A、By depressurizing the hydraulic system and using the maintenance unlocking device.
B、By pressing the SEC p/b on the flight control panel.
C、By using the maintenance unlocking device with the actuator pressurized and SEC p/b operated.
答案：A
A、By depressurizing the hydraulic system and using the maintenance unlocking device.
B、By pressing the SEC p/b on the flight control panel.
C、By using the maintenance unlocking device with the actuator pressurized and SEC p/b operated.
答案：A
A. controller number 1
B. The AIR COND panel
C. The CABIN PRESS panel
A. Reception of a ground message.
B. Reception of a voice communication demand with the ground.
C. Loss of communication with the ground.
A. When the parking brake is applied.
B. During 5 minutes after the second engine is shut down.
C. When CVR TEST pushbutton is pressed.
A. In cruise.
B. In LAND mode.
C. In TO, GA or RWY modes.
A. The flow control valve
B. The bypass valve
C. The anti-ice valve
A. Yes.
B. No.
A. When "DOWN" is selected.
B. When "UP" is selected.
C. When the first engine starts.
A. In ROSE-VOR mode.
B. In ROSE-NAV mode.
C. In any mode.
A. Using ADMs which convert pressure into digital format.
B. Directly with total and static pressures .
C. Directly with digital format.
A. In the cutouts of the ceiling panels.
B. In the fixed partition walls.
C. In the cutouts of the ceiling panels and lateral right sidewall linings.
