Fuel Flashcards

1
Q

How many fuel dripsticks are installed to check center tank fuel(500)

A

0

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2
Q

Fuel tanks one and two have bypass valves. What is the function of these valves

A

Allows engines to suction feed fuel from tanks 1 and 2 when all boost pump pressure is lost

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3
Q

The main fuel shutoff vslve , located in the fuel line going to the engine pylon is(500)

A

Operated by a DC motor to open or close

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4
Q

What is the normal function of the fuel crossfeed valve

A

Provides a means to supply fuel from any tank to either engine

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5
Q

Which statement is correct regarding the fuel crossfeed valve

A

DC motor operated from the Battery bus

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6
Q

What assures center tank fuel is used before main tank fuel with all fuel boost pumps operating(500)

A

Center tank check valves open at a lower pressure than the main tank check valves

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7
Q

What is the function of the fuel tank vent system

A

Prevents negative or positive pressure buildup from damaging the fuel tank

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8
Q

Which statement is correct regarding the fuel temperature indicator

A

Uses AC electrical power; sensor in No. 1 main tank

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9
Q

Where is the manual defueling valve located

A

Outboard of the #2 engine

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10
Q

The planned lateral fuel imbalance is zero. What is the maximum fuel imbalance limit between tanks #1 and #2 for taxi, takeoff, and flight

A

1000 lbs

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11
Q

With no AC power on the GENERATOR BUSES, center tank fuel is no longer useable

A

True

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12
Q

The #1 tank fuel pump LOW PRESSSuRE lights illuminate when the fuel pump switches are off and the aircraft buses are powered

A

True

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13
Q

The fuel crossfeed valve should be in what position for takeoff and landing

A

Closed

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14
Q

The main engine fuel shutoff valve at the engine spar is controlled by(500)

A

The fire switch or the start lever

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15
Q

How csn both engines be supplied fuel from the center tank if only the right center tank boost pump is operating

A

Open the crossfeed valva

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16
Q

Which statement is correct regarding fuel crossfeed valve position

A

Must be CLOSED for takeoff and landing

17
Q

Max lateral fuel imbalance between tanks 1 & 2 must not exceed

A

1000 lbs

18
Q

Can the 737 dump fuel

A

No

19
Q

What is maximum tank fuel temperature

A

49 c

20
Q

What is the minimum inflight fuel temperature if the freezing point of the fuel is -53 degrees celsius(500)

A

-45 degrees