SSI Open Water Diver Final Exam
Questions and Correct Answers/ Latest
Update / Already Graded
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
Ans: 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
,Ans: A
The condition in which certain colors are diminished as depth increases
is called:
-A: Refraction
-B: Turbidity -C:
Diffusion
-D: Absorption
Ans: D
Earplugs:
-A: Aid equalization of the middle of the ear
-B: Protect against cold
-C: Should never be worn while diving
-D: Protect ears from squeeze
Ans: 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
Ans: 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
Ans: D
The event that led to the use of the acronym SCUBA to describe diving
was:
Development of what and when?
Questions and Correct Answers/ Latest
Update / Already Graded
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
Ans: 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
,Ans: A
The condition in which certain colors are diminished as depth increases
is called:
-A: Refraction
-B: Turbidity -C:
Diffusion
-D: Absorption
Ans: D
Earplugs:
-A: Aid equalization of the middle of the ear
-B: Protect against cold
-C: Should never be worn while diving
-D: Protect ears from squeeze
Ans: 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
Ans: 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
Ans: D
The event that led to the use of the acronym SCUBA to describe diving
was:
Development of what and when?
