APU Flashcards
1
Q
How are the batteries used for start
A
Batt 1 FADEC and EICAS
Batt 2 power starter
2
Q
What fuel pump is used for APU start?
A
Batt on D.C. Fuel pump right tank
AC power= ACMP 2
Right engine running= ejector pump
3
Q
When will automatic shutdown of APU occur in Flight?
A
Overspeed
Underspeed
FADEC critical fault
4
Q
When will automatic shutdown of APU on ground
A
Overspeed Underspeed FADEC critical fault Fire Overtemp Low oil pressure Sensor fail
