Fuel Flashcards
Where does the APU gets is fuel from
From the right tank .
Where is the fuel temp sensor
On the left tank
When is the low fuel level indicator comes on
660lbs or less per tank
How many fuel pumps per tank
An enector pump
AC elcetric pump
Three scavenge ejector pumps
1 dc electrical pump eight wing only
Where does the left and right AC pump get its electricity from
Left- AC bus 1
Right- AC ess Bus
If electric failure the right is powered by the RAT
Two ways of de fueling the airplane
Suction
Pressure de fueling using airplanes electrical pumps
What is the AC fuel pump for
Back up pump if primary ejector failure
Engine start
Xfeed
What is the scavenge pumps for
Is to maintain fuel level in the collector tank to ensure constant flow
Fuel capacity
10400 lbs per tank
What is the collector box for
Keep fuel pumps submerged
Maintains constant fuel to the engine
What happens when the low 1 is selected
X feed valve is open
Both engines get fuel from the right tank
When do you declare minimun fuel
When the airplane is landing with less than 2660 lbs of fuel
When to declare fuel emergency
1800 lbs
What fuel pump is used for APU start
Batt only- DC fuel pump
AC power connected - AC pump
Engine running- ejector pump
Can you cancel an APU shutdown sequence
Yes before 1minute cool down
