A、By pressing the transmission key on the ACP.
B、By pressing the CLR pushbutton.
C、By pressing the RESET key on any ACP.
答案：C
A、By pressing the transmission key on the ACP.
B、By pressing the CLR pushbutton.
C、By pressing the RESET key on any ACP.
答案：C
A. On ARINC 429 and ARINC 453 buses
B. On Master DSEL and ARINC 453 buses
C. On ARINC 453 and Digital buses
A. As soonas a directional valve is energized.
B. When the control valve is in full speed position.
C. Always.
A. The Vacuum System Controller
B. The vacuum generator
C. The associated Flush Control Unit BITE
A. APU generator is de-energized.
B. APU generator is disconnected.
C. APU generator is energized.
A. Only on the ECAM STATUS page .
B. In the LAST LEG REPORT, the AVIONICS STATUS and the ECAM STATUS page .航后报告/航空电子设备状态和ECAM状态页
C. Class 2 failures are only displayed in flight.
A. As soon as the aircraft is energized.
B. As soon as the flush switch is pressed in ,and only if the altitude pressure switch is closed.
C. As soon as the altitude pressure switch closes.
A. ATC transponders and TCAS computer directly.
B. ATC transponders directly and TCAS computer through the ATC transponders.
C. TCAS computer directly and ATC transponders through the TCAS computer.
A. In flight with two IDG supply.
B. ON ground with APU supply only.
C. ON ground with EXT PWR only.
A. Permanently.
B. When on batteries only.
C. When one engine generator fails.
A. Can be de-activated by pressing the LOCp/b.
B. Can be de-activated by a GO-AROUND engagement.
C. Can be de-activated if the APPR pushbutton is pressed.
