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Q400 > Fuel > Flashcards

Fuel Flashcards

1
Q

Fuel capacity? Per tank and total in L

A

Each side 3,323 L
Total 6,646L

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2
Q

Fuel weight capacity? Per side and total

A

Each side 2,659 KGs
Total 5,318 KGs

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3
Q

3 main parts of fuel tank?

A

Collector bay
Main tank
Surge bay

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4
Q

Is over-wing refuelling available?

A

Yes

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5
Q

Maximum tank imbalance?

A

272kgs

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6
Q

Purpose of the surge bay?

A

Main tank venting and fuel recovery in the event of main tank fuel overflow

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7
Q

What helps fuel recovery from the surge bay in flight by using positive pressure?

A

NACA vents

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8
Q

Refuel dump valve does what?

A

Designed to open and vent outward to the surge bay when the main tank pressure reaches 3.0psi. Also used for tank venting during pressure refueling

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9
Q

4 scavenge ejector pumps do what?

A

3 move fuel to the collector bay and 1 moves fuel from outboard tank area to the mid wing section

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10
Q

What supplies fuel to the engine?

A

Collector bay

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11
Q

What does the primary ejector pump do?

A

Uses the high pressure motive fuel flow to supply the engine at a constant low pressure from the collector bay

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12
Q

What serves as a backup to the primary ejector pump?

A

The aux pump

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13
Q

Aux pump power?

A

L variable 115V AC bus

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14
Q

Which tank has fuel temp?

A

Left tank

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15
Q

1/2 TANK FUEL LOW caution light

A

Fuel in collector bay decreases to 150kg and
Park brake not set and
Engine fed by the tank is operating

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16
Q

What controls the engine fuel shut off valve?

A

PULL FUEL/ HYD OFF handle

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17
Q

Will the PULL FUEL/HYD OFF handle pulled will you see the ‘VALVES FUEL’ open or closed?

A

White light illuminated showing closed valves

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18
Q

ED fuel quantity shown in kg or L?

A

KG

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19
Q

Yellow ‘BALANCE’ happens when?

A

Fuel quantity computer detects an imbalance greater than 272kgs

20
Q

How many magnetic dipstick locations are there?

A

2 one is located on the underside of each tank outboard of the nacelle

21
Q

Dipstick reading are accurate between what %?

A

15% and 85%

22
Q

What must you do when transferring fuel from one tank to another?

A

Display the fuel system page on an MFD

23
Q

What powers refuel defuel panel if aircraft is off?

A

Battery power bus

24
Q

What does PRESELECT REFUEL mean?

A

Automatic mode
REFUEL is manual

25
Q

When manual REFEUL position is selected how is refuelling cancelled?

A

The switch is set to CLOSE (tank 1 tank 2 switches)
High level sensors detect overfill or
Mode selector switch selected to off

26
Q

What does the PRECHECK position do?

A

Simulates a full tank quantity and causes the shutoff valves to close and the Refuel shutoff light to illuminate. After 4 secs the light goes out refuelling continues

27
Q

What valves open when pressure refuelling?

A

Dump valves to prevent over pressurising

28
Q

Is DC power required for pressure refuelling?

A

Yes

29
Q

Engine driven fuel pump inlet pressure is low what caution light will you get?

A

1 or #2 ENG FUEL PRESS

30
Q

1/2 FUEL FLTR BYPASS caution light

A

If fuel filter becomes blocked and needs to be bypassed

31
Q

FUELLING ON caution light is special why?

A

Only light to illuminate without a tone and without a flashing caution light

32
Q

Illumination of the #1 FUEL FLTR BYPASS caution light indicates ?

A

The fuel filter is clogged and bypass is impending

33
Q

The auxiliary fuel pumps are powered by ?

A

115V AC

34
Q

Fuel quantity can be monitored on ?

A

All of the above
The refuel/defuel panel
The engine display (ED)
The FUEL system page on either MFD

35
Q

When conducting a fuel transfer ?

A

The FUEL system page must be displayed on a MFD

36
Q

Which of the following caution lights is not associated with a master caution light?

A

FUELING ON

37
Q

During a fuel transfer to tank #1 the indications you would expect to see fuel control panel are ?

A

Tank #2 Aux Pump ON annunciator illuminated

38
Q

The engine fuel shut-off valves are controlled ?

A

By the PULL FUEL I HYD OFF handles

39
Q

How many water drains are provided for each fuel tank?

A

Three

40
Q

Under what circumstances will a fuel transfer automatically stop?

A

Recipient tank reaches high level sensor

41
Q

A total fuel quantity figure can be found displayed on ?

A

The FUEL system page on either MFD

42
Q

Each engine is continuously supplied with fuel by its associated ?

A

Primary ejector pump

43
Q

When the primary fuel capacity indication system is inoperative the fuel quantity can be checked by ?

A

Magnetic dipsticks

44
Q

Flapper valves installed in the fuel tanks ?

A

Allow fuel to flow in one direction through baffles

45
Q

Fuel for the APU is supplied from ?

A

The #1 fuel tank collector bay

46
Q

The total fuel capacity of the aircraft is closest to ?

A

5,318 kg

Q400 (33 decks)

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