Aircraft Systems Knowldge (Fuel A320/A321))

Question 1

With fuel in the center tank, when do the Center Tank Pumps run with the MODE SEL in AUTO?

(Fuel Panel)

A320

Answer 1

1) Center Tanks pumps rn at engine start for 2 mins.
2) Before/after engine start, the pumps run with slats retracted and fuel in center tank.
3) Center tank pumps stop 5 mins after tank empty (low level reached)

Question 2

Does Center Tank fuel on the A321 directly feed the engines?

(Fuel Panel A321)

Answer 2

NO the A320 goes direct to the engines the 321 goes to the wings.

Question 3

What is indicated by a FAULT light in a FUEL PUMP sw?

(Fuel Panel A320)

Answer 3

Illuminates amber with ECAM caution when delivery pressure drops

Question 4

If a fuel pump FAULT light illuminates in flight, what will allow the engines to continue to run?

(Fuel Panel A320)

Answer 4

Yes they will run through - Gravity Feed

Question 5

What is indicated by the white ON X FEED light?

(Fuel Panel A320)

Answer 5

In transit - valve is opening

Question 6

What is indicated by the blue OPEN X FEED light?

(Fuel Panel A320)

Answer 6

Valve is fully open

Question 7

In flight, with fuel in both wing tanks, if all tank pumps failed, would the engines continue to run?

(Fuel Panel A320)

Answer 7

Yes w/ gravity feed from wing tanks only

Question 8

With the MODE SEL in the AUTO position and fuel in the center tank, will fuel feed directly to the engine from the center tank?

(Fuel Panel A321)

Answer 8

No, Fuel transfers from the center tank to the wing tanks to feed the engines.

Question 9

What is represented by a FAULT light in the Center Tank MODE SEL pb?

(Fuel Panel A321)

Answer 9

That the fuel from the center tank is not transferring to the wings like it should be. (The center tank has more than 550 lbs. of fuel and the left or right tank has less than 11,000 lbs.)