Fuel System Flashcards

1
Q

Pressure refuel quantity?

A

14,150 lbs

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2
Q

Gravity/overwing refuel quantity?

A

13,000 lbs

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3
Q

Fuel tanks are divided into how many sections?

A

3 sections - main tank, collector tank, and surge tank

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4
Q

What ways are there to laterally transfer fuel between wing tanks?

A

Transfer(XFER) – via DC boost pumps

Gravity XFlow

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5
Q

How do you transfer fuel from the left wing to the right wing?

A
  1. Left DC boost pump on

2. xfer open

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6
Q

How do you transfer fuel from the left to right on the ground with engines off and APU running?

A
  1. Left DC pump on
  2. xfer open
  3. Rt. pump off.

(Not documented as an approved procedure by Bombardier)

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7
Q

How is the fuel heated?

A

Fuel / Oil Heat Exchanger

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8
Q

Do you need battery power to fuel the aircraft?

A

Yes.

Fuel / Defuel SOV are powered by the Rt. Battery bus.

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9
Q

Is mixing of fuel types approved?

A

Yes

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10
Q

What part of the fuel tank supplies fuel to the engines?

A

Collector Tank

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11
Q

What is the function of the surge tank at the tip of the fuel tanks?

A

To provide additional expansion volume for the vent system

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12
Q

What operates the Main Ejector and Scavenge Ejectors?

A

Motive flow from the engine driven pumps

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13
Q

Minimum wing fuel for go-around?

A

500 lbs per side

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14
Q

Do we need fuel anti-icing additive as long as the minimum oil temperature is achieved?

A

No, Fuel is heated thru the fuel/oil heat exchangers

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15
Q

How many water drains are in the fuel tanks?

A

6

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16
Q

When do we drain the fuel tanks?

A

When contamination is suspected

17
Q

How many fuel pumps are on the CL350/300?

A
9 TOTAL
engine driven pumps(2), 
electric boost pumps(2), 
main ejectors(2), 
scavenge ejectors(2)
APU mechanical pump(1)
18
Q

The powered fuel transfer valve fails to open, what is the backup way of moving fuel between the wing tanks?

A

Gravity transfer

19
Q

In “AUTO” when do the electric fuel pumps come on?

A

Run switch to “RUN” - for engine start

Low fuel pressure indication

Right pump for APU operation when right engine is not running

20
Q

How many fuel quantity probes are there?

A

9 per wing

21
Q

FUEL QTY LOW CAS occurs when?

A

300 lbs or less in a wing.

22
Q

Single point refuel pressure is limited to?

A

55 psig

23
Q

The fuel/oil heat exchanger is where?

A

The AGB

24
Q

The Hydraulic/fuel heat exchanger is where?

A

Fuel tank

25
Q

When the fuel temp is approaching 45 to 50 degrees what consideration should be made?

A

Limitations regarding maximum fuel temp and minimum fuel level in order to cool hydraulic fluid through the hydraulic/fuel heat exchanger.