Where are passenger oxygen masks stored ?

A. DC BUS 1 or batteries.

B. DC BUS 1, DC BUS 2 or batteries.

C. DC BUS 2 or batteries.

A. Side1 and side2 Flight Guidance functions are independent.

B. Side1 and side2 Flight Management functions are independent.

C. One side is inoperative and the remaining FMGC controls both sides.

A. Prevent fuel entering the vent lines.防止燃料进入排气管道

B. Allow fuel to drain from the vent lines.

C. Maintain the fuel tanks pressurized.

A. There is no hazard area.

B. There is a hazard area.

C. There is a hazard area but only if the power is set above idle.

A. To stop the flow in case of leakage.阻止渗漏

B. To shut off the return lines.

C. To separate the Normal form the Alternate Servovalves.

A. To prevent slat asymmetry.

B. To prevent slat loss.

C. To prevent structure overload.

A. To close GLC 1 and supply the fuel pumps from the AC NORMAL BUS.

B. To open GLC 1 and supply the fuel pumps from GEN 1.

C. To close the BTC and supply the fuel pumps from the AC NORMAL BUS.

A. Yes,from the opposite FMGC.

B. Yes,from the opposite FMGC, but after switching.

C. No,the VOR 2 cannot be tuned.

A. Using ADMs which convert pressure into digital format.

B. Directly with total and static pressures .

C. Directly with digital format.

A. The NAVigation mode remains active and the FPA mode engages.

B. The track and FPA mode engage.

C. There is no effect.