Fuel Flashcards
<p>Fuel can be suction feed through Main tanks </p>
<p>2 & 3 (FCOM 12.20.2)</p>
Fuel temperature is measured in each respective tank. True or False
False -Fuel temperature is measured in main tank 1 and displays on primary EICAS (FCOM 12.20.1)
Each reserve tank contains two transfer valves when open, gravity feed to
main tank 2 or 3 (FCOM 12.20.9)
Apu fuel comes from
APU fuel is normally supplied from AFT main tank 2
Fuel can be jettison from____.
all fuel tanks (FCOM 12.20.11)
When does jettison begin, after arming the Jettison logic?
Fuel Jettison NOZZLE Valve Switches ON (FCOM 12.20.10)
If the flow bar is not in view and the valve light is extinguished on a fuel crossfeed valve switch, what is the position of the crossfeed valve?
The switch is off, and the valve close.
What is the indication if the CWT pump switches are OFF and there is no fuel in the tank?
Nothing ()
What does the EICAS caution message FUEL QTY LOW mean?
Fuel quantity 900 kgs or less in one or (FCOM 12.30.2)
What is the indication if a main tank fuel pump fails?
EICAS Message+ LOW pressure light (CBT– FUEL- FAILURES )
When will the FMC message “FUEL DISAGREE - PROG 2/2” be displayed?
If the FMC calculates a large (4,080kg) difference between the total sensed fuel quantity and calculated (11.32.4)
Crossfeed valves 2 and 3 automatically close during?
The FSMCs close crossfeed valves 2 and 3 when flaps extend to takeoff position (FCOM 12.20.11)
Which tanks are equipped with override jettison pumps?
Main tanks 2,3,center wing tank (FCOM 12.10.1)
Which pump has to be switched on when the APU is started?
None- all automatically (CBT- FUEL- Normal operation)
What does the ambler VALVE light in a fuel X-FEED switch tell you?
disagreement- crossfeed valve not in system logic commanded position (FCOM 12.10.1)