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.
答案：B
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.
答案：B
A. Direct fuel pressure signal
B. Direct electrical signal
C. Electrical signal sent through the ECU.
A. To regulate hot air pressure
B. To adjust the temperature in the three zones
C. To regulate basic temperature
A. By releaseing out the ENG FIRE P/B.
B. By removing electrical power form A/C.
C. The valve is already closed.
A. A re-centering and active mode.
B. A re-centering and damping mode.
C. An active and damping mode.
A. When there is no command signal to the servo-valve.
B. Only when the solenoid valve is de-energized.
C. When the solenoid valve is de-energized or the actuator is not pressurized.
A. All.
B. Only ATC mode S equipped A/C.
C. ATC equipped A/C.
A. The communication systems are inoperative.
B. VHF2 and VHF3 frequencies cannot be controlled.
C. All communication frequencies can be controlled.
A. Compressor, combustion chamber, turbine.
B. Power section,load compressor, Fuel Control Unit.
C. Power section,load compressor, drive accessory gear box.
A. On the toilet service panel
B. On the Forward Attendant panel
C. On both panels
A. The whole electrical network is still operational.
B. AC BUS 1 is lost.
C. AC BUS 2 is lost.
