9 - Fuel

Question 1

1. (DSC-28-10) How many pumps are there in the wing or center tanks ;

(a) One fuel pump in each tank.
(b) Two fuel pumps in each tank.
(c) There is no fuel pump because the tanks are air pressurised.
(d) Two fuel pumps only for all tanks.

Answer 1

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Question 2

2. (DSC-28-20) Normally, where can you check the fuel quantity of each tank ;

(a) On ECAM upper display, on fuel page.
(b) On fuel page only, on ECAM lower display.
(c) On ECAM upper display.
(d) On ECAM upper display, or on refueling control panel.

Answer 2

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Question 3

3. (DSC-28-10) With all fuel pump switches on, are wing tank pumps running while center tank is supplying ;

(a) Yes, wing tank pumps are always running.
(b) No, only when center tank is empty.
(c) No, because of center tank pump priority.
(d) No, because of automatic switching with fuel in center tank.

Answer 3

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Question 4

4. (DSC-28-10) Excluding the Surge/Vent tank, how many cells are in each wing tank on a A320;

(a) Two.
(b) Three.
(c) Four.
(d) Five.

Answer 4

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Question 5

5. (DSC-28-10) Where is the vent surge tank located ;

(a) In the outer section of each wing.
(b) Within the wing tank.
(c) In the center tank.
(d) In the Aux. center tank.

Answer 5

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Question 6

6. (DSC-28-10) The fuel remaining in the surge tank scavenged into the adjacent cell, which is (A320);

(a) The Inner cell.
(b) The Outer cell.
(c) The Center tank.
(d) Overboard.

Answer 6

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Question 7

7. (DSC-28-10) Which type of motor controls the fuel X-feed ;

(a) Single.
(b) Double.
(c) Hydraulic motor.
(d) Pneumatic motor.

Answer 7

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Question 8

8. (DSC-28-10) Where are the transfer valves located ;
   (a) In each outer cell.
   (b) In each inner cell.
   (c) On the sealed rib of each wing tank (i.e. between each inner and outer cell).
   (d) At the refueling point at thr RH wing leading edge.

Answer 8

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Question 9

9. (DSC-28-10) What is the purpose of the pressure relief sequence valves ;
   (a) Allows the transfer, from wing tanks to center tank.
   (b) When all pumps are running, center pumps will deliver fuel preferentially.
   (c) When all pumps are running, wing pumps will deliver fuel preferentially.
   (d) They act as overpressure protectors in the center tank.

Answer 9

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Question 10

10. (DSC-28-10) In normal operation, each engine is supplied by ;

(a) One wing tank pump and one center tank pump.
(b) Two wing tank pumps and two center tank pumps.
(c) Two wing tank pumps and one center tank pump.
(d) One wing tank pump, and two center tank pumps.

Answer 10

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Question 11

11. (DSC-28-10) Is gravity feeding from center tank possible ;

(a) Yes.
(b) No.
(c) Yes but only when wing tanks are empty.
(d) Yes, but only when wing tanks are full.

Answer 11

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Question 12

12. (DSC-28-10) The Lp valves are controlled to the off position by;

(a) Engine master switches.
(b) Engine master switches and fire push buttons.
(c) Fire push buttons.
(d) Lp fuel valve switch on O/H panel.

Answer 12

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Question 13

13. (DSC-28-10) The normal tank filling order is ;

(a) Wing tanks then center tank.
(b) Center tank then wing tanks.
(c) Surge tank first.
(d) Center tank first.

Answer 13

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Question 14

14. (DSC-28-20) Amber fault light illuminates on Tank pump Pb. when ;

(a) Pump is not energised.
(b) Pb. at off without failure.
(c) The delivery fuel pressure drops.
(d) Any time fuel is not flowing.

Answer 14

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Question 15

15. (DSC-28-20) Amber fault light illuminates on ‘mode sel.’ Pb. when ;
    (a) The delivery fuel pressure drops.
    (b) Center tank has more than 250 kg. and any wing tank has less than 5,000 kg.
    (c) The two center tank pumps are selected off.
    (d) The x-feed valve fails to open.

Answer 15

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Question 16

16. (LIM-28) On the A320, the maximum fuel imbalance( inner tanks with heavier tank full) is;

(a) 1500 kg.
(b) 1800 kg.
(c) 2000 kg.
(d) 5300 kg.

Answer 16

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Question 17

17. (DSC-28-20) The fuel used indication is automatically reset ;

(a) When the engine is restarted on the ground.
(b) When the reset pushbutton is pressed.
(c) When the engine is shut down at the end of the flight.
(d) When the refuel panel door is opened.

Answer 17

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Question 18

18. (DSC-28-20) FOB (fuel on board) boxed amber on ECAM fuel page means ;
    (a) Both transfer valves in either wing tank fail to open when inner cell is at low level or the centre tank pumps are off
    (b) One transfer valve fails to open when inner cell is at low level.
    (c) FQI (fuel quantity indicator) is degraded.
    (d) When the difference between fuel quantities in the two wings is greater than 150 kg.

