SSI Open Water Diver Certification Exam – 150 Practice Questions and Correct Answers / SSI Open Water Diver Practice Test|| LATEST UPDATE 2025/26

SSI Open Water Diver Certification Exam – 150 Practice Questions and Correct Answers / SSI Open Water Diver Practice Test|| LATEST UPDATE 2025/26 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 -CORRECTANSWER 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 -CORRECTANSWER A The condition in which certain colors are diminished as depth increases is called: -A: Refraction -B: Turbidity -C: Diffusion