Fuel System Flashcards
An illuminated (blue) _____ SPAR VALVE CLOSED light indicates the valve is closed.
dim
An illuminated (amber) Fuel (LOW) indication is displayed when _____.
the fuel quantity is less than 2000 lbs. in the related main tank
On a B737-800, the center tank pumps produce _____ pressure than the main tank pumps.
higher
A displayed (amber) fuel configuration (CONFIG) alert indicates _____.
either engine is running and both center fuel pump switches are positioned OFF, and center fuel tank quantity is greater than 1600 lbs
An extinguished ENGINE VALVE CLOSED light indicates the related valve is _____.
open
For ground operation, center tank fuel pump switches must not be positioned _____ unless the center tank fuel quantity exceeds 1000 pounds.
ON
The engine driven fuel pumps _____ in the event normal electrical fuel pump operation is not available.
will provide suction feed
What is the maximum allowed random lateral fuel imbalance between tanks 1 and 2?
1000 lbs.
An illuminated (amber) Fuel Imbalance (IMBAL) indication is displayed when main tanks differ by more than _____ and is displayed until imbalance is reduced to _____.
1000 lbs; 200 lbs
An illuminated (amber) FUEL PUMP LOW PRESSURE light indicates _____.
fuel pump output pressure is low and the respective FUEL PUMP switch is ON
An illuminated (amber) FUEL FILTER BYPASS light indicates _____.
an impending fuel filter bypass
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
The fuel crossfeed valve is normally _____.
closed
