Which value correctly states how long passenger oxygen generators provide oxygen?

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Multiple Choice

Which value correctly states how long passenger oxygen generators provide oxygen?

Explanation:
Oxygen duration is about how long the passenger oxygen system can supply air after the masks deploy. The design uses chemical oxygen generators that burn for a short, fixed period. In training materials, that window is specified as roughly five minutes. This brief duration is intentional: it provides enough oxygen for passengers to don their masks and for the crew to manage the initial response during a depressurization, without needing a long, heavy supply in the cabin. The other listed times would imply a much longer, heavier system than what these generators are designed to deliver in a single activation, which is why five minutes is the correct value.

Oxygen duration is about how long the passenger oxygen system can supply air after the masks deploy. The design uses chemical oxygen generators that burn for a short, fixed period. In training materials, that window is specified as roughly five minutes. This brief duration is intentional: it provides enough oxygen for passengers to don their masks and for the crew to manage the initial response during a depressurization, without needing a long, heavy supply in the cabin. The other listed times would imply a much longer, heavier system than what these generators are designed to deliver in a single activation, which is why five minutes is the correct value.

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