PADI Open Water Diver Final Exam with c. c. c. c. c. c. c .
100% Correct Verified Answers 2025 c. c. c. c.
As a newly certified PADI Open Water Diver, I will be trained to dive with buddy as deep
c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c.
as - Correct Answer-18 metres/60 feet
c. c. c. c. c.
As you descend in water, the pressure - Correct Answer-increases
c. c. c. c. c. c. c. c. c.
A depth change of 10 metres/33 feet causes a pressure change
c. c. c. c. c. c. c. c. c. c. of - Correct Answer-1
c. c.
bar/ata (atmosphere)
c. c.
if you take 6 liters of air from the surface to 20 metres/66 feet, the volume will be - Correct
c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c.
Answer-2 litres (the density of the air would be three times the density at the surface)
c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c.
A balloon fully inflated and sealed at 10 metres/33 feet, would probably
c. c. c. c. c. c. c. c. c. c. c. c. during
ascent to the surface - Correct Answer-burst
c. c. c. c. c. c. c.
A squeeze is caused by - Correct Answer-a pressure imbalance between the surrounding
c. c. c. c. c. c. c. c. c. c. c. c.
pressure and an air space
c. c. c. c. c.
Equalization is the process of - Correct Answer-adding air to an air space c. c. c. c. c. c. c. c. c. c. c. c.
Themost important rulein scubadiving
c. c. c. c. c. c. is to - Correct Answer-breathe continuously and
c. c. c. c. c.
never hold your breath
c. c. c. c.
During ascent I feel discomfort in my ears. I should - Correct Answer-stop, descend slightly,
c. c. c. c. c. c. c. c. c. c. c. c. c. c.
and allow trapped air to work its way out
c. c. c. c. c. c. c. c. c.
My buddy and I descend to 12 metres/40 feet. I would expect to use my air
c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. at6 c.
metres/20 feet - Correct Answer-faster than
c. c. c. c. c. c.
The most efficient way to breathe dense air underwater is to breathe - Correct Answer- deeply
c. c. c. c. c. c. c. c. c. c. c. c. c. c. c.
and slowly
c. c.
Buoyancy - Correct Answer-a force that pushes an object in water upward c. c. c. c. c. c. c. c. c. c. c.
Salt water causes more buoyancy than fresh water because it is
c. c. c. c. c. c. c. c. c. c. c. denseand c.
weighs
c. - Correct Answer-more c. c. c.
When I descend, my buoyancy tends to c. c. c. c. c. c. c. . When I ascend, it tends to
c. c. c. c. c. c.
- Correct Answer-decrease, increase
c. c. c.
, The three most important considerations in choosing scuba equipment are suitability, fit,
c. c. c. c. c. c. c. c. c. c. c.
and - Correct Answer-comfort
c. c. c.
The two basic fin styles are
c. c. c. c. c. c. fins - Correct Answer-adjustable and full-foot
c. c. c. c. c.
Myprimary considerations when choosingfins arefitand- Correct Answer-blade size
c. c. c. c. c. c. c. c. c. c. c. c.
BCD (buoyancy control device) - Correct Answer-holds your kit together and allows you to
c. c. c. c. c. c. c. c. c. c. c. c. c.
adjust buoyancy throughout the dive
c. c. c. c. c.
Regulator - Correct Answer-delivers breathing air at the surrounding pressure when you
c. c. c. c. c. c. c. c. c. c. c.
inhale and directs exhaled air into the air
c. c. c. c. c. c. c. c.
Cylinder - Correct Answer-holds the high-pressure breathing air supplied by your regulator
c. c. c. c. c. c. c. c. c. c. c.
during the dive
c. c. c.
Weight System - Correct Answer-holds lead weight to counteract the positive buoyancy of
c. c. c. c. c. c. c. c. c. c. c. c.
your body and some of your equipment, with a mechanism for dropping some or all the
c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c.
weight in an emergency
c. c. c. c.
The five components that make up a BCD include - Correct Answer-an inflatable bladder, a
c. c. c. c. c. c. c. c. c. c. c. c. c. c.
cylinder band and harness/jacket, an LPI (low-pressure inflator) mechanism, an
c. c. c. c. c. c. c. c. c. c.
overpressure/quick exhaust valves, and a weight system
c. c. c. c. c. c. c.
LPI mechanism - Correct Answer-inflates the BCD with air from my scuba cylinder
c. c. c. c. c. c. c. c. c. c. c. c.
Burst disk - Correct Answer-a safety device that relieves accidental overpressure by
c. c. c. c. c. c. c. c. c. c. c.
releasing air before reaching the pressure at which the cylinder would fail
c. c. c. c. c. c. c. c. c. c. c. c.
scuba cylinders require pressure testing
c. c. c. c. c. and visual inspection c. c. c. -
Correct Answer-every 2-5 years, annually c. c. c. c.
The most important feature in my weight system
c. c. c. c. c. c. c. is its - Correct Answer-quick release
c. c. c. c.
Trim means having the right
c. c. c. c. c. of weight - Correct Answer-distribution
c. c. c. c.
Failure to follow the most important rule in scuba diving can cause serious lung
c. c. c. c. c. c. c. c. c. c. c. c. c.
overexpansion injuries, which in turn can cause paralysis and death - Correct Answer- true
c. c. c. c. c. c. c. c. c. c. c. c. c. c.
An object that is neutrally bouyant in fresh water will
c. c. c. c. c. c. c. c. c. c. insaltwater - Correct
c. c. c. c.
Answer-float
c.
Underwaterobjectsappear - Correct Answer-larger and/or closer c. c. c. c. c. c. c.
