SSI open water final exam Questions
and Answers 100% Pass
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
1
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,- 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
-Protect ears from squeeze - ✔✔-Should never be worn while diving
Gauge pressure is defined as:
- Hydrostatic pressure minus 1 ata
2
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, - 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
3
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and Answers 100% Pass
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
1
100% Pass Guarantee Katelyn Whitman, All Rights
,- 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
-Protect ears from squeeze - ✔✔-Should never be worn while diving
Gauge pressure is defined as:
- Hydrostatic pressure minus 1 ata
2
100% Pass Guarantee Katelyn Whitman, All Rights
, - 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
3
100% Pass Guarantee Katelyn Whitman, All Rights
