PADI Open Water Diver 2021 Exam
Qestions and Answers
As a newly certified PADI Open Water Diver, I will be trained to dive with buddy as deep
as - correct answer-18 meters/60 feet
Certain medical conditions can be hazardous while diving, so it is important to answer
all questions on the Medical Statement honestly and completely - correct answer-True
PADI courses are performance-based. This means that to be certified, I must - correct
answer-meet specific performance requirements
Failure to complete independent study can create significant delays, and my instructor
may have to cancel and reschedule sessions until I complete the assignment - correct
answer-True
When diving in a new environment, two benefits of seeking an orientation, supervision,
and/or additional training are that it helps me avoid problems and that it helps me enjoy
the dive more - correct answer-True
As you descend in water the pressure - correct answer-increases
A depth change of 10 meters/33 feet causes a pressure change of - correct answer-1
bar/ata
if you take 6 liters of air from the surface to 20 meters/66 feet, the volume will be -
correct answer-2 liters
The density of the air in the previous question ("if you take 6 liters of air from the surface
to 20 meters/66 feet, the volume will be...") would be ______ the density at the surface -
correct answer-three times
A balloon fully inflated and sealed at 10 meters/33 feet, would probably __________
during ascent to the surface - correct answer-burst
As I descend, increasing pressure affects my - correct answer-mask, ears, sinuses
A squeeze is caused by - correct answer-a pressure imbalance between the
surrounding pressure and an air space
Equalization is the process of - correct answer-adding air to an air space
,I should equalize - correct answer-early and often, before I feel discomfort
I'm descending and discover I can't equalize. The first thing I would do is - correct
answer-stop my descent and signal my buddy/the instructor
I equalize gently because an extended, forceful equalization can cause permanent
damage to my ears and hearing - correct answer-True
On a day I plan to go diving, I wake up with my sinuses blocked due to a cold or allergy.
I should - correct answer-cancel the dive until I'm well
When scuba diving, normal breathing keeps your lungs equalized to the surrounding
pressure - correct answer-True
The most important rule in scuba diving is to - correct answer-breathe continuously and
never hold your breath
Failure to follow the most important rule in scuba diving can cause severe lung
overexpansion injuries, which can result in paralysis or death - correct answer-True
During ascent I feel discomfort in my ears. I should - correct answer-stop, descend
slightly and allow trapped air to work its way out
My buddy and I descend to 12 metres/40 feet. I would expect to use my air _______ at
6 metres/20 feet - correct answer-faster than
The most efficient way to breathe dense air or underwater is to breathe - correct
answer-deeply and slowly
My body responds to anxiety with increased breathing but slow breathing helps to
reduce anxiety - correct answer-True
Which of the following are among the breathing rules I follow as a diver? - correct
answer-Breathe continuously and never, ever hold my breath; breathe slowly and
deeply; do not allow myself to get winded or out-of-breath; if faced with a problem, stop,
then maintain or restore slow, deep breathing
Buoyancy is a force that pushes an object in water upward - correct answer-True
My sunglasses case falls out of my pocket into the water, but fortunately, it floats so I
retrieve it. I would say my sunglasses case is ______ buoyant - correct answer-
positively
Saltwater causes more buoyancy than freshwater because it is less dense and weighs
less - correct answer-False
, To control my buoyancy, normally I will use my weight system and my - correct answer-
BCD
When I descend, my buoyancy tends to ________. When I ascend, it tends to _______
- correct answer-decrease; increase
Underwater, when I inhale, my buoyancy - correct answer-increases slightly
It is important to master buoyancy control because it affects almost everything I do in
and underwater - correct answer-True
In recreational diving, the buddy system means diving with another diver or divers in a
team that provides assistance and safety benefits - correct answer-True
Overall benefits of the buddy system include - correct answer-practicality, safety and fun
The three most important considerations in choosing scuba equipment are suitability, fit
and - correct answer-comfort
Getting the service my gear needs may be a consideration when choosing equipment -
correct answer-True
Before each use I should ________ my equipment - correct answer-inspect
I need a mask because - correct answer-my eyes must be in air to focus
My mask encloses my nose so I can - correct answer-equalize the mask
From among masks that fit me I should choose a mask that fits as far away from my
face as possible - correct answer-False.
