Which depth has the longest single depth limit of 240 minutes?

Study for the Combat Dive Closed Circuit Diving Fundamentals Exam. Prepare with expertly designed flashcards and multiple-choice questions, each offering detailed explanations. Boost your readiness for the exam today!

Multiple Choice

Which depth has the longest single depth limit of 240 minutes?

Explanation:
The key idea here is no-decompression limits: the amount of time you can stay at a single depth without needing to perform decompression stops on ascent. The shallower the depth, the longer the no-decompression limit tends to be, because less nitrogen is absorbed into the tissues at that depth. Among the depths listed, the shallowest is 25 fsw, and at that depth the no-decompression limit is 240 minutes—the longest allowed bottom time without decompression. Deeper depths—30, 35, and 40 fsw—have shorter no-decompression limits, so they do not reach 240 minutes. Therefore, 25 fsw is the correct choice.

The key idea here is no-decompression limits: the amount of time you can stay at a single depth without needing to perform decompression stops on ascent. The shallower the depth, the longer the no-decompression limit tends to be, because less nitrogen is absorbed into the tissues at that depth.

Among the depths listed, the shallowest is 25 fsw, and at that depth the no-decompression limit is 240 minutes—the longest allowed bottom time without decompression. Deeper depths—30, 35, and 40 fsw—have shorter no-decompression limits, so they do not reach 240 minutes. Therefore, 25 fsw is the correct choice.

More Multiple Choice Questions
Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy