SSI Open Water Diver Final Exam 2022 Graded A+

SSI Open Water Diver Final Exam




1. 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

2. 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

3. The condition in which certain colors are diminished as depth
increases is called:


-A: Refraction
-B: Turbidity

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, -C: Diffusion
-D: Absorption: D

4. 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: C

5. 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

6. Sinus squeeze can be prevented by:


-A: Valsalva technique
-B: Wearing earplugs




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