PADI OPEN WATER DIVER COMPREHENSIVE
EXAMINATION 2026 FULL SOLUTIONS AND
CORRECT ANSWERS
◉My sunglasses case falls out of my pocket into the water, but
fortunately, it floats so I retrieve it. I would say my sungalsses case is
[blank] buoyant. Answer: Positively
◉Salt water causes more buoyancy than fresh water because it is
less dense and weighs less. True or false?. Answer: 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 [blank]. Answer: BCD
◉When I descend, my buoyancy tends to [blank]. When I ascend, it
tends to [blank].. Answer: decrease, increase
◉Underwater, when I inhale, my buoyancy [blank]. Answer:
increases slightly
,◉It is important to master buoyancy control because it affects
almost everything I do in and underwater. True or false?. Answer:
True
◉As you descend in water the pressure increases, decreases or
doesn't change?. Answer: increases
◉A depth change of 10 meters/33 feet causes a pressure change of
1, 2, 3, or 4 bar/ata?. Answer: 1 bar/ata
◉If you take 6 litres of air from the surface to 20 metres/66 feet, the
volume will be [blank] litres. 1,2,3,4. Answer: 2
◉The density of 6 liters of air at 20 metres/66 feet would be [blank]
the density at the surface. Answer: 3 times
◉A balloon fully inflated and sealed at 10 metres/33 feet, would
probably [blank] during ascent to the surface.. Answer: burst
◉As I descend, increasing pressure affects my - choose all that apply
- mask, ears, sinuses, skin. Answer: mask, ears, sinuses
◉A squeeze is caused by. Answer: a pressure imbalance between the
surrounding pressure and an air space
, ◉Equalization is the process of. Answer: adding air to an air space
◉When should I equalize?. Answer: before I feel pain or discomfort
◉I'm descending and discover I can't equalize. The first thing I
would do is. Answer: stop my descent and signal my buddy
◉Why do I equalize gently. Answer: so I don't cause permanent
damage to my ears and hearing
◉On a day I plan to go diving, I wake up with my sinuses blocked
due to a cold or allergy. I should. Answer: cancel the dive until I am
well
◉When scuba diving, normal breathing keeps your lungs equalized
to the surrounding pressure. Answer: True
◉The most important rule in scuba diving is to. Answer: breathe
continuously and never hold your breath
◉Failure to follow the most important rule in scuba diving can cause
severe lung over-expansion injuries, which can result in paralysis or
death. Answer: True
EXAMINATION 2026 FULL SOLUTIONS AND
CORRECT ANSWERS
◉My sunglasses case falls out of my pocket into the water, but
fortunately, it floats so I retrieve it. I would say my sungalsses case is
[blank] buoyant. Answer: Positively
◉Salt water causes more buoyancy than fresh water because it is
less dense and weighs less. True or false?. Answer: 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 [blank]. Answer: BCD
◉When I descend, my buoyancy tends to [blank]. When I ascend, it
tends to [blank].. Answer: decrease, increase
◉Underwater, when I inhale, my buoyancy [blank]. Answer:
increases slightly
,◉It is important to master buoyancy control because it affects
almost everything I do in and underwater. True or false?. Answer:
True
◉As you descend in water the pressure increases, decreases or
doesn't change?. Answer: increases
◉A depth change of 10 meters/33 feet causes a pressure change of
1, 2, 3, or 4 bar/ata?. Answer: 1 bar/ata
◉If you take 6 litres of air from the surface to 20 metres/66 feet, the
volume will be [blank] litres. 1,2,3,4. Answer: 2
◉The density of 6 liters of air at 20 metres/66 feet would be [blank]
the density at the surface. Answer: 3 times
◉A balloon fully inflated and sealed at 10 metres/33 feet, would
probably [blank] during ascent to the surface.. Answer: burst
◉As I descend, increasing pressure affects my - choose all that apply
- mask, ears, sinuses, skin. Answer: mask, ears, sinuses
◉A squeeze is caused by. Answer: a pressure imbalance between the
surrounding pressure and an air space
, ◉Equalization is the process of. Answer: adding air to an air space
◉When should I equalize?. Answer: before I feel pain or discomfort
◉I'm descending and discover I can't equalize. The first thing I
would do is. Answer: stop my descent and signal my buddy
◉Why do I equalize gently. Answer: so I don't cause permanent
damage to my ears and hearing
◉On a day I plan to go diving, I wake up with my sinuses blocked
due to a cold or allergy. I should. Answer: cancel the dive until I am
well
◉When scuba diving, normal breathing keeps your lungs equalized
to the surrounding pressure. Answer: True
◉The most important rule in scuba diving is to. Answer: breathe
continuously and never hold your breath
◉Failure to follow the most important rule in scuba diving can cause
severe lung over-expansion injuries, which can result in paralysis or
death. Answer: True
