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SDI (Scuba Diving International) Part 2 Questions and Answers | Latest Update 2024/2025 $9.99   Add to cart

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SDI (Scuba Diving International) Part 2 Questions and Answers | Latest Update 2024/2025

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What is the absolute pressure (in atmospheres/bars, ATM) at 20 meters(66 feet) ~~> 2 ATM What will be the volume in a ball that is filled with two cubic feet of air at 99 feet when it's taken to the surface? ~~> 8 cubic feet How many more times dense is the air in a balloon at 4 ATM...

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SDI (Scuba Diving International) Part 2
Questions and Answers | Latest
Update 2024/2025
What is the absolute pressure (in atmospheres/bars, ATM) at 20 meters(66

feet)

✓ ~~> 2 ATM



What will be the volume in a ball that is filled with two cubic feet of air at 99

feet when it's taken to the surface?

✓ ~~> 8 cubic feet



How many more times dense is the air in a balloon at 4 ATM/bar compared

to the air density at the surface?

✓ ~~> 4x (4 times)



If a scuba cylinder lasts 2 hours at sea level, how long will it last at 20 meters

(66 feet)?

✓ ~~> 40 minutes



How often should a scuba diver equalize during a descent?

✓ ~~> at the surface and every couple of feet as you descend.




Master01 | September, 2024/2025 | Latest update

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