SSI Open Water Diver Exam LATEST VERSION GRADED UPDATED 2023
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SSI Open Water Diver Exam LATEST VERSION GRADED UPDATED 2023 1. Which of the statements concerning sound transmission underwater is incorrect? -A: Sound will travel farther underwater t... hen 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 a ta -C: 4 a ta -D: 3 a ta - A 3. The condition in which certain colors are diminished as depth increases is called: -A: Refraction -B: Turbidity -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 [Show More]
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