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GoGuns > Fuel > Flashcards

Fuel Flashcards

1
Q

What is the capacity of the internal auxiliary fuel cell?

A

100 Gallons

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2
Q

What is the purpose of the NIU?

A

Oxygen depleted air to the airspace tanks

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3
Q

What indication is displayed on the MPD when the internal auxiliary tank is empty?

A

White “E” will be displayed and message on UFS in advisory column.

Same will apply for Wing tanks.

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4
Q

Fuel quantity subsystem measures fuel remaining in the?

A

Internal fuel cells, BOTH FWD/AFT

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5
Q

When the fuel boost pump is on where does it pull fuel from?

A

AFT tank

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6
Q

To prevent damage to the pressurized fuel system, do not exceed a max fuel pressure of?

A

55 PSI

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7
Q

What warning is associated with the gravity filler port?

A

“…To preclude venting of fuel overboard through the filler neck”

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8
Q

What is the total capacity of the FWD and AFT cells combined?

A

376 GAL

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9
Q

What power source is used to operate the bi-directional fuel transfer pump?

A

IPAS air or bleed air

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10
Q

When is the FWD fuel low message displayed?

A

At 240LBS

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11
Q

The fuel boost pump is automatically turned on or off by the MP during engine start but it can also be turned on or off from what MPD page?

A

Fuel page

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12
Q

What is the purpose of the fuel cell breakaway valve?

A

Reduces fire hazards by sealing the cells and lines during high impact landings

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13
Q

Capacity of the forward cell?

A

156 gallons

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14
Q

Capacity of the aft cell?

A

220 gallons

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15
Q

What, if any, is the indication that the Nitrogen Inerting Unit (NIU) has failed?

A

Three white triangles on NIU test panel

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16
Q

What are the two fuel transfer modes?

A

Automatic and operator selectable

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17
Q

What is the purpose of the fuel crossfeed subsystem?

A

To allow both engines to draw fuel from either internal fuel cell

18
Q

Why must the crossfeed be in the Normal mode at all times while in flight unless executing an emergency procedure?

A

A malfunctioning crossfeed shutoff valve could result in a single engine flameout

19
Q

During engine start, the crossfeed mode for that engine is automatically set to what mode?

A

AFT (that’s where the boost pump is)

20
Q

What is the purpose of the fuel quantity subsystem?

A

To measure remaining fuel and detect low levels in the internal cells

21
Q

When is the FWD FUEL LOW Caution message displayed?

A

Fwd cell drops below 240 lb

22
Q

When is the AFT FUEL LOW Caution message displayed?

A

After fuel drops below 260 lb

23
Q

What is the purpose of the Fuel Boost Subsystem?

A

To provide pressurized fuel during engine start and when selected by operator.

24
Q

When the boost pump is on, where does it draw its fuel?

A

Aft interior fuel cell

25
Q

During normal operation, is the fuel boost pump on or off?

A

Off

26
Q

What does the boost pump thermal relief valve do?

A

Relieves pressure buildup caused by heat expansion of the fuel in fuel lines

27
Q

What is the purpose of the refuel subsystem?

A

Allow for pressurized and gravity refueling of AC

28
Q

What is the maximum fueling pressure for gravity refueling?

A

15 psi

29
Q

What is the maximum fueling pressure for closed circuit and single-point adapter pressure refueling?

A

55 PSI

30
Q

What Warning is associated with gravity refueling?

A

Use extreme caution when venting the fuel cell to preclude venting fuel out of the filler neck.

31
Q

What is the purpose of the Fuel Management page?

A

To provide displays of fuel system status and the means to control the operation of the fuel system

32
Q

What is the purpose of the SFR display on the TSD page?

A

To determine power settings for optimum fuel economy during cruise flight

33
Q

What is indicated when the Fire Detect/Extinguish panel ENG 1 FIRE illuminated pushbutton is pressed and the XFEED 1 VALVE FAIL Caution is displayed on the Enhanced Up-Front Display (EUFD)?

A

The engine 1 cross feed shutoff valve failed to close

34
Q

What color will the fuel cells be in n the fuel page when a fuel low caution comes on?

A

Yellow

35
Q

What happens on the fuel page when an auxiliary tank is empty?

A

E will show at the center of the auxiliary tank in the fuel page in white

36
Q

What, if any, is the indication when internal auxiliary fuel transfer is selected and fails?

A

Advisory - CTR XFER FAIL will be displayed on EUFD

37
Q

What, if any, is the indication when the fuel transfer pump fails?

A

The caution FUEL XFER FAIL will be displayed on EUFD

38
Q

What, if any, is the indication that a crossfeed valve did not go to the commanded position?

A

Caution - XFEED# VALVE FAIL will be displayed

39
Q

What, if any, is the indication that the boost pump has failed?

A

Caution - BOOST PUMP FAIL will be displayed on the EUFD

40
Q

During normal operation, is the fuel boost pump on or off?

A

Off

GoGuns (28 decks)

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