Q: Depth 20m/66ft what is the pressure, volume and density

Answer:

bar/ata, 1/3 volume, 3x density

Q: Depth 30m/99ft what is the pressure, volume and density

Answer:

bar/ata, 1/4 volume, 4x density

Q: As I descend, I need to equalize air spaces. Which of the following are accepted ways of equalizing my ears?

Block my nose and attempt to gently blow through it.
Swallow and wiggle the jaw from side to side
Block my nose and blow forcefully for an extended period

Answer:

Block my nose and attempt to gently blow through it + swallow and wiggle the jaw from side to side

Q: I should equalize

early and often, before I feel discomfort
when I begin to feel discomfort
only if I experience pain

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jordancarter 7 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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