I want to adjust my mask so the strap rests - correct answer-above my ears, over the
crown of my head
Snorkels are standard equipment for scuba diving because they allow me to breathe
with my face in the water or in rough conditions without wasting my scuba air especially
when I have little scuba air remaining - correct answer-True
Some scuba divers prefer a snorkel with a flexible lower portion so it drops out of the
way when not in use - correct answer-True
When my snorkel is in my mouth the tip should be - correct answer-over the crown of
my head
Qestions and Answers
As a newly certified PADI Open Water Diver, I will be trained to dive with buddy as deep
as - correct answer-18 meters/60 feet
Certain medical conditions can be hazardous while diving, so it is important to answer
all questions on the Medical Statement honestly and completely - correct answer-True
PADI courses are performance-based. This means that to be certified, I must - correct
answer-meet specific performance requirements
Failure to complete independent study can create significant delays, and my instructor
may have to cancel and reschedule sessions until I complete the assignment - correct
answer-True
When diving in a new environment, two benefits of seeking an orientation, supervision,
and/or additional training are that it helps me avoid problems and that it helps me enjoy
the dive more - correct answer-True
As you descend in water the pressure - correct answer-increases
A depth change of 10 meters/33 feet causes a pressure change of - correct answer-1
bar/ata
if you take 6 liters of air from the surface to 20 meters/66 feet, the volume will be -
correct answer-2 liters
The density of the air in the previous question ("if you take 6 liters of air from the surface
to 20 meters/66 feet, the volume will be...") would be ______ the density at the surface -
correct answer-three times
A balloon fully inflated and sealed at 10 meters/33 feet, would probably __________
during ascent to the surface - correct answer-burst
As I descend, increasing pressure affects my - correct answer-mask, ears, sinuses
A squeeze is caused by - correct answer-a pressure imbalance between the
surrounding pressure and an air space
Equalization is the process of - correct answer-adding air to an air space
,I should equalize - correct answer-early and often, before I feel discomfort
I'm descending and discover I can't equalize. The first thing I would do is - correct
answer-stop my descent and signal my buddy/the instructor
I equalize gently because an extended, forceful equalization can cause permanent
damage to my ears and hearing - correct answer-True
On a day I plan to go diving, I wake up with my sinuses blocked due to a cold or allergy.
I should - correct answer-cancel the dive until I'm well
When scuba diving, normal breathing keeps your lungs equalized to the surrounding
pressure - correct answer-True
The most important rule in scuba diving is to - correct answer-breathe continuously and
never hold your breath
Failure to follow the most important rule in scuba diving can cause severe lung
overexpansion injuries, which can result in paralysis or death - correct answer-True
During ascent I feel discomfort in my ears. I should - correct answer-stop, descend
slightly and allow trapped air to work its way out
My buddy and I descend to 12 metres/40 feet. I would expect to use my air _______ at
6 metres/20 feet - correct answer-faster than
The most efficient way to breathe dense air or underwater is to breathe - correct
answer-deeply and slowly
My body responds to anxiety with increased breathing but slow breathing helps to
reduce anxiety - correct answer-True
Which of the following are among the breathing rules I follow as a diver? - correct
answer-Breathe continuously and never, ever hold my breath; breathe slowly and
deeply; do not allow myself to get winded or out-of-breath; if faced with a problem, stop,
then maintain or restore slow, deep breathing
Buoyancy is a force that pushes an object in water upward - correct answer-True
My sunglasses case falls out of my pocket into the water, but fortunately, it floats so I
retrieve it. I would say my sunglasses case is ______ buoyant - correct answer-
positively
Saltwater causes more buoyancy than freshwater because it is less dense and weighs
less - correct answer-False
, To control my buoyancy, normally I will use my weight system and my - correct answer-
BCD
When I descend, my buoyancy tends to ________. When I ascend, it tends to _______
- correct answer-decrease; increase
Underwater, when I inhale, my buoyancy - correct answer-increases slightly
It is important to master buoyancy control because it affects almost everything I do in
and underwater - correct answer-True
In recreational diving, the buddy system means diving with another diver or divers in a
team that provides assistance and safety benefits - correct answer-True
Overall benefits of the buddy system include - correct answer-practicality, safety and fun
The three most important considerations in choosing scuba equipment are suitability, fit
and - correct answer-comfort
Getting the service my gear needs may be a consideration when choosing equipment -
correct answer-True
Before each use I should ________ my equipment - correct answer-inspect
I need a mask because - correct answer-my eyes must be in air to focus
My mask encloses my nose so I can - correct answer-equalize the mask
From among masks that fit me I should choose a mask that fits as far away from my
face as possible - correct answer-False.
I want to adjust my mask so the strap rests - correct answer-above my ears, over the
crown of my head
Snorkels are standard equipment for scuba diving because they allow me to breathe
with my face in the water or in rough conditions without wasting my scuba air especially
when I have little scuba air remaining - correct answer-True
Some scuba divers prefer a snorkel with a flexible lower portion so it drops out of the
way when not in use - correct answer-True
When my snorkel is in my mouth the tip should be - correct answer-over the crown of
my head
