FUEL SYSTEMS

Question 1

The Fuel LOW (amber) Alert is displayed when the respective Main Tank fuel quantity is less than _________ for greater than _________.

Answer 1

2000 lbs 30 seconds

Question 2

A progressive fuel imbalance may occur during continued operation with ______, ______, and ______.

Answer 2

the CrossfeedValve open, no Center Tank fuel feed, Main Tank Fuel Pumps operating within the normal pump output pressure tolerances

Question 3

Opening the Crossfeed valve in flight allows ______________

Answer 3

allows fuel to feed from any tank to either engine

Question 4

IMBAL (amber) alert means the main tanks differ by more than ______ pounds.

Answer 4

1000

Question 5

The FUEL FLOW (amber) Alert is displayed when_______ on the MAX.

Answer 5

When the difference between actual engine fuel flow rate and the FMS expected fuel flow rate exceeds the predetermined FMC threshold value for 5 continuous minutes.