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PADI OPEN WATER Final Exam A with 100% Correct Answers Pdf
Question 1: If an object is neutrally buoyant (does not sink or
float) in fresh water; the same object placed into salt water
would:
Correct answer: sink.
Question 2: Imagine you 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?
Correct answer: The balloon will get smaller and the air inside
the balloon will be more dense (molecules move closer together).
Question 3: Imagine you turn a glass upside down, trap the air in
it by putting it in water, and then you take the glass down to 33 feet. What would happen to the air space in the glass?
Correct answer: The air space would become half the size it was
at the surface.
Question 4: If you are not able to equalize (clear) your body air
spaces, it may be because you have:
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Correct answer: a cold, allergy or another breathing medical
problem.
Question 5: If your ears or sinuses hurt while you are
descending (going down), it usually means:
Correct answer: you are feeling a squeeze and need to equalize.
Question 6: Imagine if you held a glass upside down at 33 feet
and filled it with air from your tank. What would happen to the air in the glass as you ascend (go up)?
Correct answer: The expanding air would bubble out of the
bottom of the glass.
Question 7: Holding your breath while scuba diving can:
Correct answer: Cause lung injuries, push air into the blood
stream and chest area, and lead to life threatening injuries.
Question 8: If your tank of air lasts 60 minutes while you are at
the surface breathing normally, how long will it last at 66 feet breathing normally?
Correct answer: 20 minutes
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Question 9: How often should you take your scuba tank to be
visually inspected by your dive center?
Correct answer: Once a year
Question 10: How can you identify a DIN tank valve from a
yoke valve?
Correct answer: The DIN valve has a threaded opening to screw
the regulator into.
Question 11: What can you do to properly care for a scuba tank?
Correct answer: Do not use all the air in the tank.
Question 12: Underwater things look ________. When you look
at things underwater they often seem_______ than when you look at them on the surface.
Correct answer: bigger, nearer
Question 13: _______ travels faster in water. This is why you
cannot use it to tell direction very well.
Correct answer: Sound
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Question 14: How should you move under water?
Correct answer: Slowly and steadily
Question 15: If you work too hard and find it difficult to breathe
underwater, you should:
Correct answer: stop all activity and rest, hold onto something
for support, if possible.
Question 16: As you descend (go down) towards the bottom,
your wet suit will:
Correct answer: compress (become smaller in thickness) from
water pressure and you will lose buoyancy and warmth the deeper you go.
Question 17: You know you are properly weighted for diving if
you:
Correct answer: float at eye level holding a normal breath of air
with an empty BCD.
