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NAUI Nitrox Diver Exam Questions And Accurate Answers
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NAUI Nitrox Diver Exam Questions And Accurate Answersthe ______ in the air you are breathing limits the time you can stay at depth - Answer
nitrogen
in the early twentieth century, a quantitative model for nitrogen loading and dive tables
were developed by - Answer John Scott Haldane
we say that nitrogen is an inert gas. this means - Answer our bodies do not use the
nitrogen we breathe
credit for developing and introducing nitrox diving techniques for standard scuba goes
to - Answer Dr. Morgan Wells
NAUI sanctioned enriched air nitrox training in - Answer 1992
two benefits of diving with nitrox are - Answer longer dive times and shorter surface
intervals
what does the "x" stand for in the term EANx? - Answer the percentage of oxygen in the
mix
in 1878, Paul Bert established that____, liberated as bubbles following sudden
decompression was the cause of decompression sickeness - Answer nitrogen
nitrox is a _____ breathing gas - Answer mid-range
nitrox provides the greatest advantages for dives in the _____ depth range - Answer
15-33 m (50-110 ft)
, as a gas is heated in a rigid closed container its pressure will - Answer increase
"if one amount of gas will dissolve at one atmosphere of pressure, then three amounts of
gas will dissolve at three atmospheres." this is the definition of what law? - Answer
Henry's Law
atmospheric pressure can be measured in many ways. how many millimeters of mercury
does one atmosphere equal? - Answer 760 mmHg
the ____ of a particular gas in a mixture is the fraction of the total pressure contributed
by that gas - Answer partial pressure
what is the absolute pressure at 17 msw (56 fsw)? - Answer 2.7 ata
what is the po2 in EAN35 at 26 msw (85 fsw)? - Answer 1.3 ata
If the PO2 in your mix is 1.3 ata at a depth of 37 msw (122 fsw), what is the fraction of
oxygen in the mix? - Answer 0.28
what is the partial pressure of oxygen in air at a depth of 21 msw (69 fsw)? - Answer 0.65
ata
the symptoms of nitrogen narcosis parallel those often seen in - Answer alcohol
intoxication
____law states: "at constant temperature, the volume of a gas varies inversely with
absolute pressure, while the density of a gas varies directly with absolute pressure." -
Answer Boyle's
for
each 10 meters (33 feet) that you descend in the ocean adds another atmosphere of
pressure to the one atmosphere of surface pressure - Answer true
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