PADI Open Water Exam Study Guide with 100% correct answers

When is an object positively buoyant? correct answersWhen it displaces a volume of water weighing more than its own weight. When is an object negatively buoyant? correct answersWhen it displaces a volume of water weighing less than its own weight. When is an object neutrally buoyant? correct answersWhen 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 answersBCD, Lead weight What does buoyancy help with when you are underwater? correct answersControlling where you are What does buoyancy help with when you are at the surface? correct answersFloatation, conserving energy How does the buoyancy of an object differ in fresh/salt water? correct answersMore buoyant in salt than fresh When you exhale what happens? correct answersLung volume decreases so you have less buoyancy.