Questions
1. If an object is neutrally buoyant in fresh water, the Float
same object placed into salt water would...
2. I blow up a balloon, tie it off, and take it The balloon will get smaller
to the bottom of the swimming pool. What and the air inside the
will happen to the balloon and the air
balloon will be more dense
inside it?
Become half the size it was at
3. I turn a glass upside down, trap the air in it the
by
putting it in water, and then I take the glass down surface
to 10 m/33 ft. The air space would...
4. If I am not able to equalize my body air spaces, it A cold, allergy or
another medical
may be because I have... problem
5. If my ears or sinuses hurt while I am descending, I am feeling a squeeze
and need
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, PADI Open Water Diver Final Practice
Questions
it usually means... to equalize
6. The best place for me to position an alternate air In the triangle area
formed by my
source is... chin and the lower corners of my
rib cage
7. Lung overexpansion injuries can be caused by... Holding my breath
while scuba
diving
8. If my cylinder of air lasts 60 minutes while 20 minutes
I am at the surface breathing normally,
assuming all else is the same, how long
will it last at 20 m/66 ft breathing
normally?
Once a year
9. How often should I take my scuba cylinder
to be visually inspected by my dive
center?
Have threaded openings to
10. The difference between DIN values and screw the regulator into
yoke valves is that DIN valves...
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