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SSI OPEN WATER DIVER FINAL ACTUAL EXAM
PREP 2026 ALL QUESTIONS AND CORRECT
DETAILED ANSWERS ALREADY A GRADED
WITH EXPERT FEEDBACK |NEW AND REVISED
The event that led to the use of the acronym SCUBA to describe diving
was:Development of what and when? - ANSWER- Demand regulator in
1943
Ear squeeze can be prevented by
-A: Relaxing
-B: All answers are correct
-C: Never diving with a cold
-D: rotating the jaw, swallowing or Valsalva - ANSWER- B
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 - ANSWER- D
,2|P a g e
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 -
ANSWER- A
Body heat is lost at a rate of ___ than air. - ANSWER- 25-30 times
faster
Proper equalization techniques must be learned in order to:
-A: prevent sinus squeeze
-B: prevent ear pain
-C: prevent squeeze injuries
-D: all answers are correct - ANSWER- D
Salt water weighs ___ pounds per cubic foot and freshwater weighs ___
pounds per cubic foot. - ANSWER- 64/62.5
Underwater, the bending of light rays causes objects to appear to be: -
ANSWER- Closer
, 3|P a g e
The purpose of equalization is to:
-A: ensure the uneven application of pressure between the water and air
spaces in the body
-B: prevent water from entering air spaces in the body
-C: introduce additional air into body air spaces in response to increasing
external pressure
-D: remove all fluids from body air spaces - ANSWER- C
Which of the statements concerning sound transmission underwater is
incorrect?
-A: Sound will travel farther underwater then in air
-B: Divers find it difficult to locate the direction of a sound producing
source
-C: Divers find it easy to talk to each other directly through water
-D: Sound travels four times faster underwater than in air - ANSWER- C
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 - ANSWER- A
SSI OPEN WATER DIVER FINAL ACTUAL EXAM
PREP 2026 ALL QUESTIONS AND CORRECT
DETAILED ANSWERS ALREADY A GRADED
WITH EXPERT FEEDBACK |NEW AND REVISED
The event that led to the use of the acronym SCUBA to describe diving
was:Development of what and when? - ANSWER- Demand regulator in
1943
Ear squeeze can be prevented by
-A: Relaxing
-B: All answers are correct
-C: Never diving with a cold
-D: rotating the jaw, swallowing or Valsalva - ANSWER- B
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 - ANSWER- D
,2|P a g e
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 -
ANSWER- A
Body heat is lost at a rate of ___ than air. - ANSWER- 25-30 times
faster
Proper equalization techniques must be learned in order to:
-A: prevent sinus squeeze
-B: prevent ear pain
-C: prevent squeeze injuries
-D: all answers are correct - ANSWER- D
Salt water weighs ___ pounds per cubic foot and freshwater weighs ___
pounds per cubic foot. - ANSWER- 64/62.5
Underwater, the bending of light rays causes objects to appear to be: -
ANSWER- Closer
, 3|P a g e
The purpose of equalization is to:
-A: ensure the uneven application of pressure between the water and air
spaces in the body
-B: prevent water from entering air spaces in the body
-C: introduce additional air into body air spaces in response to increasing
external pressure
-D: remove all fluids from body air spaces - ANSWER- C
Which of the statements concerning sound transmission underwater is
incorrect?
-A: Sound will travel farther underwater then in air
-B: Divers find it difficult to locate the direction of a sound producing
source
-C: Divers find it easy to talk to each other directly through water
-D: Sound travels four times faster underwater than in air - ANSWER- C
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 - ANSWER- A
