Fuel System Flashcards
What is the maximum allowed random lateral fuel imbalance between tanks 1 and 2?
1000 lbs
The fuel crossfeed is normally _________ .
closed
The fuel crossfeed is normally _________ .
ON
Center tank fuel pump switches must not be positioned ON unless __________.
personnel are available on the flight deck to monitor low-pressure lights
Each fuel tank uses two AC-powered fuel pumps, which are ________ and lubricated.
fuel cooled
On a B737-800, the center tank pumps produce _______ pressure than the main tank pumps.
higher
The engine driven fuel pumps _________________ in the event normal electrical fuel pump operation is not available.
will provide suction feed
________________ close(s) whenever the/their respective engine fire warning switch is pulled or engine start lever is placed to CUTOFF.
Both the spar fuel shutoff valve and the engine fuel shutoff valve
When AC fuel pumps are operating, fuel for the APU is normally supplied from the ______ fuel manifold.
left
An extinguished ENGINE VALVE CLOSED light indicates the related valve is __________
open
An illuminated (blue) _________ SPAR VALVE CLOSED light indicates the valve is closed.
dim
On the forward overhead fuel control panel, the FUEL temperature (TEMP) indicator indicates fuel temperature in the _____________.
Nº1 tank
An illuminated bright blue crossfeed VALVE OPEN light indicates ____________.
() all answers are correct
() the crossfeed valve is in transit
() the crossfeed valves position and CROSSFEED selector disagree
An illuminated (amber) FILTER BYPASS light indicates ____________.
an impending fuel filter bypass
An illuminated (amber) FUEL PUMP LOW PRESSURE light indicates _________.
fuel pump output pressure is low and the respective FUEL PUMP switch is ON
