engines and apu Flashcards
The EEC when operating in the Alternate mode:
A. Provides no Thrust Limit (overboost) protection.
B. Provides N1 and N2 overspeed protection.
C. Does not allow autothrottle operation.
D. A and B are correct.
D. A and B are correct
In flight, the EEC selects approach idle if: A. Flaps are 25 or greater. B. RA is below 2500 feet and decreasing. 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. Oil pressure B. Hot or hung starts C. Oil quantity D. A and B are correct.
D. A and B are correct.
A low oil quantity condition will be annunciated on EICAS by:
A. Reverse highlighting (black numbers on a white background) the oil quantity display.
B. An amber OIL QTY (L or R) caution message and associated beeper when
2.0 gallons remain.
C. Oil quantity indicator will change to red and flash
D. Oil quantity is never monitored.
A. Reverse highlighting (black numbers on a white background) the oil quantity display.
The reverse thrust levers can be raised only when:
A. The autothrottles are disengaged.
B. Below 100 knots.
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 running or being starting.
B. One or more of the flight deck seats are occupied.
C. The aircraft is in flight.
D. A and C are correct.
D. A and C are correct.
The engine autostart system will make a maximum of three start attempts before aborting the engine start sequence when in flight.
A. True.
B. False.
B. False.
When the thrust levers are positioned to the full forward position, the provides
N1 and N2 overspeed protection.
A. EEC
B. CDU
C. Auto Thrust Limiter System (ATLS) D. Mechanical Limiters
A. EEC
On the ground, the engine autostart system will not attempt a second start after which of the following malfunctions? A. No N2 rotation. B. No oil temperature rise. C. Loss of both starter/generators. D. All the above.
C. Loss of both starter/generators.
Manual engine starts are accomplished:
A. Using the Manual Start supplementary procedure.
B. By turning OFF the AUTO START switch and manually selecting the Start and Fuel Cutoff valves.
C. Manual Starts are not available.
D. By coordinating with maintenance via the Flight Interphone.
C. Manual Starts are not available
Regardless of the EEC switch position, thrust is set using:
A.N2 as the controlling parameter.
B. Fuel Flow 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 UNATTENDED mode, the APU will shut down for: A. An overspeed. B. High EGT. C. Speed droop. D. All the above.
D. All the above.
With the FUEL CONTROL switch in the CUTOFF position, the associated fire switch:
A. Is automatically unlocked.
B. Requires an active fire signal to unlock.
C. Automatically discharges the first fire bottle when a fire is detected.
D. Resets locked STATUS messages.
A. Is automatically unlocked.
The GEnX 1B74/75 engines on the 787-9 are rated at: A. 69,800 pounds T/O thrust. B. 84,300 pounds T/O thrust. C. 74,100 pounds T/O thrust. D. 90,000 pounds T/O thrust
C. 74,100 pounds T/O thrust.
If an engine indication reaches a redline value the indicator digital readout, pointer, dial change to a red color. The indicator color change can be reset to white (if the exceeded parameter has returned to normal) by:
A. Pushing TO/GA.
B. Pushing the Cancel / Recall switch.
C. Selecting the respective Autothrottle disconnect switch OFF then ON.
D. Pushing RESET.
B. Pushing the Cancel / Recall switch.
If AUTORELIGHT is displayed above N2:
A. Select continuous on the Ignition Select Switch.
B. Both igniters are running in the continuous condition.
C. The fuel control switch is in run and engine speed has decayed to below idle.
D. Both B and C.
D. Both B and C.
The thrust ramping feature compensates for high stress loads due to crosswinds or low groundspeeds.What effect does this have on engine operation?
A. Commanded T/O thrust will be reached within 5 seconds of selecting TOGA.
B. Delayed high speed engine response.
C. May cause noticeable autothrottle stagger.
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. There is no loss of electrical capacity when operated at or near maximum altitude.
D. None of the above.
B. Electrical power is available when at or below 43,100 ft.
When the reverse thrust levers are moved aft to the interlock position, the autothrottles disengage and the auto speedbrakes, if not armed, deploy.
A. True.
B. False.
A. True.
Regarding the Engine Oil System:
A. There is no minimum oil quantity limit for operating the engine in flight.
B. The oil pressure varies as a function of pressure altitude.
C. Minimum oil quantity prior to start is 18 quarts.
D. All the above.
D. All the above.
When the “APU LIMIT” EICAS message is displayed:
A. The APU is limited to no more than 120 minutes of operation.
B. The APU has automatically shut down.
C. An APU limit has been exceeded.
D. The APU electrical output is load limited.
C. An APU limit has been exceeded.
With the EECs operating in the normal mode, what action will provide maximum available thrust?
A. Selecting CLB/CON on the MCP.
B. Manually positioning the thrust levers to the full forward position.
C. Selecting TOGA on either thrust lever, regardless of autothrottle status.
D. Selecting T/O 1 on the Thrust Ref page.
B. Manually positioning the thrust levers to the full forward position.
Which statement is TRUE concerning the hard alternate EEC mode?
A. If a fault occurs in the normal mode, control is automatically transferred to the hard alternate mode.
B. In the hard alternate mode, the EEC uses N1 as the controlling parameter.
C. Engine thrust limit protection is always provided in hard alternate modes.
D. Overspeed protection is not available in the hard alternate mode.
B. In the hard alternate mode, the EEC uses N1 as the controlling parameter.
Thrust control malfunction accommodation (TCMA) can automatically shut down an engine to protect against idle thrust asymmetry conditions while on the ground.
A. True.
B. False.
A. True.