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CL-65 Study Guide > Fuel System > Flashcards

Flashcards in Fuel System Deck (17):
0

How is the fuel moved from the center tank to the main tanks?

Transfer ejectors

1

How is the fuel moved from the main tanks to the collector tanks?

Scavenge ejectors (gravity line as a backup)

2

How is the fuel moved from the collector tanks to the engine driven high pressure fuel pump?

Main ejectors (fuel boost pumps are backup)

3

What is the function of the electric fuel boost pumps?

To provide initial fuel for engine start and to back up the main ejectors

4

What is the flight deck indication of a high pressure fuel pump failure?

Engine flameout

5

What is the maximum fuel imbalance?

300 lbs for takeoff and 800 lbs all other times

6

When will the fuel system automatically start transferring fuel?

200 lb fuel imbalance

7

When are the boost pumps automatically energized?

Low pressure from the main ejectors (only if the pumps are armed)

8

Where is the high pressure fuel pump located?

N2 accessory gearbox

9

Where is the bulk fuel temperature taken?

Right main tank

10

What is the minimum bulk fuel temp for takeoff? During flight?

- 30 Celsius / above - 40 Celsius

11

How is the engine fuel heated?

Fuel/oil heat exchanger

12

What is the minimum engine fuel temp for takeoff?

+5 Celsius

13

What is the limitation for takeoff if the center tank has > 500 lbs of fuel?

Each main tank must have > 4400 lbs

14

Which bus powers the refuel/defuel panel and the refuel/defuel SOVs?

APU battery direct bus

15

Where is the refuel/defuel panel located

Fuselage forward of the right wing

16

Where is the single point fuel adapter located?

Right wing root