SSI Open Water Diver Final Exam Study Guide Section 1 questions with correct answers
Describing diving with the acronym SCUBA came from what event? - Ans - The development of the demand regulator in 1943. Earplugs: - Ans - Should never be worn while diving. If a flexible air-filled container has a volume of 40 cu ft on the surface, what would the volume be at 99 feet in sea water? (rounded off) - Ans - 10 cu Absolute pressure is defined as: - Ans - The total pressure exerted on an object. The greatest relative pressure change in sea water takes place between ____ and ____ feet. - Ans - 0/33 ft One atmosphere of pressure is defined as: - Ans - Each 33 ft of depth in seawater; 34 ft of depth in freshwater; 1 ATA Underwater, the bending of light rays causes objects to appear to be: - Ans - Closer. If you experience pain in your ears during descent: - Ans - Stop the descent and ascend until the pain stops. The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea water is: - Ans - 2 ATA
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ssi open water diver final exam study guide section 1 questions with correct answers
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