Section 3- PADI Open Water Diver
Exam Questions And Correct Answers
(Verified Answers) 2026/2027
Six environmental conditions that can affect you - CORRECT ANSWER -
Temperature, visibility, water movement, bottom, composition, aquatic life,
sunlight
Range of temperature for diving - CORRECT ANSWER -28° to above 85°
The boundary between a warmer upper layer and a colder deeper layer is called -
CORRECT ANSWER -Thermocline
Base exposure protection upon the temperature of what part of the dive -
CORRECT ANSWER -Deepest
If you find you don't have enough exposure protection, you shall - CORRECT
ANSWER -Shall ascend to shallower warmer Waters or abort the dive and return
with warmer insulation
Visibility can range from what - CORRECT ANSWER -0 to 200 feet
How do you measure visibility as a distance you can see - CORRECT ANSWER -
Horizontally
, For principal factors affect visibility - CORRECT ANSWER -Water movement,
weather, plankton, and bottom composition
Factors that affect visibility do so by increasing or decreasing the amount of what -
CORRECT ANSWER -Particles
Three effects from reduced visibility - CORRECT ANSWER -1. Difficulty staying with
your buddy.
2. Difficulty knowing where you are and where you're going, use Compass
3. Difficulty descending and ascending.
Visibility problems with Clearwater - CORRECT ANSWER -Bottom may seem closer
than it really is
Most common problem in Clearwater - CORRECT ANSWER -Getting too far from
your buddy
Two types of water movement that affect the dive - CORRECT ANSWER -Waves
and current
Small waves up to how many feet seldom restricted dive - CORRECT ANSWER -3 ft
Current result from what - CORRECT ANSWER -Waves, water heating and cooling,
the earth rotation, and tides
Exam Questions And Correct Answers
(Verified Answers) 2026/2027
Six environmental conditions that can affect you - CORRECT ANSWER -
Temperature, visibility, water movement, bottom, composition, aquatic life,
sunlight
Range of temperature for diving - CORRECT ANSWER -28° to above 85°
The boundary between a warmer upper layer and a colder deeper layer is called -
CORRECT ANSWER -Thermocline
Base exposure protection upon the temperature of what part of the dive -
CORRECT ANSWER -Deepest
If you find you don't have enough exposure protection, you shall - CORRECT
ANSWER -Shall ascend to shallower warmer Waters or abort the dive and return
with warmer insulation
Visibility can range from what - CORRECT ANSWER -0 to 200 feet
How do you measure visibility as a distance you can see - CORRECT ANSWER -
Horizontally
, For principal factors affect visibility - CORRECT ANSWER -Water movement,
weather, plankton, and bottom composition
Factors that affect visibility do so by increasing or decreasing the amount of what -
CORRECT ANSWER -Particles
Three effects from reduced visibility - CORRECT ANSWER -1. Difficulty staying with
your buddy.
2. Difficulty knowing where you are and where you're going, use Compass
3. Difficulty descending and ascending.
Visibility problems with Clearwater - CORRECT ANSWER -Bottom may seem closer
than it really is
Most common problem in Clearwater - CORRECT ANSWER -Getting too far from
your buddy
Two types of water movement that affect the dive - CORRECT ANSWER -Waves
and current
Small waves up to how many feet seldom restricted dive - CORRECT ANSWER -3 ft
Current result from what - CORRECT ANSWER -Waves, water heating and cooling,
the earth rotation, and tides
