What is the purpose of the pack?

A. The user breathes filtered cabin air.

B. The user breathes pure oxygen at a permanent positive pressure.

C. The user breathes pure oxygen.

A. To ensure control and monitoring of the avionics ventilation system

B. To control and monitor the cargo ventilation components

C. To control and monitor the packs

A. The Ground Power Control Unit has tripped the external ground cart.

B. The external ground cart is connected to the aircraft network.

C. The external ground cart can be connected to the aircraft network.

A. PTU operation.

B. Cargo door operation.

C. Hand pump operation.

A. The TLA

B. The ground logic

C. The N2

A. - Elevator and THS

B. - Aileron and THS

C. -Rudder and THS

A. No, it is displayed only in flight.

B. Yes, provided the engines are running.

C. No, it is displayed only in flight with slats and flaps extended.

A. When the VOR is tuned from the MCDU.

B. When the VOR is tuned from the RMP.

C. When a failure occurs.

A. The Glide/Slope index disappears.

B. A red "G/S" symbol appears in the middle of the scale.

C. The Glide/Slope index and the scale flash permanently.

A. The system continues to operate automatically

B. The outflow valve can be menully controlled to adjust the cabin altitude

C. The safety valves open