Open Water Diver Final, SCUBA, SSI Open
Water Diver Final Exam (Latest 2025/ 2026
Update) over 300 Questions and verified
Answers | Grade A (100% Correct
Elaborations)
What are the two dive flags
Recreational Diving and Alpha Flag
1982
When did OSHA exempt scientific diving from commercial diving
The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea water is:
-A: 2 ata
-B:1 ata
-C: 4 ata
-D: 3 ata
A: 2 ata
What will the buoyancy of an object be (positive, neutral, or negative) if it displaces an amount
of water:
a. more than its own weight?
b. less than its own weight?
c. equal to its own weight?
, Open Water Diver Final, SCUBA, SSI Open
Water Diver Final Exam (Latest 2025/ 2026
Update) over 300 Questions and verified
Answers | Grade A (100% Correct
Elaborations)
a. positive
b. negative
c. neutral
AAUS
American Academy of Underwater Sciences
Gauge pressure is defined as:
-A: Hydrostatic pressure minus 1 ata
-B: The pressure at the surface
-C: The depth reading on a gauge
-D: Absolute pressure minus 1 ata
D: Gauge pressure is defined as Absolute pressure minus 1 ata
What is purpose of first stage
to reduce cylinder pressure to immediate pressure and keep that pressure as constant as possible
Define Scientific Diving
, Open Water Diver Final, SCUBA, SSI Open
Water Diver Final Exam (Latest 2025/ 2026
Update) over 300 Questions and verified
Answers | Grade A (100% Correct
Elaborations)
Diving performed solely as a necessary part of a scientific, research, or educational activity by
employees whose sole purpose for diving is to perform scientific research tasks
When does squeeze in the ear occur
When the presure outside the ear is greater than the pressure inside the ear
The first symptom of a sinus squeeze is usually:
-A: a dull pain deep within the head
-B: a sharp pain at the base of the neck
-C: a crushing pain high in the chest
-D: a sharp pain above the eyes
D: a sharp pain above the eyes
What is the relationship between increasing and decreasing depth and water pressure?
With increasing depth the water pressure increases.
With decreasing depth the water pressure decreases.
, Open Water Diver Final, SCUBA, SSI Open
Water Diver Final Exam (Latest 2025/ 2026
Update) over 300 Questions and verified
Answers | Grade A (100% Correct
Elaborations)
If you experience pain in the ear during descent:
-A: Stop the descent and ascend till the pain stops
-B: abort the dive
-C: place a finger in the ear canal and gently massage the ear until the pain ceases
-D: continue the descent while gently exhaling into the mask
A: Stop the descent and ascend till the pain stops.
Body heat is lost at a rate of than air.
25-30 times faster
What year was the petition by United Brotherhood Carpenters and Joiners of America AFL-CIO
with respect to diving operations filed?
1975
The ultimate responsibility for safe diving procedures rests with the ...
individual diver
Proper equalization techniques must be learned in order to:
Water Diver Final Exam (Latest 2025/ 2026
Update) over 300 Questions and verified
Answers | Grade A (100% Correct
Elaborations)
What are the two dive flags
Recreational Diving and Alpha Flag
1982
When did OSHA exempt scientific diving from commercial diving
The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea water is:
-A: 2 ata
-B:1 ata
-C: 4 ata
-D: 3 ata
A: 2 ata
What will the buoyancy of an object be (positive, neutral, or negative) if it displaces an amount
of water:
a. more than its own weight?
b. less than its own weight?
c. equal to its own weight?
, Open Water Diver Final, SCUBA, SSI Open
Water Diver Final Exam (Latest 2025/ 2026
Update) over 300 Questions and verified
Answers | Grade A (100% Correct
Elaborations)
a. positive
b. negative
c. neutral
AAUS
American Academy of Underwater Sciences
Gauge pressure is defined as:
-A: Hydrostatic pressure minus 1 ata
-B: The pressure at the surface
-C: The depth reading on a gauge
-D: Absolute pressure minus 1 ata
D: Gauge pressure is defined as Absolute pressure minus 1 ata
What is purpose of first stage
to reduce cylinder pressure to immediate pressure and keep that pressure as constant as possible
Define Scientific Diving
, Open Water Diver Final, SCUBA, SSI Open
Water Diver Final Exam (Latest 2025/ 2026
Update) over 300 Questions and verified
Answers | Grade A (100% Correct
Elaborations)
Diving performed solely as a necessary part of a scientific, research, or educational activity by
employees whose sole purpose for diving is to perform scientific research tasks
When does squeeze in the ear occur
When the presure outside the ear is greater than the pressure inside the ear
The first symptom of a sinus squeeze is usually:
-A: a dull pain deep within the head
-B: a sharp pain at the base of the neck
-C: a crushing pain high in the chest
-D: a sharp pain above the eyes
D: a sharp pain above the eyes
What is the relationship between increasing and decreasing depth and water pressure?
With increasing depth the water pressure increases.
With decreasing depth the water pressure decreases.
, Open Water Diver Final, SCUBA, SSI Open
Water Diver Final Exam (Latest 2025/ 2026
Update) over 300 Questions and verified
Answers | Grade A (100% Correct
Elaborations)
If you experience pain in the ear during descent:
-A: Stop the descent and ascend till the pain stops
-B: abort the dive
-C: place a finger in the ear canal and gently massage the ear until the pain ceases
-D: continue the descent while gently exhaling into the mask
A: Stop the descent and ascend till the pain stops.
Body heat is lost at a rate of than air.
25-30 times faster
What year was the petition by United Brotherhood Carpenters and Joiners of America AFL-CIO
with respect to diving operations filed?
1975
The ultimate responsibility for safe diving procedures rests with the ...
individual diver
Proper equalization techniques must be learned in order to:
