PADI Exam Review Questions with Correct
Answers
Something underwater that does not float and does not sink is
positively buoyant.
negatively buoyant.
neutrally buoyant.
partially buoyant.
neutrally buoyant.
If an object is neutrally buoyant in salt water, what will happen to the object if I put it
into fresh water?
The object will sink.
The object will float.
The object will not sink or float.
I can't tell from the question.
The object will sink.
A diver is 30 metres/99 feet underwater. The water pressure at this depth would be
______ times more than the pressure at the surface.
4 times
If I hold a glass full of air upside down, and I take it to the bottom of the swimming pool
without tipping it, the density (thickness) of the air inside the glass will be ______ at the
surface.
, less than
greater than
the same as
less than or greater than
greater than
What should I do if I can't equalize (clear) my ears or sinuses while I am descending
(going down)?
Continue descending, but go slower.
Stop descending, and try again to equalize by blowing harder.
Stop and ascend a metre/few feet, and try to equalize again.
Surface and wait one minute before descending again.
Stop and ascend a metre/few feet, and try to equalize again.
What should I do to prevent mask squeeze (a sucking or pulling feeling on my face and
eyes)?
Make an ah-h-h-h sound.
Pinch my nose and blow against it.
Wiggle my jaw from side to side.
Blow into my mask through my nose.
Blow into my mask through my nose.
I put air into a balloon underwater at 10 metres/ 33 feet and then I take it to the surface.
The balloon will
Answers
Something underwater that does not float and does not sink is
positively buoyant.
negatively buoyant.
neutrally buoyant.
partially buoyant.
neutrally buoyant.
If an object is neutrally buoyant in salt water, what will happen to the object if I put it
into fresh water?
The object will sink.
The object will float.
The object will not sink or float.
I can't tell from the question.
The object will sink.
A diver is 30 metres/99 feet underwater. The water pressure at this depth would be
______ times more than the pressure at the surface.
4 times
If I hold a glass full of air upside down, and I take it to the bottom of the swimming pool
without tipping it, the density (thickness) of the air inside the glass will be ______ at the
surface.
, less than
greater than
the same as
less than or greater than
greater than
What should I do if I can't equalize (clear) my ears or sinuses while I am descending
(going down)?
Continue descending, but go slower.
Stop descending, and try again to equalize by blowing harder.
Stop and ascend a metre/few feet, and try to equalize again.
Surface and wait one minute before descending again.
Stop and ascend a metre/few feet, and try to equalize again.
What should I do to prevent mask squeeze (a sucking or pulling feeling on my face and
eyes)?
Make an ah-h-h-h sound.
Pinch my nose and blow against it.
Wiggle my jaw from side to side.
Blow into my mask through my nose.
Blow into my mask through my nose.
I put air into a balloon underwater at 10 metres/ 33 feet and then I take it to the surface.
The balloon will
