DC BAT BUS can be supplied by the :

A. They cut off electrical supply after 30 seconds.

B. They supply the system for 3 seconds.

C. They supply the system after 30 seconds.

A. ADIRU 1.

B. ADIRU 1 or 3 according to AIR DATA switch status.

C. Selected ATC transponder.

A. By comparison between the SFCC commands and the Asymmetry PPU signals.

B. By comparison between the SFCC commands and the Feedback PPU signals.

C. By comparison between Asymmetry PPU and the Feedback PPU signals.

A. On a tire and brake indicator.

B. On ECAM.

C. No indication.

A. IGN START selection.

B. Flame out detected.

C. ECU failure.

A. The control handle gearbox.

B. The safety pin

C. The liting mechanism.

A. On the toilet service panel

B. On the Forward Attendant panel

C. On both panels

A. Corresponding tank quantity display flashes.

B. Quantity indication disappears.

C. Quantity indication remains the same.

A. A warning on the oxygen control panel 21 VU.

B. The direct reading pressure gauge on the oxygen cylinder.

C. A yellow indicator.

A. Power from the aircraft electrical network only.

B. Carrying out the high level test.

C. Contact of the panel door position relay.