Tech. Fuel Flashcards
Each tank uses two fuel pumps powered by?
AC Power
Both engines are normally _______ fed from the centre tank until the centre tank quantity decreases to near zero
Pressure
The pumps are cooled and lubricated by?
Fuel amassing though the pumps
Which tanks pumps produce higher pressure
Centre tanks
When main tank fuel pump pressure is low each engine can draw fuel from its corresponding main tank through?
A suction feed line that bypasses the pumps
The engine fuel manifolds are interconnected by use of
The crossfeed valve
The crossfeed valve is _____ _______ operated from the ______ _____
DC motor
Batter bus
The spar fuel shutoff valves are _____ ______ operated from the ____ ______ ______
DC motor
Hot battery bus
The engine fuel shutoff valves are ____ _____, ______controlled valves powered from the _____ ______
Fuel actuated, solenoid
Battery bus
What happens to both the spar fuel shutoff valves and the fuel shutoff valves when their respective engine fire switch is pulled or engine start lever is placed to CUTOFF
Close
When the main tank fuel pump No 1 FWD switch ON and main tank No 1 quantity is about half what starts to happen?
The centre tank fuel scavenge jet pump operates automatically to transfer any remaining centre tank fuel to Main Tank No 1
Where is the sensor for fuel tank temperature
Tank No 1
The temperature indicating system uses which power?
AC Power
When AC fuel pumps are operating fuel for the APU is supplied from?
Left side of the fuel manifold
When AC fuel pumps are not operating fuel for APU is
Suction fed from main tank No 1
