Fuel Flashcards

1
Q

Main Tank 1 & 2 Fuel Capacity

A

8,630 lbs / tank

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2
Q

Center tank fuel capacity

A

28,803 lbs

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3
Q

Total Fuel Capacity

A

46,063 lbs

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4
Q

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

A

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

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5
Q

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

A

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

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6
Q

The fuel CONFIG indication appears on the Upper DU when:

A

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

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7
Q

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

A

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

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8
Q

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

A

A fuel leak

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9
Q

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

A

2,000 lbs or less

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10
Q

The B737NG is authorized to use which fuels?

A

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

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11
Q

The max fuel tank temperature is ?

A

49 degrees C

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12
Q

The min fuel tank temperature is?

A

-37 degrees C

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13
Q

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.

A

True

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14
Q

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

A

2

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15
Q

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

A

True

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16
Q

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

A

True

17
Q

How many fuel pumps does the center tank have?

A

Two

18
Q

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

A

False. They’re higher

19
Q

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

A

True

20
Q

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

A

number 1 fuel tank

21
Q

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

A

The left forward fuel pump

22
Q

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

A

center fuel tank

23
Q

Where is the fueling panel station located?

A

Leading edge of the right wing

24
Q

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

A

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

25
Q

Where is the defuel valve operating handle located?

A

At the right wind root

26
Q

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

A

Supply side

27
Q

Fuel tank temperature is measured from which tank?

A

Main fuel tank 1

28
Q

Which tank contains the fuel temp sensor?

A

Main Tank #1

29
Q

When will the scavenge fuel pump automatically operate?

A

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