A、With avionics bay ambient air
B、With air coming directly from the pack outlet
C、With cabin ambient air
答案：C
A、With avionics bay ambient air
B、With air coming directly from the pack outlet
C、With cabin ambient air
答案：C
A. Pressing the INT transmission key and with the INT/RAD selector switch to neutral position.
B. Either setting the INT/RAD selector to INT,or pressing the INT transmission key and setting the INT/RAD selector switch to RAD.
C. Pressing any radio transmission key and INT transmission key together.
A. RMP 1.
B. RMP 1 and RMP 2.
C. RMP 1,RMP 2 and RMP 3.
A. To ease the draining operation.
B. To warm up the water.
C. To allow water distribution.
A. The outflow valve,emergency ram air inlet ,avionics ventilation and pack flow control valve close
B. Only the outflow valve close
C. Only the outflow valve is not automatically controlled to close
A. The AFT galley has been shed.
B. ALL the galleys have been shed.
C. An overload on any generator (APU or IDG).
A. VOR/MKR receiver 2.
B. VOR/MKR receiver 1.
C. VOR/MKR receivers 1 and 2.
A. One
B. Two
C. Three.
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. The TLA
B. The ground logic
C. The N2
A. SDAC
B. FWC
C. DMC
