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PADI OPEN WATER DIVER FINAL EXAM LATEST UPDATED QUESTIONS AND ANSWERS ALREADY GRADED A
1) When 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 sinks or floats.
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. Identify 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 by putting it in
water, and then take it down to 10 meters. The air space
would
A became half the size it was at the surface.
B does not change in size.
C becomes 1/3 the size it was at the surface.
D becomes 2/3 the size it was at the surface.
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