Fuel

Question 1

What does the FUEL USED RESET button…..

Answer 1

Resets the fuel digits on the fuel synoptic

Question 2

What are the fuel tank capacites….
LT
CT
RT

Answer 2

Left - 9,266 LBS
Center - 6,077 LBS
Right - 9,266 LBS

TOTAL-24,609

Question 3

How many fuel pumps are in each tank

Answer 3

MAIN TANKS - 2 AC boost pumps arranged in parellel

Center Tanks - 2 identical pumps arranged in series

Question 4

Which Fuel tanks feed the engines….

Answer 4

Normally LEFT FEEDS LEFT ENGINE
RIGHT FEEDS RIGHT ENGINE
If center tank fuel is present, higher pressure produced by the center pumps will allow center tank to feed both engines

Question 5

What does the return to tank do……

Answer 5

Returns excess warmed fuel cycling through the engine fuel system to the inboard, cooled corner of each main tank.

Question 6

What is the purpose of the Return to Tank fuel

Answer 6

Warms the fuel in the tank and retards wing ice formation due to cooled fuel

Question 7

Can the return to tank flow be indibited by the EEC (4)…..

Answer 7

Yes, during
Takeoff
Landing
Main Tank fuel low
Hig Fuel Tempature

Question 8

What does the cross feed lever do…..

Answer 8

Permits routing of fuel from the main fuel tank to one or both engine. Enabled when valve us opened and the boost pump on the receiving side is turned off.

Question 9

How are the left and right fuel tanks vented….

Answer 9

To the center tank, this also permits overflow from the main tanks to drain into the center tankduring fuel return operation with the main tanks full

Question 10

Where is the center tank vented to……

Answer 10

Wingtip vent boxes

Question 11

Where is fuel supplied from for the APU…..

Answer 11

Right tank but can be supplied from the center tank if the pump is on and contains fuel

Question 12

How much fuel does the APU burn per hour….

Answer 12

350 LBS