235 - ATPL - A pressurized aeroplane is operated at FL 300. It undergoes a rapid decompression so that the pressure in the cabin goes quickly down to the outside pressure value. What happens concerning the oxygen system?

Question 235 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

The oxygen masks are automatically presented to flight crew members.

The oxygen masks are automatically presented to cabin crew members and passengers.

Manual override of the automatic presentation of passenger oxygen masks is, generally speaking, not possible.

If the automatic mask presentation has been activated, the oxygen will flow within the first 3 minutes.