Fuel

Question 1

What are the contents of the fuel tanks?

Answer 1

Collector tank
Surge vent
NACA air intake
Flame arrester

Question 2

How many electric pumps and ejector pumps are in each tank?

Answer 2

3 electric

1 ejector

Question 3

What is the purpose of the ejector pump?

Answer 3

Supply fuel into the collector tank

Question 4

What side does the APU pull fuel from?

Answer 4

Right side

Question 5

What causes the APU fuel shutoff valve to close?

Answer 5

APU master off
APU fuel shutoff button
APU fire extinguishing button
Fire detected on ground +10 second

Question 6

Where are the direct measuring stick?

Answer 6

Under the wing 2 EP, 3 LR

Question 7

What happens if a fuel pump fails?

Answer 7

Alternate pumps switch on until 6.5psi then back off again

Question 8

What is the power supply for the fuel pumps?

Answer 8

Pump A - on side essential bus
Pump B - cross side essential bus
Pump C - on side DC bus

Question 9

How do you convert gallons to lbs and lbs to gallons?

Answer 9

Multiply gal x 6.767lbs

Lbs drop the last number and add half. 1000 = 150

Question 10

What are the contents of the fuel system?

Answer 10

2 integral fuel tanks
Electric pumps
Ejector pumps
Shutoff valve
Check valves