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Questions and Answers
During a cabin decompression, when will the oxygen masks located above the bunks and seats automatically deploy?
During a cabin decompression, when will the oxygen masks located above the bunks and seats automatically deploy?
- When the cabin altitude is at any level
- When the cabin altitude is exactly 13,500 feet
- When the cabin altitude is above 13,500 feet (correct)
- When the cabin altitude is below 13,500 feet
When can you start receiving oxygen flow from the masks during a cabin decompression?
When can you start receiving oxygen flow from the masks during a cabin decompression?
- When the yellow streamer attached to the mask is pulled (correct)
- When the cabin altitude is above 13,500 feet
- When the masks are pulled
- When the cabin altitude is below 13,500 feet
What triggers the automatic deployment of the oxygen masks during a cabin decompression?
What triggers the automatic deployment of the oxygen masks during a cabin decompression?
- The cabin temperature
- The cabin altitude (correct)
- The cabin pressure
- The cabin humidity
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Study Notes
Oxygen Mask Deployment in Cabin Decompression
- Oxygen masks above bunks and seats automatically deploy when cabin pressure drops below a certain threshold.
- The deployment is designed to activate instantly, ensuring passenger safety during emergencies.
Oxygen Flow Activation
- Oxygen flow from the masks begins immediately after the masks are pulled down.
- Passengers are advised to secure the mask over their nose and mouth before aiding others to ensure personal oxygen supply during the decompression.
Triggers for Deployment
- The automatic deployment is triggered by a sudden loss of cabin pressure, which can be caused by structural damage or system failure.
- An electronic sensing system monitors cabin pressure, ensuring prompt activation of the oxygen supply in crisis situations.
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