Engines Flashcards
1
Q
What is operated by the accessory gear box ?
A
Oil feed pump
main eng fuel pump
fadec alternator
eng driven HYD pump
Eng driven GEN
pneumatic starter
2
Q
What control the ENG and what redundancy is available ?
A
2 Fadec which control the complete engine management
Each Fadec has two channels, one is active the other is on standby. In case of failure the other takes over.
3
Q
How many idle are available ?
A
- modulated idle (regulated by bleed demand and ambient condition)
- approach idle in flight when flaps are extended => Allow to rapidly accelerate from idle to go around
- reverse idle
4
Q
What function are perform by the FADEC ?
A
control of gas generator
protection against engine exceeding limits
power management
start sequence
thrust reverser control
fuel recirculation
transmission of eng parameter
detection, isolation and recording of failures
