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BE30 > BE30 - Fuel system > Flashcards

BE30 - Fuel system Flashcards

1
Q

Mains qty
each & tot

A

each 1273
tot 2546

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2
Q

Aux qty
each & tot

A

each 533
tot 1065

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3
Q

Total usable fuel

A

3611

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4
Q

Yellow arc
qty & limit

A

265
No take-off

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5
Q

[L/R FUEL QTY] amber

A

300 lbs / 45 g
30 min at MCP

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6
Q

Max imbalance

A

300

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7
Q

Approved grades
- Regular (3)
- Military (3)

A

Regular = Jet A , Jet A-1, Jet B
Military = JP4, JP5, JP8

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8
Q

Commercial grades
Limitations (3)

A
  • Max 150hr between engine overhauls
  • Both standby pumps must be operative
  • Crossfeed must be operative for flights ≥ FL200
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9
Q

Fuel freezing point
JetA / JetA-1

A

-40
-50

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10
Q

[FUEL PRESS LO]
Cause + Limit

A

9-11psi decreasing pressure

Limited to (10) hours before overhaul /or/ replacement of engine-driven fuel pump

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11
Q

Crossfeed - When can it be used?

A

Restricted to single engine ops

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12
Q

How many STDBY pumps are required for takeoff?

A

(1) when using approved engine fuels
* But crossfeed capability will not be available on the side of the inop stdby pump

(2) when using commercial grade
* Crossfeed must be operative for flights ≥ FL200

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13
Q

How is fuel moved from the AUX tanks to the Nacelle tank?

A

Motive Flow Jet pump

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14
Q

How is fuel moved from the WING tank to the Nacelle?

A

Gravity

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15
Q

What happens if the High Pressure engine-driven fuel pump fails?

A

The engine flames-out immediatly

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16
Q

[NO FUEL XFR] cause for illumination

A

Fuel is the AUX tank
&
Fuel pressure < 6 psi at the motive flow valve.

17
Q

During Crossfeed operation :
- In which position should the Standby Pump switches be?
- Which Standby Pump will be activated?

A

Both switches should be OFF

The Standby Pump on the FEEDING SIDE will be automatically activated

18
Q

How is fuel moved from the NACELLE tank to the FCU?

A

Engine-Driven Boost Pump (or STDBY Boost pump, if inop)
&
Engine-Driven High Pressure Pump

BE30 (13 decks)

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