Fuel system Flashcards
What is the maximum amount of useable fuel we can carry in pounds with a fuel density of 6.7 pounds per gallon?
(FCOM 12.20.1)
320,800 lbs.
When will the center tank pumps shutoff automatically?
(FCOM 12.20.2)
15 seconds after low pressure is detected.
On the ground with both center fuel pump switches on, when will both pumps operate?
(FCOM 12.20.2)
2 electrical power sources available.
When will the DC fuel pump operate automatically?
(FCOM 12.20.3)
No AC power available an APU selector ON.
Where is the DC fuel pump located?
(FCOM 12.20.3)
Left main tank.
What is the purpose of the Nitrogen Generation System?
(FCOM 12.20.2)
Reduce flammability in the center tank.
Where is the fuel temp displayed?
(FCOM 12.10.3, 12.10.6)
- Primary EICAS
- Fuel synoptic
What is the significance of the fuel imbalance pointer on the EICAS?
(FCOM 12.10.5)
Points to the main tank with the lower quantity, flashes if balancing in the wrong direction.
Where do you read the fuel “TO REMAIN” when the Fuel Jettison ARM switch is ARMED?
(FCOM 12.10.5)
Primary EICAS. It replaces the fuel temp.
Will center tank fuel be jettisoned with the center tank pumps off?
(FCOM 12.20.4)
No.
