SCUBA Dive SSI Final Test Questions and Answers Rated A+
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Course
Ssi scuba
Institution
Ssi Scuba
SCUBA Dive SSI Final Test Questions
and Answers Rated A+
Describing diving with the acronym SCUBA came from what event? The development of the
demand regulator in 1943
One atmosphere of pressure is defined as: all correct:
-1 ata
-Each 34 feet of depth in freshwater
-Each 33 feet of depth ...
SCUBA Dive SSI Final Test Questions and Answers Rated A+ Describing diving with the acronym SCUBA came from what event? ✔✔The development of the demand regulator in 1943 One atmosphere of pressure is defined as: ✔✔all correct: -1 ata -Each 34 feet of depth in freshwater -Each 33 feet of depth in sea water Ear squeeze can be prevented by: ✔✔All answers are correct -Never diving with a cold -Rotating the jaw, swallowing or Valsalva -Relaxing Sinus squeeze can be prevented by: ✔✔not diving with a cold The underwater bending of light rays makes objects appear ✔✔closer The greatest relative pressure change in sea water takes place between ____ a nd ____ feet . ✔✔0/33 Gauge pressure is defined as: ✔✔Absolute pressure minus 1 ata earplugs should: ✔✔never be worn while diving Body heat is lost underwater ___ than in air. ✔✔25 to 30 times faster The absolute pressure expressed in terms of atmospher es absolute at 33 feet in sea water is: ✔✔2 ata Which of the statements concerning sound transmission underwater is correct? ✔✔all answers are correct -travels farther -4x faster -hard to know which direction The first symptom of a sinus squeeze is usually: ✔✔a sharp pain or wedging sensation above the eyes 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) ✔✔10 cu ft The most efficient breathing pattern for scuba diving is: ✔✔A deep balanced inhalation followed by a long balanced exhalation without any pause between inhaling and exhaling A scuba cylinder must be hydrostatically tested: ✔✔Within fixed intervals set by loc al law During normal diving activities, divers should never exceed an ascent rate of __ feet per minute. ✔✔30 A scuba tank for recreational diving should be filled with: ✔✔Pure, filtered compressed air or Nitrox Assuming a consistent air consumption rat e, diving at a pressure of 4 ata will use __ as much air as diving at 2 ata. ✔✔2 times
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