Fuel System

Question 1

Pressure refuel quantity?

Answer 1

14,150 lbs

Question 2

Gravity/overwing refuel quantity?

Answer 2

13,000 lbs

Question 3

Fuel tanks are divided into how many sections?

Answer 3

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

Question 4

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

Answer 4

Transfer(XFER) – via DC boost pumps

Gravity XFlow

Question 5

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

Answer 5

1. Left DC boost pump on

2. xfer open

Question 6

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

Answer 6

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

(Not documented as an approved procedure by Bombardier)

Question 7

How is the fuel heated?

Answer 7

Fuel / Oil Heat Exchanger

Question 8

Do you need battery power to fuel the aircraft?

Answer 8

Yes.

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

Question 9

Is mixing of fuel types approved?

Answer 9

Yes

Question 10

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

Answer 10

Collector Tank

Question 11

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

Answer 11

To provide additional expansion volume for the vent system

Question 12

What operates the Main Ejector and Scavenge Ejectors?

Answer 12

Motive flow from the engine driven pumps

Question 13

Minimum wing fuel for go-around?

Answer 13

500 lbs per side

Question 14

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

Answer 14

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

Question 15

How many water drains are in the fuel tanks?

Answer 15

6

Question 16

When do we drain the fuel tanks?

Answer 16

When contamination is suspected

Question 17

How many fuel pumps are on the CL350/300? 9

Answer 17

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

Question 18

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

Answer 18

Gravity transfer

Question 19

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

Answer 19

Run switch to “RUN” - for engine start

Low fuel pressure indication

Right pump for APU operation when right engine is not running

Question 20

How many fuel quantity probes are there?

Answer 20

9 per wing

Question 21

FUEL QTY LOW CAS occurs when?

Answer 21

300 lbs or less in a wing.

Question 22

Single point refuel pressure is limited to?

Answer 22

55 psig

Question 23

The fuel/oil heat exchanger is where?

Answer 23

The AGB

Question 24

The Hydraulic/fuel heat exchanger is where?

Answer 24

Fuel tank

Question 25

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

Answer 25

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