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PADI Open Water - Being a Diver I Exam Questions with Correct Answers
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PADI Open Water - Being a Diver IExam Questions with Correct
Answers
b. 18 metres/60 feet - -As a newly certified PADI Open Water Diver, I will be
trained to dive with a buddy as deep as __________.
a. 10 metres/30 feet
b. 18 metres/60 feet
c. 30 metres/100 feet
d. 40 metres/130 feet
-a. true - -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
-a. meet specific performance requirements - -PADI courses are
performance-based. This means that to be certified, I must...
a. meet specific performance requirements
b. spend a given number of hours in training
c. simply pay for the course
-a. true - -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
-a. true - -When 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
-There is a pressure change of 1 bar/ata for every 10 metres/33 feet of
depth change. - -What is the pressure change for each 10 metres/33 feet of
depth change?
-As pressure increases, gas volume decreases and gas density increases. - -
What is the relationship between pressure and the volume and density of
air?
, -weight - -Right now, you are under pressure exerted by the air in the
atmosphere that surrounds you. This is actually the __________ of the air.
-weight - -Underwater, you're under more pressure because water also has
__________, which combines with the atmosphere's pressure.
-one bar (metric) or one atmosphere (imperial — abbreviated ata) - -At sea
level the pressure is fairly uniform, and is expressed as...
-As depth in water increases, pressure increases. As depth in water
decreases, pressure decreases. - -What is the relationship between my
depth in water and the pressure?
-10 metres/33 feet - -Because water is much denser and heavier than air,
__________ feet exerts the same pressure as the whole atmosphere.
-Pressure increases by one bar/ata for each 10 metres/33 feet you descend
(go down). - -How does pressure increase underwater?
-Pressure decreases one bar/ata for every 10 metres/33 feet you ascend
(come up). - -How does pressure decrease underwater?
-1 bar/ata - -At 0 metres/feet (sea level), what is the total pressure?
-2 bar/ata — one of air plus one of water - -At 10 metres/33 feet, what is the
total pressure?
-3 bar/ata — one of air plus two of water - -At 20 metres/66 feet, what is the
total pressure?
-4 bar/ata - -At 30 metres/99 feet, what is the total pressure?
-A gas volume decreases because the gas molecules get compressed. Gas
density increases because all the molecules are there, but they're packed
into a smaller area. - -Pressure changes affect the volume and density of air
(or any other gas). As the pressure increases — as you go deeper — why
does a gas volume decrease? Why does gas density increase?
-Your air volume decreases by 1/2, and your air density will be doubled. - -If
you go from the surface to 10 metres/33 feet, what happens to your air
volume and air density?
-Your air volume decreases by 1/3 the surface volume, and your air density
will be 3 times the surface density. - -If you go from 10 metres/33 feet to 20
metres/66 feet, what happens to your air volume and air density?
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