PADI Open Water Diver Exam Questions and Answers Graded A+
As a newly certified PADI Open Water Diver, I will be trained to dive with a buddy as deep as ________. -
Answers 18 metres/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.
a. True
b. False - Answers a. True
PADI courses are performance-based. This means that to be certified, I must ________ - Answers meet
specific performance requirements.
Failure to complete assigned independent study can create significant delays, and my instructor may
have to cancel and reschedule sessions until I complete the assignment.
a. True
b. False - Answers a. True
While diving in a new dive 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.
a. True
b. False - Answers a. True
As you descend in water the pressure ________ - Answers increases
A depth of 10 metres/33 feet causes a pressure change of ________. - Answers 1 bar/ata
If you take 6 liters of air from the surface to 20 metres/66 feet, the volume will be ________. - Answers
2 litres
The density of the air in 6 litres from the surface to 20 metres/66 feet is ________ - Answers three times
greater
A balloon fully inflated and sealed at 10 metres/33 feet, would probably ________ during ascent to the
surface. - Answers burst
As I descend, increasing pressure affects my (choose all that apply): - Answers mask, ears and sinuses
A squeeze is caused by ________ - Answers a pressure imbalance between the surround pressure and
an air space
Equalization is the process of ________ - Answers adding air to an air space
,I should equalize ________ - Answers before I feel pain or discomfort
I'm descending and discover I can't equalize. The first thing I would do is ________ - Answers 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.
a. True
b. False - Answers a. True
On a day I plan to go diving, I wake up with my sinuses blocked due to a cold or allergy. I should
________ - Answers cancel the dive until I'm well
When scuba diving, normal breathing keeps your lungs equalized to the surrounding pressure.
a. True
b. False - Answers a. True
The most important rule in scuba diving is to ________ - Answers 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.
a. True
b. False - Answers a. True
During ascent I feel discomfort in my ears. I should ________ - Answers 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. - Answers faster than
The most efficient way to breathe dense air underwater is to breathe ________ - Answers deeply and
slowly
My body responds to anxiety with increased breathing, but slow breathing helps reduce anxiety.
a. True
b. False - Answers a. True
What are the breathing rules I must follow as a diver? - Answers - 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.
a. True
b. False - Answers a. 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. - Answers positively
Salt water causes more buoyancy than fresh water because it is less dense and weighs less.
a. True
b. False - Answers b. False
Salt water causes more buoyancy because it is more dense and weighs more; buoyancy results from the
weight of the water displaced
To control my buoyancy, normally I will use my weight system and my ________ - Answers BCD
When I descend, my buoyancy tends to ________. When I ascend, it tends to ________. - Answers
decrease, increase
Underwater, when I inhale, my buoyancy ________ - Answers increases slightly
It is important to master buoyancy control because it affects almost everything I do in and underwater.
a. True
b. False - Answers a. True
In recreational diving, the buddy system means diving with another diver or divers in a team that
provides assistance and safety benefits.
a. True
b. False - Answers a. True
Overall benefits of the buddy system include ________ - Answers practicality, safety and fun
The three most important considerations in choosing scuba equipment are suitability, fit and ________ -
Answers comfort
, Getting the service my gear needs may be a consideration when choosing equipment.
a. True
b. False - Answers a. True
Before each use, I should ________ my equipment. - Answers inspect
I need a mask because ________ - Answers my eyes must be in air to focus
My mask encloses my nose so I can ________ - Answers equalize the mask
From among masks that fit me, I should choose a mask that fits as far away from my face as possible.
a. True
b. False - Answers b. False
Choose a low profile that sits as close to your face as possible
I want to adjust my mask so the strap rests ________ - Answers 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.
a. True
b. False - Answers a. True
Some scuba divers prefer a snorkel with a flexible lower portion so it drops out of the way when not in
use.
a. True
b. False - Answers a. True
When my snorkel is in my mouth, the tip should be ________ - Answers over the crown of my head
Fins provide a large surface area so my legs can push against the water effectively.
a. True
b. False - Answers a. True
The two basic fin styles are ________ fins. - Answers adjustable and full-foot
My primary considerations when choosing fins are fit and ________ - Answers blade size