electrical supply).

False.

True.

Correct! Wrong!

This pump normally runs off the AC ESS SHED, but runs off the AC STAT INV BUS if the AC ESS SHED fails.

The AC powered auxiliary fuel boost pump for the APU operates whenever the APU is operating and no other pump is on. it has an alternate power source on the AC Static Inverter bus for battery-only starts.

True.

False.

Correct! Wrong!

What is the minimum fuel quantity for takeoff?

2,000 kg (4,409 lb).

1,200 kg (2,645 lb).

1,500 kg (3, 307 lb).

1,000 kg. (2,205 lb).

Correct! Wrong!

Fuel quantity indication - The center tank indication is boxed amber, if:

Both center tank pumps are failed.

One or both center tank pumps are failed.

Both center tank pumps are failed, or are switched OFF.

Correct! Wrong!

After engine shutdown, what are the required actions to close the fuel transfer valves?

No action is required. The valves will close automatically during the next refueling.

The flight crew will have to call maintenance to close the valves.

The flight crew will have to switch the inner tank pumps off.

Correct! Wrong!

Refueling is possible if the aircraft batteries are the only source of power.

False.

True.

Correct! Wrong!

Some A318, A319, A320 and A321 aircraft are equipped with a Fuel Tank Inerting System. The aim of this system is to reduce the flammability in the fuel tanks that have a high flammability exposure. The Fuel Tank Inerting System:

Only needs to be installed for the center tank. All other tanks do not need Fuel Tank Inerting System installation.

Only needs to be installed in the inner tanks.

Only needs to be installed in the inner and the center tanks.

is installed for all fuel tanks.

Correct! Wrong!

To reduce the flammability in the center tank, the Fuel Tank Inerting System produces an oxygen-depleted air that goes in the center tank to replace the ambient air.

After engine start, center tank fuel pumps run for _____ minutes regardless of slat position.

2 minutes.

3 minutes.

5 minutes.

1 minute.

Correct! Wrong!

FUEL QUANTITY INDICATION (FQI) SYSTEM – There are three channels performing fuel computations: channel 3 activates automatically if a quantity difference is sensed between channel 1 and channel 2 or if any of the two channels fails.

True.

False.

Correct! Wrong!

There are two channels performing fuel computations: channel 2 activates automatically if channel 1 fails.

An amber line appears across the last two digits of the ECAM FOB indication when:

The center tank pumps have failed.

The center tank pumps are switched off.

The fuel quantity is unreliable.

Correct! Wrong!

Fuel transfer from the outer compartment to the inner compartment of the wing tanks occurs when the inner compartment quantity decreases to:

450 kilograms (990 lb).

750 kilograms (1650 lb).

850 kilograms (1870 lb).

250 kilograms (550 lb).

Correct! Wrong!

When fuel quantity in one wing tank goes below _____, the low-level sensor triggers the LO LVL warning on ECAM.

500 kg (1,100 lb).

650 kg (1,433 lb).

850 kg (1,874 lb).

750 kg (1,650 lb).

Correct! Wrong!

Airbus A320 – Fuel

Airbus A320 – Fuel

The fuel system keeps fuel in the inner tanks for wing bending and flutter relief.

The LO LVL warning is totally independent from the displayed fuel quantity indication of the tank.

With the center tank pump mode SEL switch in AUTO, the center tank pumps:

The fuel quantity indication on ECAM for the outer cell is boxed amber if:

With fuel in the center tank, the CTR TK MODE SEL push button selected to AUTO and the CTR TK PUMP push buttons ON (lights out), the center tank pumps:

From which tanks will fuel gravity feed?

The message CTR TK FEEDG appears in the MEMO. What does this mean?

Which of the following would cause the FAULT light to illuminate on the MODE SEL push button?

What does an amber line across the last two digits of the fuel quantity mean?

The message OUTER TK FUEL XFRD appears in the MEMO. What does this mean?

The fuel system circulates fuel to cool the Integrated Drive Generator (IDG).

The wing fuel transfer valves are:

During normal operations when should the fuel transfer valves open?

The APU fuel system:

Refueling time at normal pump pressure is _____ for the wing tanks and _____ for all tanks.

What precaution should you observe when gravity feeding fuel?

How is the fuel being transferred from the outer to the inner tanks?

Why do the center tank pumps stop automatically when then slats are extended for takeoff?

The Fuel Used indication on ECAM is reset:

The fuel crossfeed valve is controlled by 2 motors.

What indication will you see on the overhead fuel panel if the center tank has more than 250 kilograms (550 lb) of fuel and the left or right wing tank have less than 5,000 kilograms (11,000 lb).

Fuel can be transferred from tank to tank:

A special fuel pump supplies fuel for APU startup when fuel feed pressure is low (due to loss of tank pumps or loss of normal AC electrical supply).

The AC powered auxiliary fuel boost pump for the APU operates whenever the APU is operating and no other pump is on. it has an alternate power source on the AC Static Inverter bus for battery-only starts.

What is the minimum fuel quantity for takeoff?

Fuel quantity indication - The center tank indication is boxed amber, if:

After engine shutdown, what are the required actions to close the fuel transfer valves?

Refueling is possible if the aircraft batteries are the only source of power.

Some A318, A319, A320 and A321 aircraft are equipped with a Fuel Tank Inerting System. The aim of this system is to reduce the flammability in the fuel tanks that have a high flammability exposure. The Fuel Tank Inerting System:

After engine start, center tank fuel pumps run for _____ minutes regardless of slat position.

FUEL QUANTITY INDICATION (FQI) SYSTEM – There are three channels performing fuel computations: channel 3 activates automatically if a quantity difference is sensed between channel 1 and channel 2 or if any of the two channels fails.

An amber line appears across the last two digits of the ECAM FOB indication when:

Fuel transfer from the outer compartment to the inner compartment of the wing tanks occurs when the inner compartment quantity decreases to:

When fuel quantity in one wing tank goes below _____, the low-level sensor triggers the LO LVL warning on ECAM.

Refueling time at normal pump pressure is _ for the wing tanks and _ for all tanks.