The two basic fin styles are _ fins – Correct Answer-adjustable and full-foot The three most important considerations in choosing scuba equipment are suitability, fit,
Salt water causes more buoyancy than fresh water because it is _ dense and weighs – Correct Answer-more The most efficient way to breathe dense air underwater is to breathe – Correct Answerdeeply and slowlyīuoyancy – Correct Answer-a force that pushes an object in water upward Metres/20 feet – Correct Answer-faster than I should – Correct Answer-stop, descend slightly, and allow trapped air to work its way out My buddy and I descend to 12 metres/40 feet. If you take 6 liters of air from the surface to 20 metres/66 feet, the volume will be –Ĭorrect Answer-2 litres (the density of the air would be three times the density at theĪ balloon fully inflated and sealed at 10 metres/33 feet, would probably _ during ascent to the surface – Correct Answer-burst A squeeze is caused by – Correct Answer-a pressure imbalance between the surrounding pressure and an air space Equalization is the process of – Correct Answer-adding air to an air space The most important rule in scuba diving is to – Correct Answer-breathe continuously and never hold your breath During ascent I feel discomfort in my ears. As a newly certified PADI Open Water Diver, I will be trained to dive with buddy as deepĪs you descend in water, the pressure – Correct Answer-increasesĪ depth change of 10 metres/33 feet causes a pressure change of – Correct Answer-1
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