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PADI Open Water Diver Final Exam Questions and Answers ( 2026/2027 Update)
PADI Open Water Diver Final Exam
Questions and Answers
Correct ( 2026/2027 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
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