PADI OPEN WATER DIVER FINAL
EXAM |GUARANTEED PASS
As you descend in water the pressure - ACCURATE ANSWERS✔✔
increases
A depth change of 10 meters/33 feet causes a pressure change of -
ACCURATE ANSWERS✔✔ 2 bar/ata
if you take 6 liters of air from the surface to 20 metres/66 feet, the
volume will be - ACCURATE ANSWERS✔✔ 2 liters
The density of the air at 20 meters/66 feet would be _______ the density
at the surface of - ACCURATE ANSWERS✔✔ three times
A balloon fully inflated and sealed at 10 meters/33 feet, would probably
________ during ascent to the surface. - ACCURATE ANSWERS✔✔
expand/burst
As I descend, increasing pressure affects my _________ - ACCURATE
ANSWERS✔✔ mask, ears, sinuses
A squeeze is caused by - ACCURATE ANSWERS✔✔ a pressure
imbalance between the surrounding pressure and an air space
,Equalization is the process of - ACCURATE ANSWERS✔✔ adding air
to an air space
I should equalize - ACCURATE ANSWERS✔✔ before i feel pain or
discomfort
I'm descending and discovering I can't equalize. The first thing I would
do is - ACCURATE ANSWERS✔✔ stop my descent and signal my
buddy/the instructor
On a day I plan to go diving, I wake up with my sinuses blocked due to a
cold or allergy. I should - ACCURATE ANSWERS✔✔ cancel the dive
until I'm well
When scuba diving, normal breathing keeps your lungs equalized to the
surrounding pressure (T/F) - ACCURATE ANSWERS✔✔ True
The most important rule in scuba diving is to - ACCURATE
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 (T/F) - ACCURATE ANSWERS✔✔ true
,During ascent I feel discomfort in my ears. I should - ACCURATE
ANSWERS✔✔ stop, descend slightly and allow trapped air to work its
way out
Depth 0m/0ft what is the pressure, volume and density - ACCURATE
ANSWERS✔✔ 1 bar/ata, 1 volume, 1x density
Depth 10m/33ft what is the pressure, volume and density - ACCURATE
ANSWERS✔✔ 2 bar/ata, 1/2 volume, 2x density
Depth 20m/66ft what is the pressure, volume and density - ACCURATE
ANSWERS✔✔ 3 bar/ata, 1/3 volume, 3x density
Depth 30m/99ft what is the pressure, volume and density - ACCURATE
ANSWERS✔✔ 4 bar/ata, 1/4 volume, 4x density
As I descend, I need to equalize air spaces. Which of the following are
accepted ways of equalizing my ears?
a. Block my nose and attempt to gently blow through it.
b. Swallow and wiggle the jaw from side to side
c. Block my nose and blow forcefully for an extended period -
ACCURATE ANSWERS✔✔ Block my nose and attempt to gently blow
through it + swallow and wiggle the jaw from side to side
I should equalize
a. early and often, before I feel discomfort
, b. when I begin to feel discomfort
c. only if I experience pain - ACCURATE ANSWERS✔✔ early and
often, before I feel discomfort
I should not dive with a cold, nor use medications to dive with a cold.
True or False - ACCURATE ANSWERS✔✔ True
Failure to follow the most important rule in scuba diving can cause
serious lung overexpansion (lung rupture) injuries, which in turn can
cause paralysis and death. True or False - ACCURATE ANSWERS✔✔
True
During a descent, I try to equalize but discover I'm having trouble doing
so. Which of the following is correct?
a. Slow my descent, signal my buddy to slow down and equalize more
forcefully
b. Stop my descent, signal my buddy to slow down and try again
c. Continue my descent while equalizing repeatedly
d. Signal my buddy, ascend to the surface and start my descent over the -
ACCURATE ANSWERS✔✔ Stop my descent, signal my buddy to slow
down and try again
My buddy and I are planning a dive to 18m/60ft. We would expect our
air supply to last _______ at 10m/33ft, all else being the same.
