How many potable water service and drain panels are fitted to the aircraft ?

A. Directly from the master lever.

B. From the MASTER lever via the ECU.

C. From tne master lever via the EIU and the ECU.

A. Battery or Hot Bat Bus.

B. DC Bat Bus.

C. DC Bus 1 or 2.

A. All spoilers.

B. Spoilers 1 to 3.

C. Spoilers 1 to 4.

A. It monitors the radio frequency selection.

B. It integrates all the crew communication functions.

C. It monitors the NAV frequency selection.

A. ADV in dual display mode only.

B. Nothing in single display mode.

C. ADV in ECAM MONO display mode only.

A. To interconnect the two chambers of the steering actuator.

B. To apply hydraulic pressure to the servovalve.

C. To bypass the servovalve in case of BSCU failure.

A. Three.

B. Two.

C. One.

A. A DAR is installed.

B. The DMU is equipped with a PCMCIA interface.

C. Both.

A. TLA position + Aircraft on ground.

B. TLA position + Aircraft on ground
+ Reverse indication green.

C. TLA position + Aircraft on ground
+ N2 (engine running).

A. Switch over to the other channel.

B. Control goes to a fail-safe position.

C. The channel in control uses values from the other channel.