What is the minimum period of time that the air supply for a self-contained breathing apparatus required to last?
Official USCG Answer & Rule Citation
Correct Answer: Option C — 30 minutes
SOLAS Chapter II-2 and USCG regulations mandate that self-contained breathing apparatus must have a minimum free air capacity of at least 1,200 liters, or a rated operational duration of at least 30 minutes.
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