Fuel Flashcards
When fuel is stored in the center and main tanks, both engines operating, all boost pumps on, fuel is supplied to the engines from ____.
the center tank
The main fuel tanks are serviced through ____.
a single point refueling receptacle
Each engine can be fed fuel from either or both main tanks through the fuel _____ valve.
crossfeed
With all fuel pumps ON, why does the center tank provide the fuel to the engines?
The center tank pumps provide more pressure.
With fuel pumps turned OFF, the APU fuel is suction-fed from ____.
the No. 1 main tank
Pulling a fire handle or placing an engine start lever in CUTOFF closes ____.
both the spar fuel shutoff valve and the engine fuel shutoff valve
The Center Tank Scavenge Pump will activate when ____.
1 Main Tank is about half full
How many positions are there on the fuel flow/rate used switch?
Three - RESET, RATE, USED
A bright blue Crossfeed VALVE OPEN Light means the Crossfeed Valve is ____.
in transit or the valve position and CROSSFEED Selector disagree
An amber FILTER BYPASS Light means ____.
impending fuel filter bypass due to a contaminated filter
The Fuel Flow Used readout is updated for the next flight ____.
by use of the FUEL FLOW Switch moved to RESET
IMBAL means that the main tanks differ by more than _____ pounds.
1,000
CONFIG means that either engine is running and the fuel in the center tank is more than _____ pounds and both center tank pumps are producing _____ pressure.
1,600/low
Will the CONFIG, IMBAL or LOW annunciation on the fuel gauges cause the MASTER CAUTION lights to flash?
No
The Fuel LOW Alert indicates fuel quantity in the related main tank is less than _______ pounds.
2,000
