2
SSI open water final exam, SSI Open Water Final
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Exam, SSI Open Water Diver Final Exam with precise || || || || || || || || ||
detailed solutions ||
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 - ✔✔-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 - ✔✔2 ata
|| || || || ||
The condition in which certain colors are diminished as depth increases is called:
|| || || || || || || || || || || ||
-Refraction ||
-Turbidity
-Diffusion
-Absorption - ✔✔Absorption || ||
Earplugs ||
-Aid equalization of the middle of the ear
|| || || || || || || ||
- Protect against cold
|| || ||
-Should never be worn while diving || || || || || ||
,2
-Protect ears from squeeze - ✔✔-Should never be worn while diving
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Gauge pressure is defined as: || || || ||
- Hydrostatic pressure minus 1 ata
|| || || || || ||
- The pressure at the surface
|| || || || ||
- The depth reading on a gauge
|| || || || || || ||
- Absolute pressure minus 1 ata - ✔✔- 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 - ✔✔- Not diving with a cold
|| || || || || || || || || || || ||
The event that led to the use of the acronym SCUBA to describe diving was: - ✔✔The
|| || || || || || || || || || || || || || || || ||
development of the demand regulator in 1943 || || || || || ||
Ear squeeze can be prevented by
|| || || || || ||
-Relaxing ||
-All answers are correct
|| || ||
- Never diving with a cold
|| || || || ||
- rotating the jaw, swallowing or Valsalva - ✔✔-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 - ✔✔- a sharp pain above the eyes
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, 2
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 - ✔✔- 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 learned in order to:
|| || || || || || || ||
-prevent sinus squeeze || ||
-prevent ear pain || ||
-prevent squeeze injuries || ||
- all answers are correct - ✔✔- all answers are correct
|| || || || || || || || || ||
Salt water weighs ___ pounds per cubic foot and freshwater weighs ___ pounds per cubic foot. -
|| || || || || || || || || || || || || || || || ||
✔✔64/62.5
Underwater, the bending of light rays causes objects to appear to be: - ✔✔closer || || || || || || || || || || || || ||
The purpose of equalization is to:
|| || || || ||
-ensure the uneven application of pressure between the water and air spaces in the body
|| || || || || || || || || || || || || ||
-prevent water from entering air spaces in the body || || || || || || || || ||
-introduce additional air into body air spaces in response to increasing external pressure
|| || || || || || || || || || || || ||
-remove all fluids from body air spaces - ✔✔-introduce additional air into body air spaces in
|| || || || || || || || || || || || || || || ||
response to increasing external pressure || || || ||
One atmosphere of pressure is defined as
|| || || || || || ||
SSI open water final exam, SSI Open Water Final
|| || || || || || || || ||
Exam, SSI Open Water Diver Final Exam with precise || || || || || || || || ||
detailed solutions ||
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 - ✔✔-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 - ✔✔2 ata
|| || || || ||
The condition in which certain colors are diminished as depth increases is called:
|| || || || || || || || || || || ||
-Refraction ||
-Turbidity
-Diffusion
-Absorption - ✔✔Absorption || ||
Earplugs ||
-Aid equalization of the middle of the ear
|| || || || || || || ||
- Protect against cold
|| || ||
-Should never be worn while diving || || || || || ||
,2
-Protect ears from squeeze - ✔✔-Should never be worn while diving
|| || || || || || || || || ||
Gauge pressure is defined as: || || || ||
- Hydrostatic pressure minus 1 ata
|| || || || || ||
- The pressure at the surface
|| || || || ||
- The depth reading on a gauge
|| || || || || || ||
- Absolute pressure minus 1 ata - ✔✔- 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 - ✔✔- Not diving with a cold
|| || || || || || || || || || || ||
The event that led to the use of the acronym SCUBA to describe diving was: - ✔✔The
|| || || || || || || || || || || || || || || || ||
development of the demand regulator in 1943 || || || || || ||
Ear squeeze can be prevented by
|| || || || || ||
-Relaxing ||
-All answers are correct
|| || ||
- Never diving with a cold
|| || || || ||
- rotating the jaw, swallowing or Valsalva - ✔✔-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 - ✔✔- a sharp pain above the eyes
|| || || || || || || || || || || || || ||
, 2
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 - ✔✔- 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 learned in order to:
|| || || || || || || ||
-prevent sinus squeeze || ||
-prevent ear pain || ||
-prevent squeeze injuries || ||
- all answers are correct - ✔✔- all answers are correct
|| || || || || || || || || ||
Salt water weighs ___ pounds per cubic foot and freshwater weighs ___ pounds per cubic foot. -
|| || || || || || || || || || || || || || || || ||
✔✔64/62.5
Underwater, the bending of light rays causes objects to appear to be: - ✔✔closer || || || || || || || || || || || || ||
The purpose of equalization is to:
|| || || || ||
-ensure the uneven application of pressure between the water and air spaces in the body
|| || || || || || || || || || || || || ||
-prevent water from entering air spaces in the body || || || || || || || || ||
-introduce additional air into body air spaces in response to increasing external pressure
|| || || || || || || || || || || || ||
-remove all fluids from body air spaces - ✔✔-introduce additional air into body air spaces in
|| || || || || || || || || || || || || || || ||
response to increasing external pressure || || || ||
One atmosphere of pressure is defined as
|| || || || || || ||
