A、To add oxygen to the expired gas.
B、To trap the carbon dioxyde contained in the expired gas.
C、To allow the expired gas to flow out of the hood.
答案:B
A、To add oxygen to the expired gas.
B、To trap the carbon dioxyde contained in the expired gas.
C、To allow the expired gas to flow out of the hood.
答案:B
A. Yes.
B. No.
A. supply oxygen for passengers.
B. fight a fire or against emission of smoke or noxious gases.
C. breathe oxygen.
A. At first engine start + 3 minutes.
B. At touch down.
C. After touch down when the aircraft speed has been below 80 knots for 30 seconds.
A. controller number 1
B. The AIR COND panel
C. The CABIN PRESS panel
A. MAX mode.
B. MED mode.
C. LO mode.
A. The MCDU.
B. The data loader.
C. The GSE.
A. The GCR relay and the GLC stay closed.
B. The GCR relay stays closed and the GLC opens.
C. The GCR relay and the GLC are opened.
A. One Intercell Transfer Valve opens.
B. Two transfer Valve in one wing, open.
C. Two transfer Valve, one in each wing, open.
A. All spoilers.
B. Spoilers 1 to 3.
C. Spoilers 1 to 4.
A. In case of FCA1(2) failure.
B. In case of FAC1(2) pushbutton is pressed in and FAC1(2) is not energized.
C. When the FAC1(2) pushbutton is released out.