PADI Open Water Diver Final Exam |Questions and Verified Answers | 100% Correct| Grade A (Latest 2023/ 2024 Update)

PADI Open Water Diver Final Exam |Questions and Verified Answers | 100% Correct| Grade A (Latest 2023/ 2024 Update) Q: The most efficient way to breathe dense air underwater is to breathe Answer: deeply and slowly Q: Buoyancy Answer: a force that pushes an object in water upward Q: Salt water causes more buoyancy than fresh water because it is _____ dense and weighs _____ Answer: more Q: When I descend, my buoyancy tends to ________. When I ascend, it tends to _______ Answer: decrease, increase Q: The three most important considerations in choosing scuba equipment are suitability, fit, and Answer: comfort Q: The two basic fin styles are __________ fins Answer: adjustable and full-foot Q: My primary considerations when choosing fins are fit and Answer: blade size Q: BCD (buoyancy control device) Answer: holds your kit together and allows you to adjust buoyancy throughout the dive Q: Regulator Answer: delivers breathing air at the surrounding pressure when you inhale and directs exhaled air into the air Q: Cylinder Answer: holds the high-pressure breathing air supplied by your regulator during the dive Q: Weight System Answer: holds lead weight to counteract the positive buoyancy of your body and some of your equipment, with a mechanism for dropping some or all the weight in an emergency Q: The five components that make up a BCD include Answer: an inflatable bladder, a cylinder band and harness/jacket, an LPI (low-pressure inflator) mechanism, an overpressure/quick exhaust valves, and a weight system Q: LPI mechanism Answer: inflates the BCD with air from my scuba cylinder Q: Burst disk Answer: a safety device that relieves accidental overpressure by releasing air before reaching the pressure at which the cylinder would fail Q: scuba cylinders require pressure testing _______ and visual inspection _________ Answer: every 2-5 years, annually