SSI Open Water Diver Final Exam | 2025/2026
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Terms in this set (53)
Which of the statements -Divers find it easy to talk to each other directly
concerning sound through water
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
, The absolute pressure 2 ata
expressed in terms of
atmospheres absolute at
33 feet in sea water is:
-2 ata
-1 ata
- 4 ata
- 3 ata
The condition in which Absorption
certain colors are
diminished as depth
increases is called:
-Refraction
-Turbidity
-Diffusion
-Absorption
Earplugs -Should never be worn while diving
-Aid equalization of the
middle of the ear
- Protect against cold
-Should never be worn
while diving
-Protect ears from
squeeze
Gauge pressure is defined - Absolute pressure minus 1 ata
as:
- Hydrostatic pressure
minus 1 ata
- The pressure at the
surface
- The depth reading on a
gauge
- Absolute pressure minus
1 ata
Edition | Verified Exam Questions with Correct
Answers
Save
Terms in this set (53)
Which of the statements -Divers find it easy to talk to each other directly
concerning sound through water
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
, The absolute pressure 2 ata
expressed in terms of
atmospheres absolute at
33 feet in sea water is:
-2 ata
-1 ata
- 4 ata
- 3 ata
The condition in which Absorption
certain colors are
diminished as depth
increases is called:
-Refraction
-Turbidity
-Diffusion
-Absorption
Earplugs -Should never be worn while diving
-Aid equalization of the
middle of the ear
- Protect against cold
-Should never be worn
while diving
-Protect ears from
squeeze
Gauge pressure is defined - Absolute pressure minus 1 ata
as:
- Hydrostatic pressure
minus 1 ata
- The pressure at the
surface
- The depth reading on a
gauge
- Absolute pressure minus
1 ata
