A、The failed WHC connects to the other.
B、Both systems are lost.
C、The heating of the related side is lost.
答案：C
A、The failed WHC connects to the other.
B、Both systems are lost.
C、The heating of the related side is lost.
答案：C
A. By setting the leak measurement valve to OFF and operating the electric pump
B. By pressurizing the yellow system by using the PTU.
C. By setting the leak measurement valve to OFF, and manually open the LH wing spool valve.
A. 3 monitor stations.
B. 5 monitor stations.
C. 4 monitor stations and one master control station.
A. The lavatory smoke detection is inoperative.
B. The cargo smoke detection is inoperative.
C. Both A and B with Single Chime + MASTER CAUTION + ECAM Message
A. As soon as the APU operates under air load.
B. As soon as ignition begins.
C. As soon as MASTER SW pushbutton is set to "NO".
A. Three.
B. Two.
C. One.
A. The communication systems are inoperative.
B. VHF2 and VHF3 frequencies cannot be controlled.
C. All communication frequencies can be controlled.
A. In closed position.
B. In open fail safe position.
C. Either in closed or open position, depending on the last operating conditions.
A. The ailerons and the spoilers.
B. The ailerons and the spoilers.
C. The spoiler and the rudder.
A. In flight or on ground.
B. Only on ground, except for the FCU safety text which can be performed in flight or on ground.
C. Only on ground, except for FMGC safety text which can be performed only in flight.
A. The MCDUs and rudder trim control panel
B. The FCU and rudder trim control panel
C. The FCU and MCDUs
