sdi scuba training chapter 1 Questions and Answers with complete solution
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Sdi scuba training chapter 1
Institution
Sdi Scuba Training Chapter 1
How much lar When diving from a shore, the best time to dive is when there is the least
amount of tidal current. BLANK tide is when there is no horizontal water movement. -
️️BLANK=slack
ger and closer do objects appear underwater and why? - ️️25%, in order for your
retinas to stay focu...
How much lar When diving from a shore, the best time to dive is when there is the least
amount of tidal current. BLANK tide is when there is no horizontal water movement. -
✔️✔️BLANK=slack
ger and closer do objects appear underwater and why? - ✔️✔️25%, in order for your
retinas to stay focused underwater there needs to be an airspace between your eyes
and the water
What does scuba stand for? - ✔️✔️self contained underwater breathing apparatus
Name 3 different devices that modern dive computers replace. - ✔️✔️dive tables,
gauges, audible and/or visual alarms
How much faster does sound move through water than air and why? - ✔️✔️4 times
faster. water is about 800 times denser than air.
What is the first color to be absorbed in water? - ✔️✔️red
If you are caught in a rip current, first swim BLANK to the current to get out of it before
swimming towards shore. - ✔️✔️BLANK=parallel
Waves are usually caused by BLANK. - ✔️✔️BLANK=wind
Anticipate surge action to avoid contact with stationary objects.
TRUE or FALSE? - ✔️✔️TRUE
What types of marine life cause most diving injuries? - ✔️✔️fire coral, jellyfish, fish on
the sea floor.
List 3 different reasons that it is advisable to check with your local dive center before
conducting a dive in an area you are unfamiliar with? - ✔️✔️knowing the rule policy,
expectation of what you will encounter, and what first aid to bring
What sets scuba diving international apart from other training agencies? - ✔️✔️sdi
understands the need for enhanced diving equipment
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