8/23/2023 0 Comments Padi open water diver final examD: Absorption - ✔D Earplugs: -A: Aid equalization of the middle of the ear -B: Protect against cold -C: Should never be worn while diving D: 3 ata - ✔A The condition in which certain colors are diminished as depth increases is called: -A: Refraction -B: Turbidity -C: Diffusion D: Sound travels four times faster underwater than in air - ✔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 SSI Open Water Diver Final Exam 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
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