7.Engines/APU Flashcards
What causes the automatic display of the Secondary engine indications ?
When the FUEL FLOW ENG L/R EICAS advisory displays.
When is the in-flight Start Envelope indication displayed ?
When the engine fire switch is IN and the Fuel Control switch is at CUTOFF
What actions will open the Spar Fuel Valve ?
Moving the START selector to ‘start’or the FUEL CONTROL switch to ‘run’.
Thrust Asymmetry Protection (TAP) is available when the EECs are in Normal or Alternate mode and ……,?
Flight Controls are in Normal Mode Only
In EEC ALTN MODE (Hard) what N1 values will be displayed ?
Ref N1 and Target N1
What is the maximum Altitude the APU can be started at and operated ?
Airplane max certified altitude.
When is it allowable to carry out a two engine simultaneous start ?
1 when the APU is operational
2 when both APU Generators are functioning
During APU start what does the MAIN battery power ?
The MAIN battery powers :
APU shut off valve
DC fuel pump
Fire detection system
During APU start what does the APU BATTERY power ?
The APU battery powers :
APU CONTROLLER
APU DOORS
RIGHT STARTER IF REQUIRED
With no AC power available, what is the source of the APU fuel ?
DC Fuel pump - left main tank
When is the APU in ATTENDED MODE ?
After one engine start or in flight
What indication is given when the APU is in attended mode and it continues to run after a fault occurs ?
APU LIMIT
( High EGT
Low Oil pressure
High Oil Temperature )
