The cargo doors hydraulic system is pressurized by the :

A. The whole electrical network is still operational.

B. AC BUS 1 is lost.

C. AC BUS 2 is lost.

A. From the cargo compartment only.

B. From the PTP only.

C. From the cargo compartment or from the PTP .

A. Prevent fuel entering the vent lines.

B. Allow fuel to drain from the vent lines.

C. Maintain the fuel tanks pressurized.

A. Fuel crossfeed valve.

B. LP fuel and hydraulic fire shut off valves.

C. HP fuel shut off valve.

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.

A. On the torque shafts.

B. On the actuators.

C. On the PCU output shaft.

A. On a tire and brake indicator.

B. On ECAM.

C. No indication.

A. Greater than 1 minute

B. Greater than 1 minute for the FCU and only 15 seconds for the other computers.

C. Greater than 7 minutes for the FCU and only 15 seconds for the other computers.

A. The guide arms.

B. The support arms.

C. The upper and lower connection links.

A. To enable the received audio signals to be selected.

B. To enable the received audio signals and the frequencies to be selected.

C. To enable the frequencies of all the radio communication systems to be selected.