FUEL, APU, FIRE

Question 1

What happens when you push APU Master sw pb? (EFFFE)

Answer 1

E- ECB self test
F- Flap opens
F- Fuel Isol valve open
F- Fuel pump ON
E- ECAM page appears

Question 2

What happens when you push ENG FIRE pb? (2-1-3-1-2. from top to bottom)

Answer 2

2- Silences CRC, Arms SQIBS
1- Closes HYD shut-off valve
3- Closes LP fuel valve, De-Energizes FADEC, Closes IDG return line
1- Deactivates IDG
2- Closes bleed valve, Closes Pack flow control valve

Question 3

What happens when you push APU FIRE pb? (2-0-2-1-2. from top to bottom)

Answer 3

2- Silences CRC, Arms SQIBS
0- nothing on HYD
2- Closes LP fuel valve, Turns off APU fuel pump
1- Deactivates APU GEN
2- Closes APU bleed valve, Closes X-Bleed valve

CRC- continuous repetitive chime

Question 4

APU green AVAIL light appears when?

Answer 4

N> 99.5%

N > 95 % for 2 seconds

Question 5

How long will center tank pump run after engine start?

Answer 5

For a minimum of 2 min after each engine start

Question 6

What happens to Center Tank Pumps when fuel reaches 550 lbs?

Answer 6

They will run for an additional 5 mins and shut off