Electrical

25問 • 1年前

問題一覧

The entire airplane AC electrical load can be supplied by:

D. All of the above

If the Electrical load exceeds the power available, the Electrical Load Management System (ELMS) :

C. Load sheds Galleys first, then utility busses

If the Prinary External source is powering the Right main Bus, and the Secondary External Power source is powering the Left main Bus what occurs if the APU is started :

A. The APU generator replaces Secondary External Power on the left main Bus

If the Primary External source is powering both left and right main busses and the APU generator is connected:

B. The APU powers the left main bus and the primary external source powers the right main bus

With both primary and secondary external power sources connected, the right engine is started and the right IDG breaker closed:

C. The left and the right main busses are powered by the right IDG and both external power sources disconect from the main busses and become available

With the right engine running APU is started and both external power sources connected:

B. The right main bus is powered by the right IDG and the left main bus is powered by the APU

The ground service bus powers:

C. The main battery charger and cargo handling

The ground service bus is normally powered by :

D. All of the above

The ground handling bus can be powered on the ground only by the APU

B. FALSE

The ground handling bus can be powered:

B. On the ground by theAPU and primary external power source

The primary source of DC power is:

B. Four transformer rectifier units (TRUs)

The main DC electrical system uses four transformer rectifier units (TRUs) to produce DC power

B. FALSE

The Transformer rectifier units (TRUs) are powered by:

B. The AC transfer busses

There are no controls for the DC system, as it is fully automatic

B. FALSE

The Transformer rectifier units (TRUs) suply:

D. All of the above

The backup electrical system automatically powers one or both transfer busses when:

D. All of the above

The STBY electrical system can supply:

D. AC and DC power to selected flight instruments, communication and navigation systems

The STBY electrical system consists of:

C. The main battery, STBY inverter,TRUs, RAT

The Ram Air Turbine (RAT)

B. Can supply electrical and hydrolic power simultaneously and has no operating limits

If the Ram Air Turbine (RAT) is unable to maintain RPM the RAT electrical loads are shed

A. TRUE

If the Ram Air Turbine (RAT) is unable to maintain RPM Power for the STBY power system:

A. is provided by the main battery

The Ram Air Turbine (RAT) is deployed automatically if:

D. Both A and B are correct

When Electric Generator off Light (left or Right) illuminated (amber) :

D. Both A and B are correct

During Climb the EICAS advisory message, ELEC GEN DRIVE L displays:

D. Both a and B are correct

The Generator drive :

C. Both A and B are correct

Airplane General

Airplane General

Air Systems

Air Systems

Anti-Ice, Rain

Anti-Ice, Rain

Automatic Flight

Automatic Flight

Communications

Communications

Engines, APU

Engines, APU

Fire Protection

Fire Protection

Flight Controls

Flight Controls

Flight Instruments, Displays

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Flight Instruments, Displays

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Flight Management, Navigation

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Flight Management, Navigation

Fuel

Fuel

Hydraulics

Hydraulics

Landing Gear

Landing Gear

Warning Systems

Warning Systems