A、HOT AIR pushbutton is set to OFF
B、PACK2 pushbutton is set to OFF
C、PACK1 pushbutton is set to OFF
答案：C
A、HOT AIR pushbutton is set to OFF
B、PACK2 pushbutton is set to OFF
C、PACK1 pushbutton is set to OFF
答案：C
A. Yes.
B. No.
A. In any mode.
B. In MAP mode.
C. In WX/TURB mode only.
A. All systems.
B. AUTO call out, low speed warning and TCAS.
C. Stall and windshear.
A. To the ELACs and SECs.
B. Only to the FCDCs.
C. To the ELACs.
A. At the rear part of the pylon.
B. At the bottom of the engine.
C. Both at the rear part of the pylon and at the bottom of the engine.
A. By releaseing out the ENG FIRE P/B.
B. By removing electrical power form A/C.
C. The valve is already closed.
A. To reduce the air flow to the compressor stage
B. To modulate the pack discharge temperature
C. To increase the air flow to the turbine stage
A. Autopilot, Flight Director, autothrust.
B. Autopilot modes.
C. Guidance along a flight plan.
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. Heat shield drain.
B. Flow divider drain.
C. Turbine plenum drain.
