Engines APU Flashcards
When will the FADEC increase idle settings?
High bleed demand
High IDG temps on the ground
Idle modes:
Modulated
Approach
REV
When does the FADEC protect against N1 and N2 overspeed?
Forward and reverse thrust. Not start
What is the EIU
Transmits data to the FADEC for engine management
When does the FADEC protect against EGT exceedence?
Only during ground starts
Do not engage engine starter?
Engine is running above 20% N2
Auto ignition
Flame out
Engine anti-ice
Ignition delay on ground start
If EIU (engine interface unit) fails
Ignition required on
Moderate or greater turb or rain
Volcanic dust
Icing conditions
Min oil quantity for engine start
9.5 plus .5 per hour of flight
APU limits
Bleed air f200
Electric f391
Ground start 9200
APU bat start f250
Start with normal pwr f391