Systems - Auxiliary Power Unit Flashcards
1
Q
APU Fuel Burn?
A
160kg/hr
2
Q
Can the APU be used for wing anti-ice?
A
No
3
Q
If there is a fire in ENG 1, can the APU bleed be used? Why not?
A
No, because the APU bleed taps into the sytem on the ENG 1 side of the crossflow valve, where the air is potentially contaminated.
4
Q
APU Max Alt for:
1) Starting on batteries?
2) Assist engine start?
3) Air cond/press (single pack)?
4) Air cond/press (dual pack)?
5) Normal start and providing electrical power?
A
1) FL250
2) FL200
3) FL225
4) FL150
5) FL410 (AC ceiling FL398) for both
