Aircraft 123

What does the backup generator converter do?

• Changes variable voltage into 115V/400H2

• Converts DC power to AC

• Changes variable frequency into 115V/400H2

Which power management panel gets power from the hot battery bus?

• P300 APU auxiliary panel

• P10O power panel

• P310 standby power panel

Which unit controls the no-breaks power transfer?

• Bus power control unit (BPCU)

• Backup converter

• Generator control unit (GCU)

With AC power on the airplane, what happens when you place the standby power switch to the BAT position?

• The static inverter comes on and powers the standby AC bus

• A DC/standby self check starts

• Nothing will happen

On which version of the 777 will you find the P330 panel?

• All versions

• 200/300

• Freighter

Which of the following statements is true?

• The 777 line replaceable units (LRUs) and line replaceable modules (LRMs) use different databuses

• The 777 line replaceable units (LRUs) and line replaceable modules (LRMs) use the same databuses

• The 777 line replaceable units (LRUs) and line replaceable modules (LRMs) do not use databuses

Pneumatic bleed air is supplied by:

• APU only

• 2 stages of the low pressure compressor

• 2 stages of the high pressure compressor

Empennage and body section 48 located at zone:

• 300

• 500

• 400

Where is engine fire extinguisher bottle located?

• Engine pylon

• Fwd cargo bay

• Landing gear wheel well

How is a fire in the lavatory waste compartment indicated?

• By red discharge indicator disk.

• By warning light on the flight deck

• By temperature-indicator