PADI OPEN WATER DIVER ACTUAL PAPER
2026 QUESTIONS AND SOLUTIONS
GRADED A PLUS SCUBA CERTIFICATION
CORE TRAINING
◉ 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
◉ How often should I take my scuba cylinder to be visually
inspected by my dive center?
Answer: Once a year
◉ The difference between DIN values and yoke valves is that DIN
valves...
Answer: Have threaded openings to screw the regulator into
2026 QUESTIONS AND SOLUTIONS
GRADED A PLUS SCUBA CERTIFICATION
CORE TRAINING
◉ 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
◉ How often should I take my scuba cylinder to be visually
inspected by my dive center?
Answer: Once a year
◉ The difference between DIN values and yoke valves is that DIN
valves...
Answer: Have threaded openings to screw the regulator into
