When is the leg number incremented ?

A. A red flag.

B. Dashes in place of identification.

C. The ground station characteristics and pointer disappear.

A. Below 2300ft and one of the two qualifier inputs,of both qualifiers A and B, is valid.

B. Always when a windshear event is encountered.

C. When the AUTO/ON/STBY selector on the ATC/TCAS Control Unit is in STBY position.

A. It is retracted by the biased servo valve.由偏置伺服阀收回

B. It is retracted by aerodynamical forces and locked.被气动力收回和锁住

C. It is locked and stop in its actual position.它被锁住，停在它的实际位置

A. At aircraft power up.

B. As soon as the engine is shut down.

C. 5 mn after engine shut down.

A. Yes.

B. No.

A. By a diamond shaped symbol rotating on the heading dial.

B. By the difference between heading reference and actual track symbol.

C. A or B, according to information validity.

A. On the ECAM OIL page, or on a sight glass on the oil cooler,or by CFDS interrogation.

B. On the ECAM OIL page, or on a sight glass on the accessor gearbox, or by CFDS interrogation.

C. Only by CFDS interrogation and on the ECAM ENGINE/WARNING page.

A. When ENG 2 PUMP pushbutton is set to OFF.

B. The engine pump cannot be depressurized as long as the engine is running.

C. The engine pump is automatically depressuized if the output pressure drops below 1450 psi.

A. Center tank pump start.

B. Center tank pump stop.

C. Center tank pump stay as they are.

A. Command pressure From the Fuel Metering Valve.

B. HP fuel Shut Off latching solenoid de-energized.

C. Both command pressure from the Fuel Metering Valve and HP fuel Shut Off latching solenoid de-energized.