PADI Open Water Diver Final Exam

PADI Open Water Diver Final Exam As a newly certified PADI Open Water Diver, I will be trained to dive with buddy as deep as 18 metres/60 feet As you descend in water, the pressure increases A depth change of 10 metres/33 feet causes a pressure change of 1 bar/ata (atmosphere) if you take 6 liters of air from the surface to 20 metres/66 feet, the volume will be 2 litres (the density of the air would be three times the density at the surface) A balloon fully inflated and sealed at 10 metres/33 feet, would probably ______ during ascent to the surface burst A squeeze is caused by a pressure imbalance between the surrounding pressure and an air space Equalization is the process of adding air to an air space The most important rule in scuba diving is to breathe continuously and never hold your breath During ascent I feel discomfort in my ears. I should stop, descend slightly, and allow trapped air to work its way out My buddy and I descend to 12 metres/40 feet. I would expect to use my air _____ at 6 metres/20 feet faster than The most efficient way to breathe dense air underwater is to breathe deeply and slowly Buoyancy a force that pushes an object in water upward Salt water causes more buoyancy than fresh water because it is _____ dense and weighs _____ more When I descend, my buoyancy tends to ________. When I ascend, it tends to _______ decrease, increase The three most important considerations in choosing scuba equipment are suitability, fit, and