Fuel Systems Flashcards Preview

Boeing 787 Dreamliner > Fuel Systems > Flashcards

Flashcards in Fuel Systems Deck (25)
Loading flashcards...
1

Actual fuel temperature is displayed on _____
A. EICAS
B. FUEL synoptic
C. FMC PERF INIT page
D. Both A and B

D. Both A and B

2

The DC powered fuel pump is located in the _____ tank.
• Left main
• Center
• Right main
• Lower center

• Left main

3

The DC fuel pump operates automatically when:
• both AC fuel pumps in the left or right main tank fail.
• either engine fails in flight.
• the APU is started without AC power available.
• any time the APU is started.

• the APU is started without AC power available.

4

The CDU message INSUFFICIENT FUEL indicates:
• Fuel at destination will be zero.
• Predicted fuel at destination will be less than entered reserves.
• Fuel quantity at destination will be critical.
• The fuel quantity system is inoperative.

• Predicted fuel at destination will be less than entered reserves.

5

The expanded fuel quantity display appears when:
A. One or more fuel quantity indicators are inop.
B. The FUEL QTY LOW message is displayed.
C. the crossfeed valve is open.
D. All the above.

D. All the above.

6

When all available fuel has been jettisoned there will be:
• 11,500 lbs total in both main tanks combined.
• 23,500 lbs in the left, center, and right main fuel tanks combined.
• 10,000 lbs in each main fuel tank.
• 8,700 lbs in each main fuel tank.

• 8,700 lbs in each main fuel tank.

7

On the ground the fuel jettison system:
• Is inhibited.
• Will operate only when the engine starter generators are providing power.
• Is inhibited only when using external power.
• Will operate only if the APU is providing electrical power

• Is inhibited.

8

A DC powered fuel pump located in the ___ tank provides fuel for APU start if AC power is not available.
• right main
• center
• left main
• left surge

• left main

9

Exceedance of the fuel imbalance limits:
• Requires no logbook entry or aircraft inspection.
• Requires a logbook entry.
• Requires an aircraft inspection.
• Requires a log book entry only if the imbalance occurs during flight.

• Requires no logbook entry or aircraft inspection.

10

The fuel balancing system is inhibited:
A. during defueling, refueling or ground transfer of fuel.
B. prior to engine start with the APU off.
C. on the ground and one or both engines are running.
D. All the above

D. All the above

11

Placing the left fuel jettison NOZZLE switch to ON in-flight with the jettison system ARMED will:
A. open both main tank jettison valves.
B. open both center tank jettison isolation valves.
C. Cause a fuel imbalance.
D. A and B.

D. A and B.

12

Placing the fuel jettison ARM switch to the ARMED position causes the Fuel To Remain indication to be displayed:
• On the EICAS fuel display only.
• On the Fuel synoptic only.
• On both the EICAS fuel display and FUEL synoptic.
• On the secondary EICAS display.

• On both the EICAS fuel display and FUEL synoptic.

13

Fuel jettison time is displayed:
• On both the primary EICAS display and FUEL synoptic.
• On the primary EICAS display only.
• On the CDU PROGRESS page 2 of 3.
• On the FUEL synoptic only.

On the FUEL synoptic only.

14

The center tank scavenge system will begin to transfer fuel from the center tank when:
• Either main tank quantity is below 35,000 lbs and both center tank pumps are off.
• Both main tank quantities are below 11,500 lbs.
• Both main tank quantities are below 29,000 lbs.
• Both main tank quantities are below 15,000 lbs.

• Either main tank quantity is below 35,000 lbs and both center tank pumps are off.

15

When balancing fuel, what indication(s) appear when the main tank fuel is balanced?
• An EICAS message FUEL BALANCED will display.
• A solid amber pointer appears on the expanded display.
• The expanded display will immediately blank.
• A flashing FUEL BALANCED indication replaces the Fuel Quantity title on the expanded quantity display.

• A flashing FUEL BALANCED indication replaces the Fuel Quantity title on the expanded quantity display.

16

The minimum fuel temperature is displayed on:
• The EICAS STATUS page
• On the EICAS primary display only.
• On the CDU PERF INIT page and the FUEL synoptic.
• The AUX display panel

• On the CDU PERF INIT page and the FUEL synoptic.

17

On the ground or in flight certain fuel pumps may load shed when:
• Less than all engines or generators are operating.
• When only the R1 and R2 main busses are powered.
• When only the L1 and L2 main busses are powered.
• Only when electrical power is supplied by the APU generators.

• Less than all engines or generators are operating.

18

If a center tank pump has low output pressure with low center tank quantity, the ____ EICAS message is displayed.
• FUEL PUMP CENTER
• USE WING FUEL
• FUEL LOW CENTER
• FUEL QTY LOW

• FUEL LOW CENTER

19

The minimum fuel temperature is entered on the:
• CDU PROGRESS page 2 of 2.
• MFD MAINT INFO page.
• CDU ROUTE DATA page.
• CDU PERF INIT page.

• CDU PERF INIT page.

20

The minimum fuel temperature should be set to ___ fuel freeze temperature.
• 3 degrees above
• 3 degrees below
• the actual
• 10 degrees above

• 3 degrees above

21

A FUEL CROSSFEED advisory message displayed on EICAS indicates: • The switch is selected open.
• The crossfeed valve position disagrees with the switch position.
• The crossfeed valve is open.
• The switch is selected closed.

• The crossfeed valve position disagrees with the switch position.

22

When the fuel jettison system is ARMED, the fuel to remain is automatically set to a quantity that will _____ when jettison is complete:
• have the aircraft weight equal to the flight plan landing weight
• leave a total of 23,000 lbs of fuel in the main tanks
• leave the calculated fuel required to reach the selected alternate
• have the aircraft weight at the maximum landing weight

• have the aircraft weight at the maximum landing weight

23

The center fuel tank pump pressure lights illuminate:
• When pump pressure is low with the pump switch selected ON.
• Any time pump pressure is low.
• When fuel quantity is less than 3,000 lbs in the tank.
• When the switch is selected OFF.

• When pump pressure is low with the pump switch selected ON.

24

An EICAS message FUEL JETTISON MAIN indicates:
• Fuel should be jettisoned from the main tanks only.
• Fuel is being jettisoned from the main tanks only.
• Center tank jettison system is inoperative.
• Fuel jettison from the main tanks is inoperative.

• Fuel jettison from the main tanks is inoperative.

25

The APU receives fuel from the:
• Left fuel manifold.
• Center fuel manifold.
• Right fuel manifold.
• Directly from the left tank.

• Left fuel manifold.