Engapu Flashcards
Which of the following is true about the EEC Alternate mode?
A. Thrust Limit protection is not provided.
B. N1 reference and target values are computed by the FMC.
C. N1 and N2 overspeed protection protection is available.
Inflight, the EEC selects approach idle if:
A. Flaps are 25 or greater
B. Engine anti-ice is on.
C. Landing gear is selected down.
The Autostart system monitors ____ during a ground start.
A. Compressor stalls.
C. Oil pressure.
How will a low oil quantity condition be displayed on EICAS?
Reverses the display to show black numbers on a white background.
Which of the following engine parameters is not monitored be the autostart sstem during engine start?
High oil temperature
The reverse thrust levers can be raised only when:
C. On the ground with the forward thrust levers in the idle position.
The APU is operating in the attended mode when:
A. Either engine is starting
B. Either engine is running
C. Th aircraft is in flight.
The engine autostart system will make three start attempts before aborting the engine start sequence when:
B. On the ground
Maximum rated thrust is available in any phase of flight by moving the thrust levers to the full forward position. The ____ provides N1 and N2 overspeed protection.
EEC
On the ground, the engine autostart system will not attempt a second start after which of the following malfunctions?
A. No N1 rotation.
B. No oil pressure rise
C. Lodd of both starter/generators
During engine start, placing a start/ignition selector to START ____.
Opens rhe spar fuel valves.
With the EEC switch in the ALTN position, thrust is set using:
N1 as the controlling parameter.
While operating in the ATTENDED mode, the APU will not shut down for:
High EGT.
Moving the FUEL CONTROL switch to the OFF position will close the fuel valves removes ignitpr power and:
Unlocks th fire switch.
The GEnX engines are rated at:
70,000 lbs T/O thrust.
If the N2 redline is eceeded, the red color around the digital indication can be reset to white (if the exceeded parameter has returned to normal) by pushing:
B. The Cancel / Recall switch.
The EEC provides _______ overspeed protection.
C. N1 and N2
Both engine ignitors operate continuosly when the:
C. Fuel control switch is in run and engine speed decays to below idle.
What effect will the thrust ramping feature have when setting T/O thrust levels?
Maximum T/O thrust may not be reached untl 65kts IAS
Which statement is correct regarding APU operation?
B. Electrical power is available at or below 43,100 ft.
Which statement(s) are true of the Thrust Reverser System?
B. When the revers thrust levers are moved aft to the interlock position, the autothrottles disengagenand the auto speedbreaks deploy (if not armed).
C. Pushing the reverse thrust levers to the full down postion retracts the reversers to the stowed and lock position.
Select the correct statement(s) concerning the Engine Oil System (assuming normal operations).
A. There is no minimum oil quantity limit for operating the engine in flight.
B. The oil pressure varies inversely as a function of altitude.
C. If the oil quantity is not at least 14 quarts after engine stabilized and prior to flight, the system should be investigated.
What does the “APU LIMIT” EICAS mesage mean?
An APU limit has been exceeded.
What thrust reference mode provides maximum rated takeoff thrust?
TO
During the cruise flight with the EECs operating in the normal mode, you manually postion the thrust levers to the full forward position. What will happen?
The engines will produce maximum available thrust.
Which statement is TRUE concerning the alternate EEC mode?
If a fault occurs in the normal mode, control is automatically transfers to the alternate mode.
Thrust control malunction accomodation (TMCA) protects against idle thrust asymmetry conditions while on the ground.
A. True
In the normal mode, the EEC sets thrust by controlling N1 based in thrust lever position.
A. True
In the attended mode, which of the following faults do NOT cause the APU to shut down immediately:
High EGT, High Oil Temperature, Low Oil Pressure.
How many starters are available to start the APU?
Two, electric only.
Under ehat condition(s) will the APU start automatcally?
A. Loss of three or more starter generators.
When does the APU FAULT light illuminate?
A. APU fire
B. Momentarily during start cycle self test
C. APU shutdown due to fault.
When is the APU operating in te unattended mode?
A. On the ground, no engnes strting or running.
The secondary engine instruments can be displayed by pushing either secondary engine display switch (ENG on the display select panel).
A. True
What are the modes of operation of the EEC, and what are the differences inprotection available?
Normal and Alternate. There is no overboost protection in the Alternate mode.
Thrust Asymmetry Protection (TAP) is only available when:
A. the flight controls are operating in the Normal mode.
C. the EEC is in the normal or alternate mode.
Can both engines be started simultaneously?
Yes, if using both APU generators as the power source
For normal operations, the minimum oil quantity required before engine start is ___ quarts.
18
For non-ETOPs flights of less than 3 hours, the minimum oil quantity required after the engine is stabilized and prior to flight is ___ quarts.
8
During takeoff, an engine failure may generate a time critical warning which will consist of the following:
A. An aural warning “Engine Fail”.
B. Illumination of the Master Warning Lights.
C. A PFD warning message of ENG FAIL.
The minimum APU oil quantity needed for start is ___ quarts.
D. No required minimum quantity.
During single engine T/O or Go-Around, TAP may reduce thrust on the operating engine to maitain te required climb performance.
(No answer again so its either)
A. True
B. False
The APU battery is designed to support _____ consecutive start attempts.
2
The APU is designed to be started with no fuel pumps operating in-flight at altitudes up to ____ ft.
14,000
Starting n=both engines simultaneously reduses the a/c pack (CAC) restart time.
A. True
When inflight with an engine failure, the Autostart system will attempt ____.
continuos restarts
What are the flight deck indications of a bowed rotor start?
Elevated VIB (vibration) values are observed (N1, N2, of BB) or engine vibrations are felt during the start.
Thrust ramping is designed to reduce high stress on engine fan blades under what conditions?
A. Crosswinds at low groundspeed.
B. High altititude and high ambient temperature requiring maximum thrust.
Thrust Assymetry Protection (TAP) is automatic and can be verified by observing a thrust reduction on the N1 indicator of the operating engine.
A. True
The engines can only be started with the auto start system.
A. True
