PADI Open Water 134 Exam Study Guide Questions And Answers

When is an object positively buoyant? - ️️When it displaces a volume of water weighing more than its own weight. When is an object negatively buoyant? - ️️When it displaces a volume of water weighing less than its own weight. When is an object neutrally buoyant? - ️️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? - ️️BCD, Lead weight What does buoyancy help with when you are underwater? - ️️Controlling where you are What does buoyancy help with when you are at the surface? - ️️Floatation, conserving energy How does the buoyancy of an object differ in fresh/salt water? - ️️More buoyant in salt than fresh When you exhale what happens? - ️️Lung volume decreases so you have less buoyancy. When you inhale what happens? - ️️Lung volume increases so you have more buoyancy. Why don't you feel air pressure? - ️️Your body is primarily liquid, which is incompressible and distribute pressure equally throughout your whole body.