Fuel 747-400 Flashcards Preview

CAL Cargo Airlines - 747-400 > Fuel 747-400 > Flashcards

Flashcards in Fuel 747-400 Deck (11):
1

What is the function of the fuel flow limiting valve?

Prevents unwanted fuel transfer by unequal pump pressure.
Allows intended crossfeed.

2

Which pumps can act as jettison pumps?

All the overide and transfer/jettison pumps

3

Where and to does the main tank transfer valves allow fuel transfer?

From the main tank 4, and 3 to tank 1 and 2.

4

How is th fuel usage after engine start?

All engines by center wing tank pumps/

5

How is CWT fuel scavanged, and when does it happen?

Scavanged by 4 jet pumps.
When main tank 2 and 3 about 27,200 fuel is pumped from the center wing tanks to main tanks 2 and 3.

6

When do the reserve tank transfer valves open automatically.

When fuel in main tanks 2 and 3 is approximately 18t.

7

When is the FUEL IMBAL 2-3 light illuminated?

When imbalance between tanks 2, and 3 is 2,720kg or more.

8

When is the FUEL IMBAL 1, 4 light illuminated?

When imbalance between tanks 1 and 4 is 1,360Kg or more. AOM procedure should be used.

9

What can be done to increase fuel temperature?

change to a flight level with a warmer temperature and/or Increase mach number, and or

10

TANK/ENG light on. What is the correct procedure?

All OVRD pumps off, X-FEED valves 1, and 4 closed.

11

Can fuel be jettisoned out of the crossfeed manifold?

No.