PADI OPEN WATER EXAM QUESTIONS WITH ACCURATE
ANSWERS.
What is the most important rule of scuba diving? - accurate answers-Do not
hold your breath
Breathe continuously
What are the consequences of breaking the most important rule in scuba
diving? - accurate answers-Lung over expansion
severe injuries, death
What is a reverse block? - accurate answers-pain and discomfort caused by
expanding air trapped inside an air space during ascent
What should you do if you feel discomfort during ascent due to air expansion
in the ears, sinuses, stomach, intestines, or teeth? - accurate answers-slow or
stop ascent
descend a metre/few feet and give the trapped air time to work its way out
How does increasing depth affect how long your air supply lasts? - accurate
answers-the deeper you descend, the denser the air becomes.
It takes 4X the effort to breathe twice as fast
What's the most efficient way to breathe dense air underwater? - accurate
answers-take deep, slow breaths
Why does a diver need a mask? - accurate answers-creates an air space, so
your eyes can focus
As you go deeper, you consume air from your scuba cylinder _____ - accurate
answers-faster
Why does the mask need to enclose your nose? - accurate answers-to equalize
during your descent to prevent mask squeeze
What 6 features should you look for in a mask? - accurate answers-1)
tempered glass
2) comfortable skirt with a good seal
3) nose or finger pockets
, 4) low profile
5) Adjustable strap that can be locked in place
6) wide field of vision
When buying a mask, what are the 2 most important features? - accurate
answers-fit and comfort
How do you prepare a new mask for use? - accurate answers-use a soft cloth
with a low abrasion cleaner to remove the protective chemical
adjust the strap
What 3 general maintenance procedures apply to mask care? - accurate
answers-1) rinse thoroughly with fresh H2o
2) keep out of direct sunlight
3) store in a cool, dry place
Why does a diver need a snorkel? - accurate answers-1) lets you rest or swim
with your face in the water, without wasting cylinder air
2) makes it easier to breathe when the surface is rough
3) makes it easier to swim back, when you are running low on air
What 3 features does an easy-breathing snorkel have? - accurate answers-1)
large diameter (bore)
2) Not excessively long
3) Designed with smooth, rounded bends
How do you prepare a snorkel for use? - accurate answers-1) attach it to the
left of your mask
2) Adjust snorkel keeper, so the top of the snorkel sits at the crown of your
head with the mouthpiece in place
3) remains in your mouth with a relaxed jaw
Why does a diver need fins? - accurate answers-provide a large surface area,
so leg muscles can move through the water
What are the 2 basic fin styles? - accurate answers-1) adjustable strap - open
heel
2) full-foot
ANSWERS.
What is the most important rule of scuba diving? - accurate answers-Do not
hold your breath
Breathe continuously
What are the consequences of breaking the most important rule in scuba
diving? - accurate answers-Lung over expansion
severe injuries, death
What is a reverse block? - accurate answers-pain and discomfort caused by
expanding air trapped inside an air space during ascent
What should you do if you feel discomfort during ascent due to air expansion
in the ears, sinuses, stomach, intestines, or teeth? - accurate answers-slow or
stop ascent
descend a metre/few feet and give the trapped air time to work its way out
How does increasing depth affect how long your air supply lasts? - accurate
answers-the deeper you descend, the denser the air becomes.
It takes 4X the effort to breathe twice as fast
What's the most efficient way to breathe dense air underwater? - accurate
answers-take deep, slow breaths
Why does a diver need a mask? - accurate answers-creates an air space, so
your eyes can focus
As you go deeper, you consume air from your scuba cylinder _____ - accurate
answers-faster
Why does the mask need to enclose your nose? - accurate answers-to equalize
during your descent to prevent mask squeeze
What 6 features should you look for in a mask? - accurate answers-1)
tempered glass
2) comfortable skirt with a good seal
3) nose or finger pockets
, 4) low profile
5) Adjustable strap that can be locked in place
6) wide field of vision
When buying a mask, what are the 2 most important features? - accurate
answers-fit and comfort
How do you prepare a new mask for use? - accurate answers-use a soft cloth
with a low abrasion cleaner to remove the protective chemical
adjust the strap
What 3 general maintenance procedures apply to mask care? - accurate
answers-1) rinse thoroughly with fresh H2o
2) keep out of direct sunlight
3) store in a cool, dry place
Why does a diver need a snorkel? - accurate answers-1) lets you rest or swim
with your face in the water, without wasting cylinder air
2) makes it easier to breathe when the surface is rough
3) makes it easier to swim back, when you are running low on air
What 3 features does an easy-breathing snorkel have? - accurate answers-1)
large diameter (bore)
2) Not excessively long
3) Designed with smooth, rounded bends
How do you prepare a snorkel for use? - accurate answers-1) attach it to the
left of your mask
2) Adjust snorkel keeper, so the top of the snorkel sits at the crown of your
head with the mouthpiece in place
3) remains in your mouth with a relaxed jaw
Why does a diver need fins? - accurate answers-provide a large surface area,
so leg muscles can move through the water
What are the 2 basic fin styles? - accurate answers-1) adjustable strap - open
heel
2) full-foot
