NAUI Nitrox questions with verified detailed solutions || || || || || ||
The nitrogen in the air you are breathing limits what? - ✔✔The nitrogen in the air
|| || || || || || || || || || || || || || || ||
limits the depth to which you can dive, the same time you can stay at depth, and the
|| || || || || || || || || || || || || || || || || ||
number of dives you can make in a day.
|| || || || || || || ||
What are the several names given to the gas mixture that is higher in oxygen and
|| || || || || || || || || || || || || || || ||
lower in nitrogen? - ✔✔Oxygen-Enriched Air,
|| || || || ||
Enriched Air Nitrox, || ||
Nitrox
When diving, what causes the additional nitrogen to be dissolved in our tissues? -
|| || || || || || || || || || || || || ||
✔✔When diving, the increased pressure of depth causes additional nitrogen to be
|| || || || || || || || || || || ||
dissolved in our tissues. || || ||
In 1878, Paul Bert established that nitrogen, liberated as bubbles following sudden
|| || || || || || || || || || || ||
decompression, was the cause of what? - ✔✔Decompression sickness || || || || || || || ||
Credit for developing and introducing nitrox diving techniques for standard scuba
|| || || || || || || || || || ||
goes to whom? - ✔✔Dr. Morgan Wells
|| || || || || ||
In what year did NAUI officially endorse nitrox training by NAUI instructors? -
|| || || || || || || || || || || || ||
✔✔1992
List 4 advantages of using nitrox - ✔✔Extend bottom time
|| || || || || || || || ||
Shorten required surface interval|| || ||
Safety margin ||
, Less physically tired (fatigue)
|| || ||
Nitrox provides the greatest advantages for dives in what depth range? - ✔✔15-33
|| || || || || || || || || || || || ||
meter (50-100 foot) depth range || || || ||
The "x" in EANx is often replaced with what? - ✔✔Oxygen percentage
|| || || || || || || || || || ||
What compares the quantity of the component gas to a total of 100? What compares it
|| || || || || || || || || || || || || || ||
to 1? - ✔✔Percentage.
|| || || || ||
Fraction.
Each of the individual components in a gas mixture will exert its chemical or physical
|| || || || || || || || || || || || || || ||
effects independently, according to what? - ✔✔Its proportion in the mixture
|| || || || || || || || || ||
Oxygen is what percentage of atmospheric air? || || || || || ||
Nitrogen? - ✔✔21%; || ||
79%
The symptoms of nitrogen narcosis parallel those often seen in what? - ✔✔Alcohol
|| || || || || || || || || || || || ||
intoxication
If we heat a gas, we are adding _________, increasing the speed of the molecules
|| || || || || || || || || || || || || || ||
and the force of the impacts - ✔✔Energy
|| || || || || || ||
Which law states: "At a constant temperature, the volume of a gas varies inversely
|| || || || || || || || || || || || || ||
with absolute pressure, while the density of a gas varies inversely with absolute
|| || || || || || || || || || || || ||
pressure?" - ✔✔Boyle's Law || || ||
The nitrogen in the air you are breathing limits what? - ✔✔The nitrogen in the air
|| || || || || || || || || || || || || || || ||
limits the depth to which you can dive, the same time you can stay at depth, and the
|| || || || || || || || || || || || || || || || || ||
number of dives you can make in a day.
|| || || || || || || ||
What are the several names given to the gas mixture that is higher in oxygen and
|| || || || || || || || || || || || || || || ||
lower in nitrogen? - ✔✔Oxygen-Enriched Air,
|| || || || ||
Enriched Air Nitrox, || ||
Nitrox
When diving, what causes the additional nitrogen to be dissolved in our tissues? -
|| || || || || || || || || || || || || ||
✔✔When diving, the increased pressure of depth causes additional nitrogen to be
|| || || || || || || || || || || ||
dissolved in our tissues. || || ||
In 1878, Paul Bert established that nitrogen, liberated as bubbles following sudden
|| || || || || || || || || || || ||
decompression, was the cause of what? - ✔✔Decompression sickness || || || || || || || ||
Credit for developing and introducing nitrox diving techniques for standard scuba
|| || || || || || || || || || ||
goes to whom? - ✔✔Dr. Morgan Wells
|| || || || || ||
In what year did NAUI officially endorse nitrox training by NAUI instructors? -
|| || || || || || || || || || || || ||
✔✔1992
List 4 advantages of using nitrox - ✔✔Extend bottom time
|| || || || || || || || ||
Shorten required surface interval|| || ||
Safety margin ||
, Less physically tired (fatigue)
|| || ||
Nitrox provides the greatest advantages for dives in what depth range? - ✔✔15-33
|| || || || || || || || || || || || ||
meter (50-100 foot) depth range || || || ||
The "x" in EANx is often replaced with what? - ✔✔Oxygen percentage
|| || || || || || || || || || ||
What compares the quantity of the component gas to a total of 100? What compares it
|| || || || || || || || || || || || || || ||
to 1? - ✔✔Percentage.
|| || || || ||
Fraction.
Each of the individual components in a gas mixture will exert its chemical or physical
|| || || || || || || || || || || || || || ||
effects independently, according to what? - ✔✔Its proportion in the mixture
|| || || || || || || || || ||
Oxygen is what percentage of atmospheric air? || || || || || ||
Nitrogen? - ✔✔21%; || ||
79%
The symptoms of nitrogen narcosis parallel those often seen in what? - ✔✔Alcohol
|| || || || || || || || || || || || ||
intoxication
If we heat a gas, we are adding _________, increasing the speed of the molecules
|| || || || || || || || || || || || || || ||
and the force of the impacts - ✔✔Energy
|| || || || || || ||
Which law states: "At a constant temperature, the volume of a gas varies inversely
|| || || || || || || || || || || || || ||
with absolute pressure, while the density of a gas varies inversely with absolute
|| || || || || || || || || || || || ||
pressure?" - ✔✔Boyle's Law || || ||
