PADI Open Water Exam Study Guide with Complete Solutions 2023/2024

PADI Open Water Exam Study Guide with Complete Solutions 2023/2024 When is an object positively buoyant? - Correct Answer When it displaces a volume of water weighing more than its own weight. When is an object negatively buoyant? - Correct Answer When it displaces a volume of water weighing less than its own weight. When is an object neutrally buoyant? - Correct Answer When it displaces a volume of water weighing the same as its own weight. Why two pieces of equipment do you use to control your buoyancy? - Correct Answer BCD, Lead weight What does buoyancy help with when you are underwater? - Correct Answer Controlling where you are What does buoyancy help with when you are at the surface? - Correct Answer Floatation, conserving energy How does the buoyancy of an object differ in fresh/salt water? - Correct Answer More buoyant in salt than fresh When you exhale what happens? - Correct Answer Lung volume decreases so you have less buoyancy. When you inhale what happens? - Correct Answer Lung volume increases so you have more buoyancy. Why don't you feel air pressure? - Correct Answer Your body is primarily liquid, which is incompressible and distribute pressure equally throughout your whole body. Where are some air spaces located in the body? - Correct Answer Ears, sinuses, lungs