Scuba, Ssi Open Water Diver Final Exam 2023(Answered)

The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea water is: -A: 2 ata -B:1 ata -C: 4 ata -D: 3 ata {Ans: } A: 2 ataGauge pressure is defined as: -A: Hydrostatic pressure minus 1 ata -B: The pressure at the surface -C: The depth reading on a gauge -D: Absolute pressure minus 1 ata {Ans: } D: Gauge pressure is defined as Absolute pressure minus 1 ataThe first symptom of a sinus squeeze is usually: -A: a dull pain deep within the head -B: a sharp pain at the base of the neck -C: a crushing pain high in the chest -D: a sharp pain above the eyes {Ans: } D: a sharp pain above the eyesIf you experience pain in the ear during descent: -A: Stop the descent and ascend till the pain stops -B: abort the dive -C: place a finger in the ear canal and gently massage the ear until the pain ceases -D: continue the descent while gently exhaling into the mask {Ans: } A: Stop the descent and ascend till the pain stops.Body heat is lost at a rate of ___ than air. {Ans: } 25-30 times fasterProper