Questions and Answers
What does a good diving buddy do?
Makes diving more fun, is familiar with their buddy's diving equipment, and is able to help in all phases of diving and dive planning.
What does a dive computer help a diver to keep track of?
Nitrogen absorption levels.
What should you do if you lose contact with your buddy?
Search for no more than a minute by turning 360 degrees and looking up and down, then perform a normal ascent to the surface.
What should dive buddy teams do when entering the water through the surf?
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What is the most important reason for planning your dives?
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What steps should be taken when selecting a dive site?
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You should perform a safety stop at 15 ft for 3-5 mins on every dive.
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How is the No-decompression Limit defined?
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What is the surface interval in diving?
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How are rip currents formed?
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Why is the use of the SSI Total Dive Log important?
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What is residual nitrogen?
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How do you use a compass to navigate to a sighted object?
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Is it okay to share a computer with your dive buddy?
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What is the recommended maximum ascent rate?
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Why are dive computers essential for planning and executing dives?
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Study Notes
Diving Safety and Buddy System
- A good diving buddy enhances the experience, is familiar with each other's gear, and assists in all aspects of diving.
- Maintaining physical contact and timing entry during surf is crucial for buddy teams.
Dive Planning
- Planning dives prevents accidents; it's essential to execute dives according to plan.
- When selecting a dive site, consider the purpose, difficulty, personal skills, and those of your buddy.
Dive Equipment and Techniques
- A dive computer tracks nitrogen absorption, helping divers stay within no-decompression limits.
- Use a compass for navigation by aligning it with the target object and adjusting as needed.
- Sharing a dive computer with a buddy is not permitted.
Safety Procedures
- In case of losing contact with a buddy, search for one minute, looking around before ascending normally.
- Perform a safety stop at 15 feet for 3-5 minutes on every dive to enhance safety.
Diving Physiology
- The No-decompression Limit is the maximum time allowed at a depth without needing a mandatory stop during ascent.
- Surface interval refers to the time spent out of the water between diving sessions.
- Residual nitrogen is the excess nitrogen remaining in the bloodstream and tissues post-dive, which affects subsequent dives.
Environmental Awareness
- Rip currents are created when water retreats through channels in sandbars and reefs after breaking waves.
Documentation
- The SSI Total Dive Log is vital for recording medical history, emergency info, and personal dive records, serving as a resource for future dives.
Ascent Guidelines
- The recommended maximum ascent rate to ensure safety is 30 feet per minute.
- Dive computers are crucial tools for logging information, monitoring dives, and assisting in safe ascent/descent practices.
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Description
Test your knowledge with these flashcards from Chapter 4 of the SSI Open Water Diver course. Each card covers essential diving concepts, including buddy dynamics and dive computer functions. Perfect for reinforcing your understanding of safe diving practices.