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