a. longer than
b. shorter than
EXAM |GUARANTEED PASS
As you descend in water the pressure - ACCURATE ANSWERS✔✔
increases
A depth change of 10 meters/33 feet causes a pressure change of -
ACCURATE ANSWERS✔✔ 2 bar/ata
if you take 6 liters of air from the surface to 20 metres/66 feet, the
volume will be - ACCURATE ANSWERS✔✔ 2 liters
The density of the air at 20 meters/66 feet would be _______ the density
at the surface of - ACCURATE ANSWERS✔✔ three times
A balloon fully inflated and sealed at 10 meters/33 feet, would probably
________ during ascent to the surface. - ACCURATE ANSWERS✔✔
expand/burst
As I descend, increasing pressure affects my _________ - ACCURATE
ANSWERS✔✔ mask, ears, sinuses
A squeeze is caused by - ACCURATE ANSWERS✔✔ a pressure
imbalance between the surrounding pressure and an air space
,Equalization is the process of - ACCURATE ANSWERS✔✔ adding air
to an air space
I should equalize - ACCURATE ANSWERS✔✔ before i feel pain or
discomfort
I'm descending and discovering I can't equalize. The first thing I would
do is - ACCURATE ANSWERS✔✔ stop my descent and signal my
buddy/the instructor
On a day I plan to go diving, I wake up with my sinuses blocked due to a
cold or allergy. I should - ACCURATE ANSWERS✔✔ cancel the dive
until I'm well
When scuba diving, normal breathing keeps your lungs equalized to the
surrounding pressure (T/F) - ACCURATE ANSWERS✔✔ True
The most important rule in scuba diving is to - ACCURATE
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 (T/F) - ACCURATE ANSWERS✔✔ true
,During ascent I feel discomfort in my ears. I should - ACCURATE
ANSWERS✔✔ stop, descend slightly and allow trapped air to work its
way out
Depth 0m/0ft what is the pressure, volume and density - ACCURATE
ANSWERS✔✔ 1 bar/ata, 1 volume, 1x density
Depth 10m/33ft what is the pressure, volume and density - ACCURATE
ANSWERS✔✔ 2 bar/ata, 1/2 volume, 2x density
Depth 20m/66ft what is the pressure, volume and density - ACCURATE
ANSWERS✔✔ 3 bar/ata, 1/3 volume, 3x density
Depth 30m/99ft what is the pressure, volume and density - ACCURATE
ANSWERS✔✔ 4 bar/ata, 1/4 volume, 4x density
As I descend, I need to equalize air spaces. Which of the following are
accepted ways of equalizing my ears?
a. Block my nose and attempt to gently blow through it.
b. Swallow and wiggle the jaw from side to side
c. Block my nose and blow forcefully for an extended period -
ACCURATE ANSWERS✔✔ Block my nose and attempt to gently blow
through it + swallow and wiggle the jaw from side to side
I should equalize
a. early and often, before I feel discomfort
, b. when I begin to feel discomfort
c. only if I experience pain - ACCURATE ANSWERS✔✔ early and
often, before I feel discomfort
I should not dive with a cold, nor use medications to dive with a cold.
True or False - ACCURATE ANSWERS✔✔ True
Failure to follow the most important rule in scuba diving can cause
serious lung overexpansion (lung rupture) injuries, which in turn can
cause paralysis and death. True or False - ACCURATE ANSWERS✔✔
True
During a descent, I try to equalize but discover I'm having trouble doing
so. Which of the following is correct?
a. Slow my descent, signal my buddy to slow down and equalize more
forcefully
b. Stop my descent, signal my buddy to slow down and try again
c. Continue my descent while equalizing repeatedly
d. Signal my buddy, ascend to the surface and start my descent over the -
ACCURATE ANSWERS✔✔ Stop my descent, signal my buddy to slow
down and try again
My buddy and I are planning a dive to 18m/60ft. We would expect our
air supply to last _______ at 10m/33ft, all else being the same.
a. longer than
b. shorter than
