SDI Scuba Certification Exam Study
Guide: Questions & Answers
Define SCUBA
(AnsS - self
C - contained
U - underwater
B - breathing
A - apparatus
List 3 important scuba diving changes that occurred in 1950s
(Ans1) published USN dive tables
2) invented the personal dive computer
3) equipment manufacturers made improvements to the design and
workmanship of gear
Name 3 different devices that modern dive computers replace
(Ans1) dive tables
2) J-valves
3) depth gauges
What sets SDI apart from other training agencies?
(Ans- First dive training agency to provide entry level scuba instruction that
incorporates the use of personal dive computers --> more streamlined
scuba course w/ more instruction time in the water
How much larger and closer do objects appear underwater and why?
(Ans- Objects underwater appear 25% larger and 25% closer

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jordancarter 6 months ago

This study guide is clear, well-organized, and covers all the essential topics. The explanations are concise, making complex concepts easier to understand. It could benefit from more practice questions, but overall, it's a great resource for efficient studying. Highly recommend!

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