How do you activate the oxygen when the masks deploy in the lavatory?

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Prepare for the United Airlines B737-700 Test with detailed questions and insightful explanations. Enhance your knowledge of aircraft systems and airline standards to succeed in your exam!

Multiple Choice

How do you activate the oxygen when the masks deploy in the lavatory?

Explanation:
Oxygen is activated simply by pulling the lavatory mask out of its housing. When you pull the mask, it releases and starts a chemical oxygen generator inside the mask, delivering oxygen so you can breathe immediately. There isn’t a hidden ceiling button, and twisting the housing or pulling a pin isn’t how activation works. This design ensures quick, straightforward oxygen delivery—just grab the mask, pull it down, place it over your face, and breathe normally.

Oxygen is activated simply by pulling the lavatory mask out of its housing. When you pull the mask, it releases and starts a chemical oxygen generator inside the mask, delivering oxygen so you can breathe immediately. There isn’t a hidden ceiling button, and twisting the housing or pulling a pin isn’t how activation works. This design ensures quick, straightforward oxygen delivery—just grab the mask, pull it down, place it over your face, and breathe normally.

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