Boeing B777 - Engines

With the engine EECs manually selected to the alternate mode, which statement is true?

The auto throttle automatically disengages.

Both engine EECs are now in the soft alternate mode.

The EEC schedules N2 as a function of thrust lever position.

Positioning the thrust levers to the full forward position will cause the engine limit to be exceeded.

Correct! Wrong!

When does the EEC select approach idle?

When the engine bleed air valve is open.

When the flaps are commanded to 25 or greater.

When wing anti-ice is ON.

When the flaps are out of the UP position.

Correct! Wrong!

The EICAS caution message ENG FAIL (L or R) is displayed if an engine unexpectedly decelerates to less than idle speed.

False.

True.

Correct! Wrong!

If the required signals are not available to operate in the normal mode, the EEC automatically uses the alternate mode. In the alternate mode, the EEC schedules N1 as a function of thrust lever position.

True.

False.

Correct! Wrong!

The oil system provides pressurized oil to lubricate and cool the engine main bearings, gears and accessory drives. The oil system also provides automatic fuel heating for fuel system icing protection.

True.

False.

Correct! Wrong!

Can Thrust over-boost occur in EEC Alternate mode when the thrust levers are in full forward position?

Yes.

No.

Correct! Wrong!

How many in-flight starts does the Auto-start system attempt?

Continuous attempts until the engine starts or the pilot moves the engine fuel control switch to CUTOFF.

Correct! Wrong!

What does the ENG FUEL VALVE L EICAS message mean?

The fuel/oil heat exchanger valve is not functioning.

The engine fuel valve on the left engine is closed.

Both the spar and the engine fuel valves on the left engine are commanded to the same position.

The spar or engine fuel valve on the left engine has not reached its commanded position.

Correct! Wrong!

The autostart system does not monitor engine oil pressure but it monitors engine temperature.

False.

True.

Correct! Wrong!

The autostart system does not monitor oil pressure and temperature.

What does the ENG REV LIMITED R EICAS message mean?

The right engine reverser will provide maximum reverse thrust for a limited time

The right engine reverser will not deploy.

The right engine reverser will not deploy or will be limited to idle

The right engine reverse thrust indication is not valid

Correct! Wrong!

Which statement is true concerning the alternate EEC mode?

Engine thrust limit protection is provided in both the normal and hard alternate modes.

In the hard alternate mode, the EEC used N2 as the controlling parameter.

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

Overspeed protection is not available in the hard alternate mode.

Correct! Wrong!

What powers the left engine thrust reverser?

Right engine bleed air.

Centre hydraulic system.

Left hydraulic system.

Left engine bleed air.

Correct! Wrong!

The EECs do not control thrust limits during reverser operation.

True.

False.

Correct! Wrong!

The EECs also control thrust limits during reverser operation.

The engine failure alert system provides alerts when actual engine performance is less than commanded engine performance during a part of the takeoff and for other phases of flight. A red ENG FAIL is displayed on the PFD if actual thrust is less than commanded thrust during takeoff with airspeed between ______ prior to V1.

30 knots and 5 knots

80 knots and 5 knots.

65 knots and 6 knots.

50 knots and 2 knots

Correct! Wrong!

The PFD display is accompanied by the voice annunciation ENGINE FAIL and the Master WARNING lights illuminating.

Where is engine oil quantity displayed?

The secondary engine indications.

The primary engine indications.

There is no flight deck display for engine oil quantity.

The status display.

Correct! Wrong!

When does automatic continuous ignition activate?

When flaps are out of the UP position or engine anti-ice is on.

When the landing gear is down.

When thunderstorms are detected on the weather radar.

When the thrust levers reach idle or the landing gear is down.

Correct! Wrong!

With auto start ON, when do you move the FUEL CONTROL switch to RUN?

After 18% N2 has been reached.

After START has been selected on the START/IGNITION selector.

After reaching maximum motoring speed.

After the engine stabilizes at idle.

Correct! Wrong!

What is auto-relight?

Auto-relight provides flameout protection by activating the auto start system.

Auto-relight provides flameout protection by activating both ignitors.

Auto-relight opens the start valve automatically if the engine fails to start.

Auto-relight provides hung start protection by deactivating the ignitor.

Correct! Wrong!

Which engine parameters the does the auto-start system not monitor and abort the start sequence?

No N1 rotations.

Oil pressure and temperature.

Starter shaft failure.Hung start.

Hung start.

Correct! Wrong!

What does the ENG OIL TEMP L EICAS message mean?

Engine oil pressure is high.

Engine oil temperature is high.

Engine oil pressure is low.

Engine oil temperature is low.

Correct! Wrong!

What malfunction, during ground start, will cause the auto-start system to abort the start?

Broken fan blade.

Hot start.

Low oil pressure.

High oil pressure.

Correct! Wrong!

What does the ENG OIL PRESS R EICAS message mean?

Engine oil pressure is low.

Engine oil pressure is high.

Engine oil temperature is high.

Engine oil temperature is low.

Correct! Wrong!

The EGT indication has a maximum continuous limit represented by a red band.

False.

True.

Correct! Wrong!

The EGT indication has a maximum continuous limit represented by an amber band. The maximum continuous limit does not apply during takeoff or go–around.

Boeing B777 – Engines

Quiz

Boeing B777 - Engines

With the engine EECs manually selected to the alternate mode, which statement is true?

When does the EEC select approach idle?

The EICAS caution message ENG FAIL (L or R) is displayed if an engine unexpectedly decelerates to less than idle speed.

If the required signals are not available to operate in the normal mode, the EEC automatically uses the alternate mode. In the alternate mode, the EEC schedules N1 as a function of thrust lever position.

The oil system provides pressurized oil to lubricate and cool the engine main bearings, gears and accessory drives. The oil system also provides automatic fuel heating for fuel system icing protection.

Can Thrust over-boost occur in EEC Alternate mode when the thrust levers are in full forward position?

How many in-flight starts does the Auto-start system attempt?

What does the ENG FUEL VALVE L EICAS message mean?

The autostart system does not monitor engine oil pressure but it monitors engine temperature.

What does the ENG REV LIMITED R EICAS message mean?

Which statement is true concerning the alternate EEC mode?

What powers the left engine thrust reverser?

The EECs do not control thrust limits during reverser operation.

Where is engine oil quantity displayed?

When does automatic continuous ignition activate?

With auto start ON, when do you move the FUEL CONTROL switch to RUN?

What is auto-relight?

Which engine parameters the does the auto-start system not monitor and abort the start sequence?

What does the ENG OIL TEMP L EICAS message mean?

What malfunction, during ground start, will cause the auto-start system to abort the start?

What does the ENG OIL PRESS R EICAS message mean?

The EGT indication has a maximum continuous limit represented by a red band.