Fuel

Question 1

Main Tank 1 & 2 Fuel Capacity

Answer 1

8,630 lbs / tank

Question 2

Center tank fuel capacity

Answer 2

28,803 lbs

Question 3

Total Fuel Capacity

Answer 3

46,063 lbs

Question 4

______________ are installed in the fuel tanks to determine the fuel load in the event that the normal fuel quantity indication system is inoperative.

Answer 4

Fuel measuring sticks. 6 in each wing and 4 in the center tank

Question 5

The fuel LOW indication appears on the Upper Display Unit (DU) when fuel quantity is less than __________ in the related main tank.

Answer 5

2,000 lbs (removed when above 2,500 lbs)

Question 6

The fuel CONFIG indication appears on the Upper DU when:

Answer 6

Either engine is running
Both center tank fuel pump switches are off
Center tank quantity is greater than 1,600 lbs

Question 7

The fuel IMBAL indication appears when the main tank fuel quantities differ by more than ___________

Answer 7

1,000 lbs. (removed when imbalance is less than 200 lbs)

Question 8

A CHECK FMC FUEL QUANTITY message on the FMC may be the first indication of what?

Answer 8

A fuel leak

Question 9

An INSUFFICIENT FUEL message on the FMC will display when the predicted fuel at the destination is ___________

Answer 9

2,000 lbs or less

Question 10

The B737NG is authorized to use which fuels?

Answer 10

JetA, JetA1, JP5, JP8, and F-24 fuels. (JP4 & JetB are prohibited)

Question 11

The max fuel tank temperature is ?

Answer 11

49 degrees C

Question 12

The min fuel tank temperature is?

Answer 12

-37 degrees C

Question 13

T/F: If the center tank is empty, both center tank fuel pump switches are positioned OFF when the first center tank fuel pump LOW PRESSURE light illuminates.

Answer 13

True

Question 14

Each main tank has _____ AC pumps that supply fuel to their respective engine.

Answer 14

2

Question 15

T/F: With both fuel pumps off, the engines will continue to operate with fuel supplied by suction feed.

Answer 15

True

Question 16

T/F: Any one fuel pump can satisfy engine demand under all thrust conditions.

Answer 16

True

Question 17

How many fuel pumps does the center tank have?

Answer 17

Two

Question 18

T/F: The center tank pumps have a lower output pressure than the main tanks

Answer 18

False. They’re higher

Question 19

T/F: A single center tank fuel pump can satisfy both engines’ demands under all thrust conditions provided the crossfeed is open.

Answer 19

True

Question 20

If the fuel pumps are not operating, fuel to the APU is suction fed from the __________

Answer 20

number 1 fuel tank

Question 21

Which fuel pump must be on to supply motive flow to the center tank jet pump?

Answer 21

The left forward fuel pump

Question 22

The Nitrogen Generation System (NGS) is installed to convert engine bleed air to nitrogen-enriched air to replace the ambient air in the _________

Answer 22

center fuel tank

Question 23

Where is the fueling panel station located?

Answer 23

Leading edge of the right wing

Question 24

T/F: You can pressure defuel and suction defuel any tank

Answer 24

False. You can only suction defuel main tanks 1 & 2

Question 25

Where is the defuel valve operating handle located?

Answer 25

At the right wind root

Question 26

When transferring fuel between tanks on the ground, which pumps should be turned on, the supply side or the receiving side?

Answer 26

Supply side

Question 27

Fuel tank temperature is measured from which tank?

Answer 27

Main fuel tank 1

Question 28

Which tank contains the fuel temp sensor?

Answer 28

Main Tank #1

Question 29

When will the scavenge fuel pump automatically operate?

Answer 29

Main Tank #1 is less than half full
The FWD #1 Fuel Pump is On (provided motive flow)