SDI Chapter One: The Underwater Enviroment Questions and Answers | Latest Update 2024/2025
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Course
SDI
Institution
SDI
What does "SCUBA" stand for in scuba diving?
~~> It stands for self-contained underwater breathing apparatus.
List the three most important scuba diving changes that occurred in the
1950s.
~~> The three most important changes were dive tables, personal dive
computers (PDC), and enhan...
SDI Chapter One: The Underwater
Enviroment Questions and Answers |
Latest Update 2024/2025
What does "SCUBA" stand for in scuba diving?
✓ ~~> It stands for self-contained underwater breathing apparatus.
List the three most important scuba diving changes that occurred in the
1950s.
✓ ~~> The three most important changes were dive tables, personal dive
computers (PDC), and enhanced diving equipment.
Name three different devices that modern dive computers replace.
✓ ~~> Modern dive computers replace the need for dive tables, gauges,
and different alarms (audible and/or visual).
What sets Scuba Diving International apart from other training agencies?
✓ ~~> SDI was the first diving agency to provide entry-level instruction
and incorporates the use of dive computers.
How much larger and closer do objects appear underwater and why?
Master01 | September, 2024/2025 | Latest update
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