Engines/APU system Flashcards
What are the primary engine indications on the upper EICAS?
(FCOM 7.20.2)
- N1
- EGT
When will you see the EGT Start Limit line displayed?
(FCOM 7.20.6)
- FUEL CONTROL switch in CUTOFF,or
- Engine Start
- N2 RPM below idle
If the EGT limit is exceeded on takeoff, what is indicated? What indications remain, if any, after EGT returns to normal range?
(FCOM 7.20.3)
Entire EGT gauge goes red. EGT gauge remain red after EGT returns to normal range, EGT digits return to white, EGT box can be cancelled.
The red line on the N1 indicator represents what?
(FCOM 7.20.3)
Max N1.
What valves are controlled by the fuel control switch with AUTOSTART in AUTO?
(FCOM 7.20.6)
With AUTOSTART active, only the Spar valve. EEC controls the Engine Fuel valve.
When will continuous ignition come on automatically?
(FCOM 7.20.8)
- Engine flameout detected
- Flap lever is out of the UP position
- Engine anti-ice is on
- Inflight start
What protections are provided by the EEC?
(FCOM 7.20.5)
Overspeed and Overboost.
When is approach idle active?
(FCOM 7.20.5)
- Engine anti-ice is operating
- Flaps are commanded to 25 or greater
- one hydraulic system air-driven demand pump is inoperative, and the flaps are out of the UP position
- the opposite engine bleed air valve is closed
What are the APU operating modes?
(FCOM 7.30.2)
Attended and unattended.
When will the APU be commanded to start automatically?
(FCOM 7.30.2)
Loss of power to both transfer busses.