Fuel Flashcards

1
Q

What temperature where fuels start to crystallize?

A

Freezing point

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2
Q

Cavity located in wing tip to compensate overflowing fuel and facilitate ventilation

A

Vent surge tank

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3
Q

What component do we install at the end of refueling line in order to soften the high refueling pressure

A

Diffuser

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4
Q

What defueling method where you are using the tank boost pump to defuel tank

A

Pressure defueling

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5
Q

What specific aircraft tank is used to increase the aerodynamic efficiency of an aircraft in flight by means of shifting the fuel weight

A

Trim tank

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6
Q

Where do you see auxiliary tanks

A

Cargo

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7
Q

Where do you see trim tanks

A

Horizontal stabilizer

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8
Q

Where do you see integral tanks

A

Wings

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9
Q

Cylinder bottle ng gaseous oxygen

A

PSU

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10
Q

During emergency this facilities used to dump the fuel overboard to prevent exceeding the maximum landing weight

A

Jettison

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11
Q

Jet fuel used for commercial operations

A

Jet A and Jet A1

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12
Q

Jet fuel that has the highest freezing point

A

Jet A

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13
Q

Lowest freezing point

A

Jet B

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14
Q

Highest flashpoint

A

JP 5

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15
Q

Lowest flashpoint

A

Jet B

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16
Q

Flashpoint of Jet A1 and Jet A

A

38 degC

17
Q

Freezing point of Jet A1

A

-47 degC

18
Q

Characteristic of fuel where it has the ability to vaporize

A

Volatility

19
Q

What is flashpoint

A

Lowest temperature of fuel at which fuel creates just enough vapors to build up fuel/air mixture that can be inflamed

20
Q

What is the density of Jet A1 and Jet A at 15 degC?

A

0.81 kg/L

21
Q

Type of drain valve that uses a drain line that runs from the lowest point in the fuel tank to the valve housing

A

Indirect drain valve

22
Q

Allows air in the fuel tank to escape during refueling

A

Vent system

23
Q

Prevent fuel entering vent system at any aircraft attitude

A

Float valve

24
Q

Refueling by using an external pump and hose to the overwing filler ports

A

Gravity refueling

25
Q

Different modes of refueling

A

Manual, Automatic, override

26
Q

Refueling where you must calculate the fuel distribution before refueling and monitor the fuel quantities as you operate switches on the refueling panel

A

Manual

27
Q

refueling mode that is an alternative procedure if electrical power to the refueling valves is not available

A

Override

28
Q

Enables the setting of the block fuel

A

Preselector

29
Q

Different types for measuring fuel

A

Dip stick and magnetic level indicators