Fuel Panel Flashcards

1
Q

What is the normal in-flight fuel management scheme?

A

Use the center tank first, then the wing tanks

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2
Q

How many fuel pumps are installed?

A

2 in each wing tank
1 APU pump to provide fuel to the APU when the left wing/center tank pumps off
2 in center tank

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3
Q

With full fuel, when do the center tank fuel pumps operate?

A

For 2 minutes after BOTH engines are started (if slats are retracted, pumps will continue to operate)
After slat retraction
Continue to run for 5 minutes until the center tank is empty or slats are extended

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4
Q

What will cause a FUEL MODE SEL FAULT light?

A

Failure of the Auto mode
Center tank contains more than 550lbs of fuel and either main tank has less than 11,000 lbs

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5
Q

When do the main tank outer cells drain into the inner tanks?

A

When the inner tank quantity reaches 1,650 lbs

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6
Q

If only one inner tank reaches 1,650 lbs, what happens to the other transfer valve?

A

All 4 transfer valves open

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7
Q

Once opened to transfer fuel, how are the fuel transfer valves closed?

A

Automatically at the next refueling operation

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8
Q

How is the IDG cooled?

A

By fuel from the HP fuel pump drawn in from the fuel manifold and then returned to its respective outer tank. When full the outer tank spills over to the inner tank

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9
Q

If the IDG return fuel fills the wing tanks, what occurs?

A

The center tank pumps turn off until the wing tank quantity reduces by 1,100 lbs

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10
Q

What does an amber FAULT light in the FUEL PUMP pushbutton indicate?

A

Low fuel delivery pressure

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11
Q

Can fuel be transferred from one tank to another?

A

Only during ground refueling

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12
Q

Why are the outer wing tanks drained last?

A

Structural wing bending moment relief

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13
Q

When does the APU fuel pump run?

A

When the wing or center tank pumps are off or when the aircraft is on battery power only

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14
Q

What does the REFUEL message on the ECAM indicate?

A

The refueling control panel door is not closed

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15
Q

What does an amber boxed ECAM FOB indicate?

A

Some fuel is unusable

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