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PADI, Open Water Diver, Final ExamReview new update questions andanswers
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PADI, Open Water Diver, Final ExamReview new update questions andanswers
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PADI, Open Water Diver, FinalExam
Review new update questions and
answers
1) If an object is neutrally buoyant (does not sink or float) in fresh
water, the same object placed into salt water would
A sink.
B either sink or
float.
C do nothing.
D float. - D
2) I blow up a balloon, tie it off, and take it to the bottom of the swimming
pool. What will happen to the balloon and the air inside it?
A The balloon will get bigger and the air inside the balloon will be less dense
(molecules move further apart).
B The balloon will get smaller and the air inside the balloon will be
more dense (molecules move closer together).
C The balloon will get bigger and the air inside the balloon will be more dense.
D The balloon will get smaller and the air inside the balloon will be less dense.
-B
3) I turn a glass upside down, trap the air in it by putting it in water, and
then I take the glass down to 10 meters. The air space would
A become half the size it was at the
surface. B not change in size.
C become 1/3 the size it was at the surface.
D become 2/3 the size it was at the surface. - A
4) If I am not able to equalize (clear) my body air spaces, it may be because I
have
A seasickness.
B heart disease and high blood pressure.
C a cold, allergy or another medical
problem. D anxiety. - C
5) If my ears or sinuses hurt while I am descending (going down), it usually
means
A my air spaces are
,equalized. B my mask
strap is too tight.
C I am feeling a squeeze and need to equalize.
, D my mask is too small. - C
6) The best place for me to position an alternate air source is
A loose by my side so I can find it fast.
B in the triangle area formed by my chin and the lower corners of
my rib cage. C to the base of my cylinder.
D to the back of my BCD between my shoulder blades and waist. - B
7) Lung overexpansion injuries can be caused by
A scuba diving without a buddy.
B continuing a dive when not properly
weighted. C not drinking enough water
before scuba diving. D holding my breath
while scuba diving. - D
8) If my cylinder of air lasts 60 minutes while I am at the surface
breathing normally, assuming all else is the same, how long will it last at
20 meters breathing normally?
A 60
minutes B
20 minutes
C 15
minutes
D 12 minutes - B
9) How often should I take my scuba cylinder to be visually inspected
by my dive center?
A Once a year.
B Once every two
years. C Every six
months.
D Every five years. - A
10)The difference between DIN valves and yoke valves is that DIN valves
A are made from durable plastic.
B contain a spring-operated shutoff valve that is held open by
cylinder pressure. C have an o-ring in them.
D have threaded openings to screw the regulator into. - D
11)Which of the following is part of proper care for my scuba cylinder?
A Sand and repaint it every
year. B Dry it in the sun.
C Keep some air in it.
D Have it pressure tested every month. - C
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