NAUI Nitrox Diver Exam Questions And
Accurate Answers A+ Graded
the ______ 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 quantity of gas will dissolve at one atmosphere of pressure, then three quantities
of gas will dissolve at three atmospheres." which is the law by name this statement
describes? - ANSWER Henry's Law
atmospheric pressure can be measured lots of ways. how many mmHg are in one
atmosphere? - 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 oxygen partial pressure in EAN35 at a depth of 26 msw (85 fsw)? - ANSWER
1.3 ata
If the partial pressure of oxygen in your mix is 1.3 ata at 37 msw, what is the fraction of
oxygen in the mix? - ANSWER 0.28
What is the partial pressure of oxygen in air at 21 msw? - 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
Accurate Answers A+ Graded
the ______ 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 quantity of gas will dissolve at one atmosphere of pressure, then three quantities
of gas will dissolve at three atmospheres." which is the law by name this statement
describes? - ANSWER Henry's Law
atmospheric pressure can be measured lots of ways. how many mmHg are in one
atmosphere? - 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 oxygen partial pressure in EAN35 at a depth of 26 msw (85 fsw)? - ANSWER
1.3 ata
If the partial pressure of oxygen in your mix is 1.3 ata at 37 msw, what is the fraction of
oxygen in the mix? - ANSWER 0.28
What is the partial pressure of oxygen in air at 21 msw? - 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
