What happens when the RAM AIR pushbutton is set to ON?

A. Switch over to0 the other channel.

B. Control goes to a fail-safe position.

C. The channel in control supplies the winding of the other channel.

A. In flight automatically.

B. In flight above 200kt automatically.

C. On ground manually.

A. The Fuel Return Valve colses,

B. The Fuel Return Valve opens,

C. The center tank pumps start.

A. GCU.

B. BCL.

C. Static inverter.

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. Recording of the mandatory flight data requested by the airworthiness authority.

B. Trouble shooting of avionics computers only.

C. Engine condition, APU condition and aircraft performance monitoring.

A. At any time from the front face of the GCU.

B. At any time from the corresponding GEN pushbutton.

C. Two reset actions maximum from the corresponding GEN button.

A. The two FMGCs only.

B. The CFDIU,FDIU and the two FMGCs.

C. The lower ECAM display.

A. The muting circuit always mutes the audio output.

B. The muting circuit is operative only with the hand microphone selection.

C. The muting circuit is operative when any microphone.

A. Automatically when the engine is shut down.

B. Automatically as soon as an engine fire is detected.

C. If the ENG FIRE pushbutton is released out.