A、It monitors the radio frequency selection.
B、It integrates all the crew communication functions.
C、It monitors the NAV frequency selection.
答案:B
A、It monitors the radio frequency selection.
B、It integrates all the crew communication functions.
C、It monitors the NAV frequency selection.
答案:B
A. IDG de-energized.
B. IDG disconnected.
C. IDG energized.
A. FMGCs
B. FACs
C. ELACs
A. Yes,from the opposite FMGC.
B. Yes,from the opposite FMGC, but after switching.
C. No,the VOR 2 cannot be tuned.
A. By setting the landing gear lever to the "UP" position.
B. By shock absorber extension.
C. By auto brake deactivation.
A. Autopilot, Flight Director, autothrust.
B. Autopilot modes.
C. Guidance along a flight plan.
A. Yaw damping signals.
B. Rudder trim signals.
C. Turn coordination signals.
A. AC ESS Bus is supplied by the EMERG GEN.
B. AC ESS Bus is supplied by AC Bus 1.
C. AC ESS Bus is supplied by AC Bus 2.
A. The LAVATORIES are illuminated at FULL BRIGHTNESS, when the associated LAVATORY DOOR(s) is (are) locked.
B. The LAVATORIES are illuminated at 50% brightness, when the associated LAVATORY DOOR is open or closed.
C. A and B are correct.
A. Manually opened and secured by a hold open rod.
B. Hydraulically opened and secured by a hold open rod.
C. Electrically opened by a motor and secured by a hold open rod.
A. To relieve hydraulic pressure to the return manifold.
B. To relieve excessive air pressure to the atmosphere.
C. To provide overpressure to the ECAM.