DIVE 2 FINAL EXAM QUESTIONS AND
ANSWERS
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-J.S. Heldane
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 divers goes
to: - Answer-Dr. Morgan Wells
The two most commonly used nitrox mixes, also known as NOAA Nitrox II - Answer-
32% and 36%
NAUI sanctioned enriched air nitrox training in - Answer-1992
Two benefits of diving with nitrox are - Answer-Longer dives and shorter surface
intervals
What does the "x" in the term EANx stand for? - Answer-percent of oxygen in a mix
T/F: A diver suffering from nitrogen narcosis will always be aware that they are impaired
- Answer-False
As a gas is heated in a rigid closed container it's 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 of pressure (hint solubility rule) - Answer-
Henry's Law
The total pressure from all sources is called - Answer-Absolute pressure
The _____________ of a specific gas in a mix is the portion of the total pressure
exerted by that gas. - Answer-partial pressure
The statement "the whole is equal to the sum of the parts" refers to which gas law -
Answer-Dalton's Law
The statement "inhaled air will be denser with an increase in depth" refers to which gas
law? - Answer-Boyle's Law
ANSWERS
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-J.S. Heldane
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 divers goes
to: - Answer-Dr. Morgan Wells
The two most commonly used nitrox mixes, also known as NOAA Nitrox II - Answer-
32% and 36%
NAUI sanctioned enriched air nitrox training in - Answer-1992
Two benefits of diving with nitrox are - Answer-Longer dives and shorter surface
intervals
What does the "x" in the term EANx stand for? - Answer-percent of oxygen in a mix
T/F: A diver suffering from nitrogen narcosis will always be aware that they are impaired
- Answer-False
As a gas is heated in a rigid closed container it's 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 of pressure (hint solubility rule) - Answer-
Henry's Law
The total pressure from all sources is called - Answer-Absolute pressure
The _____________ of a specific gas in a mix is the portion of the total pressure
exerted by that gas. - Answer-partial pressure
The statement "the whole is equal to the sum of the parts" refers to which gas law -
Answer-Dalton's Law
The statement "inhaled air will be denser with an increase in depth" refers to which gas
law? - Answer-Boyle's Law
