SSI Open Water Diver Exam
Gauge pressure is defined as: - Answer- Absolute pressure minus 1 ata
Underwater, the bending of light causes objects to: - Answer- Appear closer
Absolute pressure is defined as: - Answer- Total pressure exerted on an object
Describing SCUBA came from what event? - Answer- Development of the demand regulator in 1943 If you experience pain in your ears during decent? - Answer- Stop the decent and ascend until the pain stops The condition in which certain colors are diminished at depth? - Answer- Absorption Ear squeeze can be prevented by? - Answer- Rotating the jaw, swallowing, valsalva Relaxing Never diving with a cold The first sign of a sinus squeeze? - Answer- Crushing, wedging pain between the eyes The SSI equipment service program is designed to? - Answer- Keep all of the components of the total diving system to optimal performance The three primary features to look for in an exposure system are? - Answer- Thickness, fit, seam integrity The most efficient breathing pattern for SCUBA is? - Answer- A deep balanced inhalation followed by a balanced exhalation with no pauses in between During normal diving conditions, never exceed an ascent rate of? - Answer- 30 feet per minute The purpose of the BC is to? - Answer- Control ascent and descent rates Provide surface flotation Maintain neutral buoyancy Under the SSI equipment service program, your delivery system should be serviced every? - Answer- Every year A SCUBA cylinder must be hydrostatically tested every: - Answer- Within fixed intervals set by local law
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