ORAL* E145 Fuel

Question 1

What is purpose of collector tank

Answer 1

Keeps fuel pumps submerged in fuel

Question 2

Fuel Capacity

Answer 2

5717 Each wing 11,434 total

Question 3

Pressure refuel total fuel reduction

Answer 3

-13.2 Gallons each wing

Question 4

How many vents each wing…and why

Answer 4

2…at least one vent works in any flight condition

Question 5

How many electric pumps each wing

Answer 5

3, in collector

Question 6

Can one electric pump supply all fuel needs (engine and APU)?

Answer 6

Yes, except T/O and G/A

Question 7

Max alt no electric pump working

Answer 7

25000…engine can use motive flow to 25k

Question 8

When is X Feed selected OFF?

Answer 8

TOGA

Question 9

PUMP PWR buttons do what?

Answer 9

Powers selected electric pump

Question 10

PUMP SEL on 1A…what do 1B and 1C do?

Answer 10

Standby…auto if pressure drops below 6.5 psi

Question 11

Electric pump switches on automatically…what happens?

Answer 11

It cycles on an off until a fuel pump is selected on overhead

Question 12

What happens when LOW1 is selected?

Answer 12

Left pump shuts off and X Feed opens

Question 13

What happens when LOW2 is selected?

Answer 13

Right pump shuts off and X Feed opens

Question 14

Can fuel be transferred wing to wing?

Answer 14

Nope

Question 15

Fuel for APU comes from?

Answer 15

Right Wing

Question 16

Can APU fuel come from Left tank?

Answer 16

Yes, Select LOW2

Question 17

What causes APU fuel shutoff

Answer 17

APU off, APU shutoff, APU Fire button, or auto on ground if fire detected

Question 18

How many fuel pumps each wing?

Answer 18

4….3 electric, 1 motive flow

Question 19

How is collector tank filled

Answer 19

With ejector pump or gravity

Question 20

What starts motive flow?

Answer 20

Electric pump

Question 21

FUEL LO level…how much left?

Answer 21

463-584 lbs in level flight. 20 minutes

Question 22

FUEL LO PRESS triggered at what psi?

Answer 22

At or less than 6.5 psi

Question 23

FUEL TANK LO TEMP?

Answer 23

Bulk fuel below -40 C

Question 24

FUEL IMBALANCE Caution when?

Answer 24

800 lbs and it goes away when it’s less than 100 lbs

Question 25

Tank Level Colors:

Answer 25

Above 880 Green
620 - 880 Amber (Yellow) and boxed
Below 620 Red and Boxed

Question 26

Refueling methods

Answer 26

Pressure and Gravity

Question 27

What is power source for single point refueling?

Answer 27

Normal…DC Bus 1, through batteries. If battery selected…Hot Bus 1

Question 28

What will cause shutoff valves to close during refueling

Answer 28

Max reached, selected amount reached, or refuel switch

Question 29

If pressure DEfueling, how does left wing empty?

Answer 29

Low 2

Question 30

Do not run electric pumps below how much fuel

Answer 30

54 lbs in a wing

Question 31

How many fuel sticks are there?

Answer 31

3 each wing…

Question 32

How do you use fuel sticks?

Answer 32

Start outside and move in. don’t add valors. When you get a reading, that is it. 10 minute wait after fueling for accurate measure

Question 33

Unusable fuel?

Answer 33

39 lbs each wing

Question 34

Unusable fuel with no electric pumps?

Answer 34

365 lbs per wing

Question 35

Max imbalance?

Answer 35

800 lbs

Question 36

Min and max fuel temps?

Answer 36

-40c to 52 C

Question 37

Fuel less than 5 C at Fuel Controller?

Answer 37

must use Prist