Engines Flashcards
During an autostart with an OAT of -15C, the crew notices no N1 rotation or oil pressure indication initially. When must N1 rotation and oil pressure indicate during start?
Engine at Idle N2
When will X-BLD display on the lower EICAS
If the inflight start envelope is displayed and airspeed is too slow for a windmilling airstart
The EGT continuous limit indication is displayed in what color?
Amber
Where is the oil quantity displayed
Secondary Engine display on the lower EICAS
Which engine parameters are displayed on the Upper EICAS
N1 and EGT
During a manual start (autostart switch off) when does the engine START light illuminate in the engine start switch?
As soon as the Engine START switch is pulled
What parameter does the EEC use to control engine thrust?
N1 for both Primary and Alternate
The autostart system does not monitor which two engine parameters ?
N1 and oil pressure
How are EECs powered?
Its own Permanent Magnet Alternator
How are the thrust reversers actuated?
Pneumatically
An amber thrust reverser status annunciator indicates what?
Thrust reverser is unlocked or moving
During a normal ground start, how many start attempts will the EEC make before aborting the autostart sequence?
3
If the EICAS advisory message ENG 1 EEC MODE is displayed, what would happen regarding the autothrottels?
Autothrottles disconnect disconnect but can be reengaged only after all EECs are manually transferred to the alternate mode.
Until the engine stabilizes at idle during autostart on the -400, what does the EEC monitor?
EGT and N2 RPM
When does the start valve open during an Autostart?
When the Fuel Control Switch is moved to RUN
When reverse thrust is activated, which indications are not displayed above the digital N1 RPM display?
Command and reference N1
What is the controlling parameter the EEC uses for setting thrust?
N1 RPM
When will the secondary engine exceedance cue be present?
A secondary engine parameter has been exceeded
When will the EEC select Approach idle
Continuous ignition ON or nacelle antiice ON
What does the white light in the Engine Start Switch indicate when illuminated?
The start valve is open
How are the igniters powered when the Standby Ignition Switch is in NORM?
AC power provided to selected igniters, it AC power is unavailable, standby power is automatically provided
Autoignition selector in SINGLE how are igniters selected for airborne starts?
Both igniters are selected for airborne engine starts
Autoignition selector in SINGLE, how are igniters selected for ground starts?
Ignition alternates between 1 and 2 after each ground start
EEC in alternate mode, what precautions are available?
Overspeed only
