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NAUI Nitrox Diver Exam Questions and
Answers 100% Pass
The ______ in the air you are breathing limits the time you can stay at depth - ANS nitrogen
in the early twentieth century, a quantitative model for nitrogen loading and dive tables were
developed by - ANS John Scott Haldane
we say that nitrogen is an inert gas. this means - ANS our bodies do not use the nitrogen we
breathe
credit for developing and introducing nitrox diving techniques for standard scuba goes to -
ANS Dr. Morgan Wells
NAUI sanctioned enriched air nitrox training in - ANS 1992
two benefits of diving with nitrox are - ANS longer dive times and shorter surface intervals
what does the "x" stand for in the term EANx? - ANS 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 - ANS nitrogen
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, ©FYNDLAY 2025 ALL RIGHTS RESERVED
nitrox is a _____ breathing gas - ANS mid-range
nitrox provides the greatest advantages for dives in the _____ depth range - ANS 15-33 m
(50-110 ft)
as a gas is heated in a rigid closed container its pressure will - ANS increase
"if one quantity of gas will dissolve at one atmosphere of pressure, then three quantities of gas
will dissolve at three atmospheres." this statement refers to which law? - ANS Henry's Law
atmospheric pressure can be measured in many ways. what is one atmosphere in millimeters of
mercury? - ANS 760 mmHg
the ____ of a specific gas in a mix is the portion of the total pressure exerted by that gas -
ANS partial pressure
what is the absolute pressure at 17 msw (56 fsw)? - ANS 2.7 ata
what is the oxygen partial pressure in EAN35 at a depth of 26 msw (85 fsw)? - ANS 1.3 ata
if the oxygen partial pressure in your mix is 1.3 ata at a depth of 37 msw (122 fsw), what is the
fraction of oxygen in the mix? - ANS 0.28
what is the partial pressure of oxygen in air at a depth of 21 msw (69 fsw)? - ANS 0.65 ata
the symptoms of nitrogen narcosis parallel those often seen in - ANS alcohol intoxication
©FYNDLAY 2
NAUI Nitrox Diver Exam Questions and
Answers 100% Pass
The ______ in the air you are breathing limits the time you can stay at depth - ANS nitrogen
in the early twentieth century, a quantitative model for nitrogen loading and dive tables were
developed by - ANS John Scott Haldane
we say that nitrogen is an inert gas. this means - ANS our bodies do not use the nitrogen we
breathe
credit for developing and introducing nitrox diving techniques for standard scuba goes to -
ANS Dr. Morgan Wells
NAUI sanctioned enriched air nitrox training in - ANS 1992
two benefits of diving with nitrox are - ANS longer dive times and shorter surface intervals
what does the "x" stand for in the term EANx? - ANS 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 - ANS nitrogen
©FYNDLAY 1
, ©FYNDLAY 2025 ALL RIGHTS RESERVED
nitrox is a _____ breathing gas - ANS mid-range
nitrox provides the greatest advantages for dives in the _____ depth range - ANS 15-33 m
(50-110 ft)
as a gas is heated in a rigid closed container its pressure will - ANS increase
"if one quantity of gas will dissolve at one atmosphere of pressure, then three quantities of gas
will dissolve at three atmospheres." this statement refers to which law? - ANS Henry's Law
atmospheric pressure can be measured in many ways. what is one atmosphere in millimeters of
mercury? - ANS 760 mmHg
the ____ of a specific gas in a mix is the portion of the total pressure exerted by that gas -
ANS partial pressure
what is the absolute pressure at 17 msw (56 fsw)? - ANS 2.7 ata
what is the oxygen partial pressure in EAN35 at a depth of 26 msw (85 fsw)? - ANS 1.3 ata
if the oxygen partial pressure in your mix is 1.3 ata at a depth of 37 msw (122 fsw), what is the
fraction of oxygen in the mix? - ANS 0.28
what is the partial pressure of oxygen in air at a depth of 21 msw (69 fsw)? - ANS 0.65 ata
the symptoms of nitrogen narcosis parallel those often seen in - ANS alcohol intoxication
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