PADI Open Water Diver Certification Exam Questions And Answers

PADI Open Water Diver Certification Exam Questions And Answers SCUBA - ANS Self contained underwater breathing apparatus What is the pressure change for each 10m/33ft of depth change? - ANS 1 bar/1 ata/1 atmosphere What is the relationship between my depth in water and the pressure? - ANS The deeper you go in water, the more the pressure increases Pressure is expressed as the weight of air What is the relationship between pressure, and the volume and the density of air? - ANS As pressure increases, the gas volume decreases and the gas density increases If I take a volume of air from one depth to another depth, how much will the volume and density change? - ANS Volume will be 1/ata# Density will be ata# What 3 major body air spaces does increasing pressure affect as I descend? - ANS Ears, sinuses, mask What is a "squeeze"? - ANS The discomfort caused by pressure imbalance pulling tissue into the air space