2
SSI Open Water Diver Final Exam with precise
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detailed solutions ||
Which of the statements concerning sound transmission underwater is incorrect?
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-A: Sound will travel farther underwater then in air
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-B: Divers find it difficult to locate the direction of a sound producing source
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-C: Divers find it easy to talk to each other directly through water
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-D: Sound travels four times faster underwater than in air - ✔✔C
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The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea water is:
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-A: 2 ata
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-B:1 ata ||
-C: 4 ata
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-D: 3 ata - ✔✔A
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The condition in which certain colors are diminished as depth increases is called:
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-A: Refraction
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-B: Turbidity
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-C: Diffusion
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-D: Absorption - ✔✔D
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Earplugs: ||
-A: Aid equalization of the middle of the ear
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, 2
-B: Protect against cold
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-C: Should never be worn while diving
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-D: Protect ears from squeeze - ✔✔C
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Gauge pressure is defined as:
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-A: Hydrostatic pressure minus 1 ata
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-B: The pressure at the surface
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-C: The depth reading on a gauge
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-D: Absolute pressure minus 1 ata - ✔✔D
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Sinus squeeze can be prevented by:
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-A: Valsalva technique
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-B: Wearing earplugs
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-C: Tilting the divers head back and forth
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-D: Not diving with a cold - ✔✔D
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The event that led to the use of the acronym SCUBA to describe diving was:
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Development of what and when? - ✔✔Demand regulator in 1943 || || || || || || || || ||
Ear squeeze can be prevented by
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-A: Relaxing
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-B: All answers are correct
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-C: Never diving with a cold
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SSI Open Water Diver Final Exam with precise
|| || || || || || || ||
detailed solutions ||
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 - ✔✔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 - ✔✔A
|| || || ||
The condition in which certain colors are diminished as depth increases is called:
|| || || || || || || || || || || ||
-A: Refraction
|| ||
-B: Turbidity
||
-C: Diffusion
||
-D: Absorption - ✔✔D
|| || ||
Earplugs: ||
-A: Aid equalization of the middle of the ear
|| || || || || || || || ||
, 2
-B: Protect against cold
|| || ||
-C: Should never be worn while diving
|| || || || || || ||
-D: Protect ears from squeeze - ✔✔C
|| || || || || ||
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
|| || || || || || ||
Sinus squeeze can be prevented by:
|| || || || ||
-A: Valsalva technique
|| || ||
-B: Wearing earplugs
|| || ||
-C: Tilting the divers head back and forth
|| || || || || || || ||
-D: Not diving with a cold - ✔✔D
|| || || || || || ||
The event that led to the use of the acronym SCUBA to describe diving was:
|| || || || || || || || || || || || || ||
Development of what and when? - ✔✔Demand regulator in 1943 || || || || || || || || ||
Ear squeeze can be prevented by
|| || || || || ||
-A: Relaxing
|| ||
-B: All answers are correct
|| || || ||
-C: Never diving with a cold
|| || || || ||
