FUEL

Question 1

FUEL CONFIG light when? (3)

Answer 1

both center pump OFF with fuel in center tank >600kg or
Fuel inbalance >800kg or
fuel quantity is low <1000kg in a tank

Question 2

Suction defueling is available for?

Answer 2

L and R main tanks

suction defueling for Center tank is NOT possible

Question 3

Fuel Scavenging process occurs?

Answer 3

When fuel quantity is less than 50% of the Left main tank

Question 4

External fueling station is powered by?

Answer 4

Ground Handling bus when battery switch is OFF

When the battery power switch is ON, electrical power is supplied from the hot battery bus

Question 5

purpose of the DC fuel pump?

Answer 5

to provide fuel to the APU when AC power is NOT available and the APU switch is ON

Question 6

APU switch ON and AC power on the airplane, which pump is running?

Answer 6

Left FWD fuel pump operates regardless of switch position

Question 7

external fueling station is powered by?

Answer 7

by the ground handling bus when battery switch is OFF

when the Battery switch is ON, electrical power is supplied from the hot battery bus

Question 8

What is the purpose of the DC fuel pump?

Answer 8

to provide fuel to the APU when AC power is not available

DC pump operates automatically

Question 9

With APU switch ON and AC power on the airplane?

Answer 9

L FWD fuel pump operates regardless of switch position

Question 10

When does fuel scavenging process occurs?

Answer 10

When fuel quantity is less than 50% of the left main tank

a float valve is activated then

Question 11

Suction defueling is available for which tank?

Answer 11

Left and Right main tanks only

suction defueling of the center tank is not possible