BE30 - Fuel & Fire extinguisher systems 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

19
Q

Fuel nozzles
- How many of them?
- When does the 2nd stage activates?

A

14 nozzles, divided in 2 sets

N1 > 35%

20
Q

How many fire extinguishers spray tubes in each engine?

A

8

21
Q

Engire Fire Extinguisher - TESTS purpose :
- DET ?
- EXT ?

A

DET =
Checks the continuity of the detection loop

EXT =
Checks the continuity of wiring ti the squib and cartridge

22
Q

Conditions for the Fire Extinguisher Cartridge discarge to be available?

A

First, the firewall fuel valve push button must be in the closed position to complete the circuit to the fire extinguisher push button.

When the circuit is complete, the fire extinguisher push button, placarded “EXTINGUISHER PUSH,” illuminates

Then, the cartridge can be discharged.