SSI open water final exam, SSI Open
Water Final Exam, SSI Open Water Diver
Final Exam Questions and Correct Answers/
Latest Update / Already Graded
Which of the statements concerning sound transmission underwater is
incorrect?
-Sound will travel farther underwater then in air
-Divers find it difficult to locate the direction of a sound producing
source
-Divers find it easy to talk to each other directly through water
-Sound travels four times faster underwater than in air
Ans: -Divers find it easy to talk to each other directly through water
The absolute pressure expressed in terms of atmospheres absolute at
33 feet in sea water is:
-2 ata
-1 ata
- 4 ata
- 3 ata
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Ans: 2 ata
The condition in which certain colors are diminished as depth increases
is called:
-Refraction
-Turbidity
-Diffusion
-Absorption
Ans: Absorption
Earplugs
-Aid equalization of the middle of the ear
- Protect against cold
-Should never be worn while diving
-Protect ears from squeeze
Ans: -Should never be worn while diving
Gauge pressure is defined as:
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- Hydrostatic pressure minus 1 ata
- The pressure at the surface
- The depth reading on a gauge
- Absolute pressure minus 1 ata
Ans: - Absolute pressure minus 1 ata
Sinus squeeze can be prevented by:
-Valsalva technique
- Wearing earplugs
- Tilting the divers head back and forth
- Not diving with a cold
Ans: - Not diving with a cold
The event that led to the use of the acronym SCUBA to describe diving
was:
Ans: The development of the demand regulator in 1943
Ear squeeze can be prevented by
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-Relaxing
-All answers are correct
- Never diving with a cold
- rotating the jaw, swallowing or Valsalva
Ans: -All answers are correct
The first symptom of a sinus squeeze is usually:
- a dull pain deep within the head
- a sharp pain at the base of the neck
- a crushing pain high in the chest
- a sharp pain above the eyes
Ans: - a sharp pain above the eyes
If you experience pain in the ear during descent:
-Stop the descent and ascend till the pain stops
- abort the dive
-place a finger in the ear canal and gently massage the ear until the
pain ceases
- continue the descent while gently exhaling into the mask
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