Engines and APU 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 is available.
D. All the above.
D. All the above.
Inflight, the EEC selects approach idle if:
A. Flaps are 25 or greater.
B. Speedbrakes ARMED.
C. Landing gear is selected down.
D. A and C are correct.
D. A and C are correct.
The Autostart system monitors ______ during a ground start.
A. EGT
B. N2
C. Oil pressure.
D. All of the above.
D. All of the above.
How will a low oil quantity condition be displayed on EICAS?
A. Reverses the display to show black numbers on a white background.
B. Amber indication when minimum oil quantity is reached.”
C. Oil quantity indicator will change to red.
D. Oil quantity indicator will not change unless oil pressure drops.
A. Reverses the display to show black numbers on a white background.
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.
A. EEC.
B. CDU.
C. Autostart System.
D. RPM limiter.
A. 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 ____ .
A. Opens the spar fuel valve.
B. Open the spar and engine fuel valves.
C. Open the engine fuel valve only.
D. Arm the spar fuel valve.”
A. Opens the spar fuel valve.
With the EEC switch in the ALTN position, thrust is set using:
A. N2 as the controlling parameter.
B. EGT as the controlling parameter.
C. N1 as the controlling parameter.
D. The charted EGT limit.
C. N1 as the controlling parameter.
While operating in the ATTENDED mode, the APU will not shut down for:
A. An overspeed.
B. APU controller failure.
C. Speed droop.
D. High EGT.
D. High EGT.
Moving the FUEL CONTROL switch to the CUTOFF position will close the fuel valves, removes ignitor power and:
A. Unlocks the fire switch.
B. Disarms the EEC.
C. Locks the start valve closed.
D. Resets locked EICAS messages.
A. Unlocks the fire switch.
The 787-9 GEnX engines are rated at:
A. 74,100 lbs T/O thrust.
B. 85,000 lbs T/O thrust.
C. 76,000 lbs T/O thrust.
D. 90,000 lbs T/O thrust
A. 74,100 lbs T/O thrust.
If the N2 redline 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.
Both engine ignitors 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?
A. Commanded T/O thrust will be reached within 5 seconds of selecting TOGA.
B. May cause noticeable autothrottle stagger.
C. Increases potential for compressor stalls.
D. Maximum T/O thrust may not be reached until 65kts IAS.
D. Maximum T/O thrust may not be reached until 65kts IAS.
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.
D. Both B and C.
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. On very cold days, thrust should not be advanced to takeoff thrust until the oil temperature gauge is above the minimum indication.
C. If oil quantity is not at least 14 quarts after engine stabilized and prior to flight, the system should be investigated.
D. Both A & B are correct.
D. Both A & B are correct.
What does the “APU LIMIT” EICAS message mean?
A. An APU limit has been exceeded.
B. The APU is out of fuel.
C. The APU has automatically shut down.
D. The APU pneumatic output is limited.
A. An APU limit has been exceeded.
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?
A. The engines will exceed the maximum thrust limit.
B. The engines will produce maximum rated thrust.
C. N1 and N2 might overspeed momentarily, but this is acceptable.
D. The EEC alternate mode will automatically engage.
B. The engines will produce maximum rated thrust.
Which statement is TRUE concerning the alternate EEC mode?
A. If a fault occurs in the normal mode, control is automatically transferred to the alternate mode.
B. In the hard alternate mode, the EEC uses N2 as the controlling parameter.
C. Engine thrust limit protection is provided in both the normal and hard alternate modes.
D. Overspeed protection is not available in the hard alternate mode.
A. If a fault occurs in the normal mode, control is automatically transferred to the alternate mode.
When does Thrust Control Malfunction Accommodation (TCMA) protect against asymmetrical power between engines?.
A. On the ground, thrust levers at idle.
B. In flight when one engine fails.
C. In flight with LAND 2 or LAND 3 annunciated.
D. After landing with speed below 60 knots, if a reverser does not stow properly.
A. On the ground, thrust levers at idle.
