The Drager PBE lasts approximately 15 minutes.

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Multiple Choice

The Drager PBE lasts approximately 15 minutes.

Explanation:
The main idea tested is the duration of a Dräger PBE’s breathable-air supply. The Dräger PBE is designed to provide a fixed amount of air for about 15 minutes in an emergency. That nominal duration is the standard spec, which is why the statement “The Drager PBE lasts approximately 15 minutes” is true. The other times listed (10 minutes or 20 minutes) don’t align with the device’s standard specification. So, the best answer reflects that the PBE’s expected duration is around 15 minutes.

The main idea tested is the duration of a Dräger PBE’s breathable-air supply. The Dräger PBE is designed to provide a fixed amount of air for about 15 minutes in an emergency. That nominal duration is the standard spec, which is why the statement “The Drager PBE lasts approximately 15 minutes” is true. The other times listed (10 minutes or 20 minutes) don’t align with the device’s standard specification. So, the best answer reflects that the PBE’s expected duration is around 15 minutes.

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