A、The valve closes as it is spring loaded closed.
B、The valve opens as it is spring loaded open.
C、Stays as it is.
答案：A
A、The valve closes as it is spring loaded closed.
B、The valve opens as it is spring loaded open.
C、Stays as it is.
答案：A
A. Set AIR DATA switch to F/03 position.
B. Set ATT HDG switch to F/03 position.
C. Leave ATT HDG switch in NORM position.
A. 3 monitor stations.
B. 5 monitor stations.
C. 4 monitor stations and one master control station.
A. By the FDU.
B. By the ECAM.
C. By the red disc indicator.
A. By a diamond shaped symbol rotating on the heading dial.
B. By the difference between heading reference and actual track symbol.
C. A or B, according to information validity.
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. By depressurizing the hydraulic system and using the maintenance unlocking device.通过对液压系统释压并使用维护解锁装置
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.
A. On the front of each DEU.
B. On each DEU mount.
C. Only on the last DEU mount of each line.
A. The exciter field is no longer supplied and the GCR trips.
B. The exciter field is still supplied and the GCR stays closed.
C. The exciter field is increased and the GCR trips
A. AC Bus 2.
B. Emerg. Generator.
C. AC Bus 1.
A. Ailerons and spoilers 2,3,4,5 ?
B. Ailerons and spoilers 2,3,4?
C. Spoilers 2,3,4 only?
