Engines and APU

Question 1

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.

Answer 1

D. All the above.

Question 2

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.

Answer 2

D. A and C are correct.

Question 3

The Autostart system monitors ______ during a ground start.

A. EGT
B. N2
C. Oil pressure.
D. All of the above.

Answer 3

D. All of the above.

Question 4

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.

Answer 4

A. Reverses the display to show black numbers on a white background.

Question 5

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.

Answer 5

C. On the ground with the forward thrust levers in the idle position.

Question 6

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.

Answer 6

D. All the above.

Question 7

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.

Answer 7

B. On the ground.

Question 8

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.

Answer 8

A. EEC.

Question 9

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.

Answer 9

D. All the above.

Question 10

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.”

Answer 10

A. Opens the spar fuel valve.

Question 11

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.

Answer 11

C. N1 as the controlling parameter.

Question 12

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.

Answer 12

D. High EGT.

Question 13

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.

Answer 13

A. Unlocks the fire switch.

Question 14

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

Answer 14

A. 74,100 lbs T/O thrust.

Question 15

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.

Answer 15

B. The Cancel / Recall switch.

Question 16

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.

Answer 16

C. Fuel control switch is in run and engine speed decays to below idle.

Question 17

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.

Answer 17

D. Maximum T/O thrust may not be reached until 65kts IAS.

Question 18

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

Answer 18

B. Electrical power is available when at or below 43,100 ft.

Question 19

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.

Answer 19

D. Both B and C.

Question 20

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.

Answer 20

D. Both A & B are correct.

Question 21

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.

Answer 21

A. An APU limit has been exceeded.

Question 22

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.

Answer 22

B. The engines will produce maximum rated thrust.

Question 23

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.

Answer 23

A. If a fault occurs in the normal mode, control is automatically transferred to the alternate mode.

Question 24

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.

Answer 24

A. On the ground, thrust levers at idle.

Question 25

In the attended mode, which of the following faults do NOT cause the APU to shut down immediately:

A. APU fire / inlet overtemperature.
B. Overspeed / loss of overspeed protection.
C. APU controller failure.
D. High EGT, High Oil Temperature, Low Oil Pressure.

Answer 25

D. High EGT, High Oil Temperature, Low Oil Pressure.

Question 26

How many starters are available to start the APU?

A. Two, electric and pneumatic. The pneumatic is preferred if available.
B. Three, 2 electric and 1 pneumatic. The pneumatic is a backup only.
C. Two, electric only.
D. One, electric only.

Answer 26

C. Two, electric only.

Question 27

When does the APU FAULT light illuminate?

A. APU fire.
B. Momentarily during start cycle self test.
C. APU shutdown due to fault.
D. All of the above.

Answer 27

D. All of the above.

Question 28

When is the APU operating in the unattended mode?

A. On the ground, no engines starting or running.
B. Anytime the aircraft is on the ground.
C. In flight, no engines running or starting.
D. Both A and C are correct.

Answer 28

A. On the ground, no engines starting or running.

Question 29

What is the function of the ENG switch located on the Multi-function Display (MFD) selector?

A. Only to display or remove the secondary engine instruments.
B. To recall any red engine instrument indications.
C. To display the Engine synoptic on the Lower DU.
D. To display the Engine synoptic on the EICAS display below the Primary Engine Instruments

Answer 29

A. Only to display or remove the secondary engine instruments.

Question 30

Thrust Asymmetry Protection (TAP) is only available when:

A. The flight controls are operating in the Normal mode.
B. Above 70kts and elevator trim is in the forward green band.
C. The EEC is in the normal or alternate mode.
D. Both A and C.

Answer 30

D. Both A and C.

Question 31

Can both engines be started simultaneously?

A. Yes, with at least two external power sources available.
B. No.
C. Yes, if using both APU generators as the power source.
D. Yes if field elevation does not exceed 5,200 ft.

Answer 31

C. Yes, if using both APU generators as the power source.

Question 32

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.
D. All of the above.

Answer 32

D. All of the above.

Question 33

The minimum APU oil quantity needed for start is ___ quarts.

A. 12
B. 10
C. 8
D. No required minimum quantity.

Answer 33

D. No required minimum quantity.

Question 34

What is the purpose or function of Thrust Asymmetry Protection (TAP)?

A. Provides protection against idle thrust asymmetry conditions on the ground.
B Provides protection against runaway thrust of one engine in flight, by automatically shutting down the engine.
C. During single engine T/O or Go-Around, TAP may reduce thrust on the operating engine to maintain the required climb performance.
D. All of the above are true.

Answer 34

C. During single engine T/O or Go-Around, TAP may reduce thrust on the operating engine to maintain the required climb performance.

Question 35

The APU battery is designed to support ____ consecutive start attempts.

A. 2
B. 3
C. 4
D. 5

Answer 35

A. 2

Question 36

The APU is designed to be started with no fuel pumps operating in-flight at altitudes up to ____ ft.

A. 43,100
B. 14,000
C. 10,000
D. 22,000

Answer 36

B. 14,000

Question 37

What is true regarding starting both engines simultaneously?

A. It should not be attempted if only one APU generator is operating.
B. Starting both engines simultaneously reduces the a/c pack (CAC) restart time.
C. If one engine autostart fails, then another attempt may be made after the other engine start is complete.
D. Answers A and B are correct.

Answer 37

D. Answers A and B are correct.

Question 38

When inflight with an engine failure, the Autostart system will attempt ____ .

A. Continuous restarts.
B. 3 restarts in one hour.
C. Continuous restarts only if the aircraft is below 18,000ft.
D. Continuous restarts until the starter duty cycle is reached.

Answer 38

A. Continuous restarts.

Question 39

Which statement(s) is/are correct regarding Thrust Assymmetry Protection (TAP) automatic operation during an engine failure?

A. Only functions in the Normal flight control mode.
B. Reduces thrust on the operating engine when airspeed is below V2 on takeoff or VREF on go-around.
C. The EICAS advisory message THRUST ASYM PROT is displayed in amber when TAP is operating.
D. Answers A and B are correct.

Answer 39

D. Answers A and B are correct.