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SSI Open Water Diver Final Exam Questions And Answers Rated 100- Correct!_.pdf
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8/29/24, 3:50 AMSSI Open Water Diver Final Exam
Jeremiah
Terms in this set (53)
Which of the statements concerning sound C
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
The absolute pressure expressed in terms of A
atmospheres absolute at 33 feet in sea water
is:
-A: 2 ata
-B:1 ata
-C: 4 ata
-D: 3 ata
The condition in which certain colors are D
diminished as depth increases is called:
-A: Refraction
-B: Turbidity
-C: Diffusion
-D: Absorption
Earplugs: C
-A: Aid equalization of the middle of the ear
-B: Protect against cold
-C: Should never be worn while diving
-D: Protect ears from squeeze
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Gauge pressure is defined as: D
-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
Sinus squeeze can be prevented by: D
-A: Valsalva technique
-B: Wearing earplugs
-C: Tilting the divers head back and forth
-D: Not diving with a cold
The event that led to the use of the acronym Demand regulator in 1943
SCUBA to describe diving was:
Development of what and when?
Ear squeeze can be prevented by B
-A: Relaxing
-B: All answers are correct
-C: Never diving with a cold
-D: rotating the jaw, swallowing or Valsalva
The first symptom of a sinus squeeze is D
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
If you experience pain in the ear during A
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
Body heat is lost at a rate of ___ than air. 25-30 times faster
Proper equalization techniques must be D
learned in order to:
-A: prevent sinus squeeze
-B: prevent ear pain
-C: prevent squeeze injuries
-D: all answers are correct
Salt water weighs ___ pounds per cubic foot 64/62.5
and freshwater weighs ___ pounds per cubic
foot.
SSI Open Water Diver Final Exam
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