SSI Open Water Diver – Section 1-6 Combined Test Questions with Correct Answers

SSI Open Water Diver – Section 1-6 Combined Test Questions with Correct Answers Describing diving with the acronym SCUBA came from what event? - Correct Answer The development of the demand regulator in 1943 The condition in which certain colors are diminished as depth increases is called: - Correct Answer Absorption The greatest relative pressure change in the sea water takes place between _____ and _____ feet. - Correct Answer 0/33 The absolute pressure expressed in terms of atmospheres absolute at 99 feet in salt water is: - Correct Answer 4 ata One atmosphere of pressure is defined as: - Correct Answer - each 33 feet in saltwater - each 34 feet in freshwater - 1 ata Sinus squeeze can be prevented by: - Correct Answer Not diving with a cold Body heat is lost underwater _____ than in air. - Correct Answer 25 to 30 times faster The absolute pressure expressed in terms of atmospheres absolute at 33 feet in salt water is: - Correct Answer 2 ata 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) - Correct Answer 10 cu ft The purpose of equalization is to: - Correct Answer Introduce additional air into body air