Fuel Flashcards
Q1: How many fuel tanks are there?
A: Two wing tanks, one center tank, two collector tanks, and two surge tanks
Q2: What is the maximum fuel capacity? (FCOM1 11-02-1)
A: 38350 lbs
Q3: How is fuel venting provided?
A: By wing surge tanks and dedicated tank vent system. NACA scoops maintain positive pressure on the fuel in the tanks. On ground they supply static ventilation.
Q4: Why enrich air in the fuel tanks with nitrogen?
A: To reduce the risk of fuel fumes igniting in the tanks
Q5: What types of fuel pumps does the fuel system use?
A: Engine Driven Pumps, AC Boost Pumps, Main Fuel Ejector Pumps, Scavenge Ejector Pumps,
Q6: What is the primary means of moving fuel throughout the fuel distribution system?
A: Motive flow
Q7: What would generate a FUEL LEAK SUSPECT message?
A: A mismatch between the measured (sensed) and calculated fuel
Q8: When does the FUEL USED quantity reset to zero?
A: When either the left or right engine is started or AC and DC power is removed from the aircraft
Q9: What are the indications of a center tank fuel transfer to the main tanks?
A: A center tank transfer is indicated on the FUEL synoptic page by two green arrows pointing outward from the center tank
Q10: The FQC will only allow what quantity of fuel to be transferred from main tank to main tank at any one time? (FCOM1 11-04-1)
A: 500 lbs
Q11: The FQC will only allow what quantity of fuel to be transferred from the left or right main tank to the center tank at any one time?
A: 1000 lbs
Q12: When does the automatic fuel balancing (Auto Crossfeed) occur?
A: When the FQC senses an imbalance of 400 lbs between the left and right main tanks, the AC boost pump of the fullest tank comes on automatically (AC boost pumps in AUTO)
