SSI SCUBA Open Water Diving Certification Questions with Correct Answers

SSI SCUBA Open Water Diving Certification Questions with Correct Answers The purpose of equalization is to - Correct Answer Introduce additional air into body air spaces in response to increasing external pressure Body heat is lost ________ than in air - Correct Answer 25 to 30 times faster The absolute pressure expressed in terms of atmospheres absolute at 99 feet in salt water - Correct Answer 4 ata One atmosphere of pressure is defined as - Correct Answer - 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? - Correct Answer The development of the demand regulator in 1943 Sinus squeeze can be prevented by - Correct Answer Not diving with a cold The greatest relative pressure change in sea water takes place between ___ and ___ feet - Correct Answer 0 and 33 Underwater, the bending of light rays causes objects to appear to be: - Correct Answer closer Ear squeeze can be prevented by: - Correct Answer - Relaxing - Never diving with a cold