100% Correct Verified Answers 2025 c. c. c. c.
As a newly certified PADI Open Water Diver, I will be trained to dive with buddy as deep
c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c.
as - Correct Answer-18 metres/60 feet
c. c. c. c. c.
As you descend in water, the pressure - Correct Answer-increases
c. c. c. c. c. c. c. c. c.
A depth change of 10 metres/33 feet causes a pressure change
c. c. c. c. c. c. c. c. c. c. of - Correct Answer-1
c. c.
bar/ata (atmosphere)
c. c.
if you take 6 liters of air from the surface to 20 metres/66 feet, the volume will be - Correct
c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c.
Answer-2 litres (the density of the air would be three times the density at the surface)
c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c.
A balloon fully inflated and sealed at 10 metres/33 feet, would probably
c. c. c. c. c. c. c. c. c. c. c. c. during
ascent to the surface - Correct Answer-burst
c. c. c. c. c. c. c.
A squeeze is caused by - Correct Answer-a pressure imbalance between the surrounding
c. c. c. c. c. c. c. c. c. c. c. c.
pressure and an air space
c. c. c. c. c.
Equalization is the process of - Correct Answer-adding air to an air space c. c. c. c. c. c. c. c. c. c. c. c.
Themost important rulein scubadiving
c. c. c. c. c. c. is to - Correct Answer-breathe continuously and
c. c. c. c. c.
never hold your breath
c. c. c. c.
During ascent I feel discomfort in my ears. I should - Correct Answer-stop, descend slightly,
c. c. c. c. c. c. c. c. c. c. c. c. c. c.
and allow trapped air to work its way out
c. c. c. c. c. c. c. c. c.
My buddy and I descend to 12 metres/40 feet. I would expect to use my air
c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. at6 c.
metres/20 feet - Correct Answer-faster than
c. c. c. c. c. c.
The most efficient way to breathe dense air underwater is to breathe - Correct Answer- deeply
c. c. c. c. c. c. c. c. c. c. c. c. c. c. c.
and slowly
c. c.
Buoyancy - Correct Answer-a force that pushes an object in water upward c. c. c. c. c. c. c. c. c. c. c.
Salt water causes more buoyancy than fresh water because it is
c. c. c. c. c. c. c. c. c. c. c. denseand c.
weighs
c. - Correct Answer-more c. c. c.
When I descend, my buoyancy tends to c. c. c. c. c. c. c. . When I ascend, it tends to
c. c. c. c. c. c.
- Correct Answer-decrease, increase
c. c. c.
, The three most important considerations in choosing scuba equipment are suitability, fit,
c. c. c. c. c. c. c. c. c. c. c.
and - Correct Answer-comfort
c. c. c.
The two basic fin styles are
c. c. c. c. c. c. fins - Correct Answer-adjustable and full-foot
c. c. c. c. c.
Myprimary considerations when choosingfins arefitand- Correct Answer-blade size
c. c. c. c. c. c. c. c. c. c. c. c.
BCD (buoyancy control device) - Correct Answer-holds your kit together and allows you to
c. c. c. c. c. c. c. c. c. c. c. c. c.
adjust buoyancy throughout the dive
c. c. c. c. c.
Regulator - Correct Answer-delivers breathing air at the surrounding pressure when you
c. c. c. c. c. c. c. c. c. c. c.
inhale and directs exhaled air into the air
c. c. c. c. c. c. c. c.
Cylinder - Correct Answer-holds the high-pressure breathing air supplied by your regulator
c. c. c. c. c. c. c. c. c. c. c.
during the dive
c. c. c.
Weight System - Correct Answer-holds lead weight to counteract the positive buoyancy of
c. c. c. c. c. c. c. c. c. c. c. c.
your body and some of your equipment, with a mechanism for dropping some or all the
c. c. c. c. c. c. c. c. c. c. c. c. c. c. c. c.
weight in an emergency
c. c. c. c.
The five components that make up a BCD include - Correct Answer-an inflatable bladder, a
c. c. c. c. c. c. c. c. c. c. c. c. c. c.
cylinder band and harness/jacket, an LPI (low-pressure inflator) mechanism, an
c. c. c. c. c. c. c. c. c. c.
overpressure/quick exhaust valves, and a weight system
c. c. c. c. c. c. c.
LPI mechanism - Correct Answer-inflates the BCD with air from my scuba cylinder
c. c. c. c. c. c. c. c. c. c. c. c.
Burst disk - Correct Answer-a safety device that relieves accidental overpressure by
c. c. c. c. c. c. c. c. c. c. c.
releasing air before reaching the pressure at which the cylinder would fail
c. c. c. c. c. c. c. c. c. c. c. c.
scuba cylinders require pressure testing
c. c. c. c. c. and visual inspection c. c. c. -
Correct Answer-every 2-5 years, annually c. c. c. c.
The most important feature in my weight system
c. c. c. c. c. c. c. is its - Correct Answer-quick release
c. c. c. c.
Trim means having the right
c. c. c. c. c. of weight - Correct Answer-distribution
c. c. c. c.
Failure to follow the most important rule in scuba diving can cause serious lung
c. c. c. c. c. c. c. c. c. c. c. c. c.
overexpansion injuries, which in turn can cause paralysis and death - Correct Answer- true
c. c. c. c. c. c. c. c. c. c. c. c. c. c.
An object that is neutrally bouyant in fresh water will
c. c. c. c. c. c. c. c. c. c. insaltwater - Correct
c. c. c. c.
Answer-float
c.
Underwaterobjectsappear - Correct Answer-larger and/or closer c. c. c. c. c. c. c.
