Fuel Flashcards
(19 cards)
When must the FUEL XFEED knob be set to
OFF?
takeoff, go-around and landing
Which MFW page provides a visual representation of the fuel system operation and
parameters?
FUEL synoptic page
What color does the total and individual tank
quantities and fuel temperature indications
indicate when in the normal operating
range?
Green
When the total fuel quantity is displayed in
red, which aural warning is played twice?
“FUEL”
Can fuel be transferred from one wing to an
other?
No
How does the crossfeed valve allow corrections in the event of a fuel load imbalance?
It allows both engines and/or the APU to be
fed by one tank
Which CAS message is displayed on the EICAS when the difference between the current and expected fuel quantities is higher than 880 lb (400 kg) for 5 minutes?
The amber FUEL LEAK SUSPECTED CAS
How many fuel pumps does each fuel tank
have?
Two DC fuel pumps {main (A) and backup (B)}
and two scavenge pumps
What controls the main (A) pump when the
fuel pump is in the AUTO position?
The engine ECU
What controls the backup (B) pump when the
fuel pump is in the AUTO position?
The FCU
List the four times when the backup (B) pump will be automatically commanded on
when the fuel pump is in the AUTO position:
- Engine start
- APU start or run
- fuel low pressure
- main (A) pump fails
When will the amber FUEL WING IMBALANCE CAS message be displayed on the EICAS?
When the fuel imbalance between tanks is
higher than 510 lb
Where is the pressure refueling point and
REFUELING/DEFUELING control panel located at?
On the fuselage, in front of the leading edge of the right wing.
How long does system pre-check on
FUELING/DEFUELING panel take?
10 seconds
Which switch located on the REFUELING/
DEFUELING control panel enables pressurized refueling to be performed with the air
plane energized by either the APU/GPU or
batteries power?
POWER SELECTION switch
What should happen if STOP REFUEL is
displayed on the REFUELING/DEFUELING
control panel during the refueling process?
Fueling has to be halted manually by the
operator by moving the REFUELING switch
to the OFF position
What are the two different methods that the airplane can be defueled?
suction and/or pressure
What is the total fuel capacity? Usable?
13,140 Total
13,050 Usable
What is the maximum fuel tank temperature
for takeoff?
52° C
