TEST WELL-ANALYZED LATEST QUESTIONS
WITH 100% CORRECT ANSWERS GRADED A+
2026
1
, If an object is neutrally buoyant in fresh water, the same object placed into salt water
would... ANSWER >> Float
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? ANSWER >> The balloon will get smaller
and the air inside the balloon will be more dense
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 m/33 ft. The air space would... ANSWER >> Become half the size it
was at the surface
If I am not able to equalize my body air spaces, it may be because I have... ANSWER
>> A cold, allergy or another medical problem
If my ears or sinuses hurt while I am descending, it usually means... ANSWER >> I am
feeling a squeeze and need to equalize
The best place for me to position an alternate air source is... ANSWER >> In the
triangle area formed by my chin and the lower corners of my rib cage
Lung overexpansion injuries can be caused by... ANSWER >> Holding my breath while
scuba diving
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 m/66 ft breathing normally?
ANSWER >> 20 minutes
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