A、When the EMER EXIT LT selector is in the ON position.
B、When the EMER LIGHT pushbutton on the FAP is pressed and the 28 VDC ESS BUS is lost.
C、When the main lighting system has failed.
答案：B
A、When the EMER EXIT LT selector is in the ON position.
B、When the EMER LIGHT pushbutton on the FAP is pressed and the 28 VDC ESS BUS is lost.
C、When the main lighting system has failed.
答案：B
A. By system 1 to Capt PFD and F/O PFD
B. By system 2 to CAPT PFD and F/O PFD
C. By system 1 to CAPT PFD and by system 2 to F/O PFD
A. Fire panel.
B. External power control panel.
C. APU control panel.
A. The MCDUs and rudder trim control panel
B. The FCU and rudder trim control panel
C. The FCU and MCDUs
A. - Elevator and THS
B. - Aileron and THS
C. -Rudder and THS
A. Vc parameters from the ADIRS.
B. The slats extended signal from the SFCC.
C. Vc parameters and slats position.
A. Engine running.
B. Engine running above 60% of N1.
C. Engine running above minimum idle.
A. LP Fuel SOV.
B. Hydraulic Fire SOV.
C. Fuel Isolation Valve.
A. At first engine start + 3 minutes.
B. At touch down.
C. After touch down when the aircraft speed has been below 80 knots for 30 seconds.
A. The pressurizing valve.
B. The directional valve.
C. The deploy switch.
A. VOR/MKR receiver 2.
B. VOR/MKR receiver 1.
C. VOR/MKR receivers 1 and 2.