Answer 18

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Question 19

19. (DSC-28-20) Fuel on board half boxed amber on upper ECAM means ;
    (a) The quantity shown is not fully usable.(intercell valve failure or loss of ctr. tank pumps)
    (b) Fuel quantity indicator is degraded.
    (c) Centre tank is feeding.
    (d) Outer tank fuel has transferred.

Answer 19

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Question 20

20. (DSC-28-10) If open when will the transfer valves close again ;
    (a) When the cell is empty.
    (b) Transfer valves close automatically at the refueling selection.
    (c) When the transfer valve switch on the O/H panel is put to the off position.
    (d) When the mode selector push button on the O/H panel is put to the auto position.

Answer 20

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Question 21

21. (DSC-28-10) For what purpose is fuel used by the electrical system ;

(a) To cool the IDG oil.
(b) To cool the engine oil.
(c) To cool the standby generator.
(d) To supply the RAT.

Answer 21

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Question 22

22. (DSC-28-10) APU fuel is supplied by;

(a) Engine fuel pumps only.
(b) Apu fuel pump only.
(c) Either main (a/c) pumps or apu pump.
(d) Only center tank pumps can supply the apu.

Answer 22

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Question 23

23. (DSC-28-20) With slats extended, the center tank pumps run on ground :

(a) Always.
(b) Never.
(c) Yes, after engine start for 2 mins.
(d) Yes, until airborne i.e. weight off wheels.

Answer 23

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Question 24

24. (DSC-28-20) What does the mode selector push-button control;

(a) Center tank and wing tank pumps.
(b) Center tank pumps only.
(c) Wing tank pumps only.
(d) Eng. Hp fuel valves.

Answer 24

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Question 25

25. (DSC-28-20) When the center tank is empty (mode auto), center tank pumps; (a) Must be manually switched off. (b) Stop automatically and wing tank pumps start running. (c) Stop automatically 5 mins. after low level is reached in the center tank. (d) Will run continuously regardless of fuel quantity.

Answer 25

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Question 26

26. (DSC-28-10) What happens to the IDG cooling fuel when the outer cells are full; (a) Fuel returns to the engine feeding line. (b) Fuel overflows into the inner cell through a spill pipe. (c) Fuel is not used to cool the IDG if the outer cells are full. (d) Wing over fills and fuel spills overboard through vent tank.

Answer 26

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Question 27

27. (DSC-28-10) What happens to the IDG cooling fuel when the wing tank is full; (a) Fuel goes directly into the center tank. (b) Fuel returns to the engine feeding line. (c) The system selects center tank pumps off, wing tank pumps feed approx. 500 kg., & the center tank pumps run again. (d) IDG cooling ceases when the wing tanks are full.

Answer 27

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Question 28

28. (DSC-28-10) Suction valves are; (a) Always open regardless of pump status. (b) Normally closed by pump pressure. (c) Open automatically when Fuel X-Feed is selected on. (d) Fitted on center tank pumps only.

Answer 28

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Question 29

29. (DSC-28-10) Why has a 2% additional space been provided in each fuel tank; (a) For cooling purpose. (b) For fuel expansion without spillage into the vent surge tank. (c) To allow for aircraft bank angles and pump location. (d) To allow for fuel from IDG fuel return valve.

Answer 29

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Question 30

30. (DSC-28-20) During take off the center tank fuel is ; (a) Supplying to both engines. (b) Not supplied while slats are extended. (c) Not supplied with the mode select at auto. (d) Required to be deselected by the pilot.

Answer 30

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Question 31

31. (DSC-28-10) With fuel in all tanks (A320), in flight, fuel is used; (a) From the inner cells and outer cells then the center tank. (b) From the outer cells and inner cells then the center tank. (c) From the center tank, the outer cells, then inner cells. (d) From the center tank, then from inner cells to a predetermined level when outer cell fuel combines with inner cell fuel.

Answer 31

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Question 32

32. (DSC-28-20 & PRO-NOR-SOP-06) In normal operation the crossfeed valve is; (a) Closed for take off. (b) Automatically opened when the center tank has more than 100 kg. of fuel and either wing tank has less than 5,000 kg. (c) Open for take off. (d) Automatically opened by the mode selector push button switch.

Answer 32

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Question 33

33. (PRO-ABN-70 & DSC-70-90) Are the engines still supplied in case of fuel filter clog; (a) Yes by using the fuel coming from the IDG cooling and outer tank line. (b) No. (c) Yes, bypassing the fuel filter. (Crew awareness only). (d) Yes, but only by center tank fuel (if any).

Answer 33

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Question 34

34. (LIM-28) What is the minimum fuel quantity for take off ; (a) 1500 kg. (b) 2250 kg. (c) 530 kg. (d) 5,350 kg. .

Answer 34

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