PADI Open Water Diver Certification
Exam 2026/2027 Latest Edition |
Comprehensive Study Guide | Practice
Questions & Detailed Answer
Explanations | Scuba Diving Certification
Exam Prep
If an object is neutrally buoyant in fresh water, the same object placed into salt water would...
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?
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...
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...
A cold, allergy or another medical problem
, .//.//.,…//////////./././././.;;;../.;.//;./.;./;.;.;/
If my ears or sinuses hurt while I am descending, it usually means...
I am feeling a squeeze and need to equalize
The best place for me to position an alternate air source is...
In the triangle area formed by my chin and the lower corners of my rib cage
Lung overexpansion injuries can be caused by...
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?
20 minutes
How often should I take my scuba cylinder to be visually inspected by my dive center?
Once a year
The difference between DIN values and yoke valves is that DIN valves...
Have threaded openings to screw the regulator into
Which of the following is not part of proper care for my scuba cylinder?
Keep some air in it