Padi Open Water Exam With Complete
Solutions Latest Update
What is the most important rule of scuba diving? - ANSWER Do not hold your breath
Breathe continuously
What is the possible effect of the most important rule of scuba diving? - ANSWER Lung
over expansion
severe injuries, death
What is a reverse block? - ANSWER pain and discomfort caused by expanding air
trapped inside an air space during ascent
If during ascent you have discomfort in the ears, sinuses, stomach, intestines, or teeth
caused by expanding air - ANSWER slow or stop ascent
descend a metre/few feet and give the trapped air time to work its way out
How does increased depth affect how long your air supply lasts? - ANSWER the deeper
you descend, the denser the air becomes.
It requires 4X as much effort to be able to breathe twice as often
What's the easiest way to breathe dense air underwater? - ANSWER breathe deeply and
slowly
Why does a diver wear a mask? - ANSWER creates an air space, so your eyes are able
to focus
The deeper you go, the more quickly you use up air in your scuba cylinder _____ -
, ANSWER faster
Why does the mask need to be over your nose? - ANSWER to equilise during your
descent to stop mask squeeze
What 6 features are you looking for in a mask? - ANSWER 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
What are 2 of the most important features when buying a mask? ANSWER fit and
comfort
How would you prepare a new mask for use? ANSWER use soft cloth with a low abrasion
cleaner to remove the protective chemical
adjust the strap
What three general maintenance procedures is common to the care of masks? ANSWER
1) rinse Thoroughly with fresh H2o
2) keep out of direct sunlight
3) store in cool, dry place
Why does a diver need a snorkel? - ANSWER 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
Solutions Latest Update
What is the most important rule of scuba diving? - ANSWER Do not hold your breath
Breathe continuously
What is the possible effect of the most important rule of scuba diving? - ANSWER Lung
over expansion
severe injuries, death
What is a reverse block? - ANSWER pain and discomfort caused by expanding air
trapped inside an air space during ascent
If during ascent you have discomfort in the ears, sinuses, stomach, intestines, or teeth
caused by expanding air - ANSWER slow or stop ascent
descend a metre/few feet and give the trapped air time to work its way out
How does increased depth affect how long your air supply lasts? - ANSWER the deeper
you descend, the denser the air becomes.
It requires 4X as much effort to be able to breathe twice as often
What's the easiest way to breathe dense air underwater? - ANSWER breathe deeply and
slowly
Why does a diver wear a mask? - ANSWER creates an air space, so your eyes are able
to focus
The deeper you go, the more quickly you use up air in your scuba cylinder _____ -
, ANSWER faster
Why does the mask need to be over your nose? - ANSWER to equilise during your
descent to stop mask squeeze
What 6 features are you looking for in a mask? - ANSWER 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
What are 2 of the most important features when buying a mask? ANSWER fit and
comfort
How would you prepare a new mask for use? ANSWER use soft cloth with a low abrasion
cleaner to remove the protective chemical
adjust the strap
What three general maintenance procedures is common to the care of masks? ANSWER
1) rinse Thoroughly with fresh H2o
2) keep out of direct sunlight
3) store in cool, dry place
Why does a diver need a snorkel? - ANSWER 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
