A、When the VOR is tuned from the MCDU.
B、When the VOR is tuned from the RMP.
C、When a failure occurs.
答案：A
A、When the VOR is tuned from the MCDU.
B、When the VOR is tuned from the RMP.
C、When a failure occurs.
答案：A
A. It is retracted by the biased servo valve.
B. It is retracted by aerodynamical forces and locked.
C. It is locked and stop in its actual position.
A. Yes,from the opposite FMGC.
B. Yes,from the opposite FMGC, but after switching.
C. No,the VOR 2 cannot be tuned.
A. From PTP.
B. From test pushbutton of the CU.
C. Both.
A. They cut off electrical supply after 30 seconds.
B. They supply the system for 3 seconds.
C. They supply the system after 30 seconds.
A. To refer to another MMEL part.
B. A maintenance procedure described in the MMEL.
C. A mechanical problem.
A. By setting the landing gear lever to the "UP" position.
B. By shock absorber extension.
C. By auto brake deactivation.
A. Wing tank outer cell ,
B. Center tank ,
C. Wing tank inner cell .
A. It＇s to avoid lighting.
B. It＇s to discharge static electricity.
C. It＇s to control the electricity charged on the aircraft.
A. In case of cargo door operation with the yellow electric pump or first engine start.
B. Only if an engine failure has been detected.
C. Never, it cannot be inhibited.
A. The girt bar stay attached to the cabin floor.
B. The girt bar slides towards the telescopic fork.
C. The telescopic fork slides towards the girt bar fitting.
