Engines and APU Flashcards
lnflight, the EEC selects approach idle if:
A. Flaps are 25 or greater
B. Engine anti-ice is on.
C. Landing gear is selected down.
D. All the above
D. All the above
The Autostart system monitors ___ during a ground start.
A. Compressor stalls.
B. Fuel flow.
C. Oil pressure.
D. A and C are correct
D. A and C are correct
How will a low oil quantity condition be displayed on EICAS?
• Reverses the display to show black numbers on a white background.
• Amber indication when minimum oil quantity is reached.
• Oil quantity indicator will change to red.
• Oil quantity indicator will not change unless oil pressure drops.
• Reverses the display to show black numbers on a white background.
Which of the following engine parameters is not monitored by the autostart system during engine start?
• Hot start
• No N1 rotation
• Hung start
• High oil temperature
• High oil temperature
The reverse thrust levers can be raised only when:
A. The autothrottles are disengaged.
B. Below 100 kts.
C. On the ground with the forward thrust levers in the idle position.
D. None of the above.
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. The aircraft is in flight.
D. All the above.
D. All the above.
The engine autostart system will make three start attempts before aborting the engine start sequence when:
A. In the air.
B. On the ground.
C. Both on the ground or airborne.
D. The starter is used for an inflight start.
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
• CDU
• Autostart System
• RPM limiter
• 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. Loss of both starter/generators
D. All the above
D. All the above
During engine start, placing a start/ignition selector to START ___.
• Opens the spar fuel valves.
• Opens the spar and engine fuel valves.
• Opens the engine fuel valve only.
• Arms the spar fuel valve.
• Opens the spar fuel valves.
With the EEC switch in the ALTN position, thrust is set using:
• N2 as the controlling parameter.
• EGT as the controlling parameter.
• N1 as the controlling parameter.
• The charted EGT limit.
• N1 as the controlling parameter.
While operating in the ATTENDED mode, the APU will not shut down for:
• An overspeed.
• APU controller failure.
• Speed droop.
• High EGT.
• High EGT.
Moving the FUEL CONTROL switch to the OFF position will close the fuel valves, removes igniter power and:
• Unlocks the fire switch.
• Disarms the EEC.
• Locks the start valve closed.
• Resets locked EICAS messages.
• Unlocks the fire switch.
The GEnX engines are rated at:
• 70,000 lbs T/O thrust.
• 85,000 lbs T/O thrust.
• 75,000 lbs T/O thrust.
• 90,000 lbs T/O thrust
• 70,000 lbs T/O thrust.
If the N2 red line is exceeded, the red color around the digital indication can be reset to white (if the exceeded parameter has returned to normal) by pushing:
A. TO/GA.
B. The Cancel/Recall switch.
C. The Autothrottle disconnect switch.
D. None of the above.
B. The Cancel/Recall switch.
The EEC provides _____ overspeed protection.
A. N1 only
B. N2 only
C. N1 and N2
D. None of the above.
C. N1 and N2
Both engine igniters operate continuously when the:
A. Engine anti-ice is selected.
B. Ignition switch is placed to continuous.
C. Fuel control switch is in run and engine speed decays to below idle. D. Both A and B.
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?
• Command T/O thrust will be reached within 5 seconds of selecting TO/GA
• May cause noticeable autothrottle stagger.
• Increases potential for compressor stalls
• Maximum T/O thrust may not be reached until 65 kts lAS
• Maximum T/O thrust may not be reached until 65 kts lAS
Which statement is correct regarding APU operation?
A. The APU supplies electrical power and bleed air on the ground and only
electrical power in flight.
B. Electrical power is available when at or below 43,100 ft.
C. Bleed air is available at or below 22,000 ft and electrical power is available to 43,100 ft.
D. None of the above.
B. Electrical power is available when at or below 43,100 ft.
Which statement(s) are true of the Thrust Reverser System? A. Each engine has a pneumatically powered fan air thrust reverser. B. When the reverse thrust levers are moved aft to the interlock position, the autothrottles disengage and the auto speedbrakes deploy (if not armed). C. Pushing the reverse thrust levers to the full down position retracts the reversers to the stowed and locked position.
D. Both B and C.
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 is available.
D. All the above.
D. All the above.
What does the “APU LIMIT” EICAS message
• An APU limit has been exceeded.
• The APU is out of fuel.
• The APU has automatically shut down.
• The APU pneumatic output is limited.
• An APU limit has been exceeded.
What thrust reference mode provides maximum rated takeoff thrust?
• TO 1
• TO
• D-TO 1
• D-TO
• TO
During cruise flight with the EECs operating in the normal mode, you manually position the thrust levers to the full forward position. What will happen?
• The engines will exceed the maximum thrust limit.
• The engines will produce maximum cruise thrust.
• The engines will produce maximum available thrust.
• The EEC alternate mode will automatically engage.
• The engines will produce maximum available thrust.
