In terms of minutes, how long is the PBE?

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Multiple Choice

In terms of minutes, how long is the PBE?

Explanation:
The PBE is designed to provide breathable air for about 15 minutes. In a smoke-filled cabin, this brief, self-contained supply lets crew don the equipment, carry out initial safety actions, and evacuate passengers. The standard endurance is 15 minutes, which is why that option is correct. Other durations don’t match the typical specification: 14 minutes is slightly shorter than the standard endurance, while 16 or 18 minutes exceed the designed supply for this equipment.

The PBE is designed to provide breathable air for about 15 minutes. In a smoke-filled cabin, this brief, self-contained supply lets crew don the equipment, carry out initial safety actions, and evacuate passengers. The standard endurance is 15 minutes, which is why that option is correct. Other durations don’t match the typical specification: 14 minutes is slightly shorter than the standard endurance, while 16 or 18 minutes exceed the designed supply for this equipment.

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