Art > QUESTIONS & ANSWERS > SSI OPEN WATER DIVER FINAL EXAM WITH 100% CORRECT ANSWERS (All)
SSI OPEN WATER DIVER FINAL EXAM WITH 100% CORRECT ANSWERS
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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 Correct Answer 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 Correct Answer A The condition in which certain colors are diminished as depth increases is called: -A: Refraction -B: Turbidity -C: Diffusion -D: Absorption Correct Answer 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 Correct Answer 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 Correct Answer 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 Correct Answer D [Show More]
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