SSI SCUBA Open Water Diving Certification Questions and Answers Rated A+

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The purpose of equalization is to ✔✔Introduce additional air into body air spaces in response to increasing external pressure Body heat is lost ________ than in air ✔✔25 to 30 times faster ... The absolute pressure expressed in terms of atmospheres absolute at 99 feet in salt water ✔✔4 ata One atmosphere of pressure is defined as ✔✔- Each 34 feet of depth in freshwater - 1 ata - Each 33 feet of depth in sea water Describing diving with the acronym SCUBA came from what event? ✔✔The development of the demand regulator in 1943 Sinus squeeze can be prevented by ✔✔Not diving with a cold The greatest relative pressure change in sea water takes place between ___ and ___ feet ✔✔0 and 33 Underwater, the bending of light rays causes objects to appear to be: ✔✔closer Ear squeeze can be prevented by: ✔✔- Relaxing - Never diving with a cold - Rotating the jaw [Show More]

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