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Combat Dive Closed Circuit Diving Fundamentals Practice Exam

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Which bottle on the SECUMAR vest is used in emergencies?
Correct Answer:
the right bottle
Explanation:
The emergency gas source on a SECUMAR vest is the bottle mounted on the right side. This placement allows quick access with the diver’s right hand and provides a separate, independent regulator so you can breathe from it without disturbing the primary gas supply. In normal use, the left bottle is the main breathing gas; the right bottle is reserved for bailout in an emergency. The other positions aren’t configured for rapid emergency access in standard setups, so the right-hand bottle is the correct choice for emergencies.

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