Fuel System

Question 1

The SPPR fuel quantity is ____total/____per side.

Answer 1

14,150 lb (2,100 gal);
7,075 lb (1,050 gal)

Question 2

The overwing/gravity fuel quantity is_____Ib.

Answer 2

13,000

Question 3

Fuel tanks are divided into_____sections including_____.

Answer 3

three;
main tank, collector tank, and surge tank

Question 4

Lateral transfer fuel between wing tanks is accomplished by____and_____.

Answer 4

power transfer (XFER)-via DC boost pumps;
gravity transfer (XFlow)

Question 5

Fuel is transferred from the left wing to the right wing by selecting____.

Answer 5

Left DC Pump on, XFER open

Question 6

With the right engine off and the APU running, fuel is transferred from the left wing to the right wing by selecting____?

Answer 6

Left DC Pump on, XFER open, right pump off (Not documented as an approved procedure by Bombardier.)

Question 7

To prevent fuel sludging/freezing, fuel is heated via ______?

Answer 7

the Fuel/Oil Heat Exchanger

Question 8

Is battery power necessary to fuel the aircraft via the SPPR system?

Answer 8

Yes. Fuel/Defuel SOVs are powered by the Right Battery Bus.

Question 9

Is mixing of fuel types approved?

Answer 9

Yes

Question 10

The part of the fuel tank which supplies fuel to the engine is the______?

Answer 10

collector tank

Question 11

The surge tank, at the outer tip of the fuel tanks, functions to______?

Answer 11

provide additional expansion volume for the vent system

Question 12

The Main Ejectors and Scavenge Ejectors operate to_____?

Answer 12

convert high-pressure motive flow from the engine-driven pumps into lower pressure/high-volume fuel flow

Question 13

The minimum wing fuel required for go-around is_____?

Answer 13

500 Ib per side

Question 14

If the minimum oil temperature is achieved, is fuel anticing additive still required?

Answer 14

No; fuel is heated through the Fuel/Oil Heat Exchangers.

Question 15

There are______total water drains in the fuel tanks, including:_____?

Answer 15

six;
2 in surge tanks, 2 in main wing tanks, 2 in collector tanks

Question 16

Crew should sump the fuel tank drains when______?

Answer 16

contamination is suspected

Question 17

There are______total fuel pumps on the Challenger 300/Challenger 350, including:______?

Answer 17

nine;

2 engine driven pumps, 2 electric boost pumps, 2 main ejectors, 2 scavenge ejectors, and an APU mechanical pump

Question 18

If the fuel transfer valve (XFER) fails to open when selected, ______is the backup method of balancing the wing tanks.

Answer 18

gravity transfer

Question 19

When in AUTO, the electric fuel pumps automatically turn on with_____?

Answer 19

run switch to RUN (for engine start), low fuel pressure indication (<6 PSI), right pump for APU operation when right engine is not running