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NAUI Nitrox Diver exam with solutions

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NAUI Nitrox Diver exam with solutions

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NAUI Nitrox Diver exam with solutions|\ |\ |\ |\ |\




In 1878, Paul Bert established that _____, liberated as
|\ |\ |\ |\ |\ |\ |\ |\ |\



bubbles following sudden decompression was the cause
|\ |\ |\ |\ |\ |\ |\



of decompression sickness. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\



✔✔Nitrogen


Nitrox is a _____ breathing gas. - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\ |\



✔✔Mid-Range


Nitrox provides the greatest advantages for dives in the
|\ |\ |\ |\ |\ |\ |\ |\ |\



_____ depth range. - CORRECT ANSWERS ✔✔15-33m (50-
|\ |\ |\ |\ |\ |\ |\



110ft)


As a gas is heated in a rigid closed container its pressure
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



will: - CORRECT ANSWERS ✔✔Increase
|\ |\ |\ |\




If one quantity of gas will dissolve at one atmosphere of
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



pressure, then three quantities of gas will dissolve at
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three atmospheres." This statement refers to which law? -
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CORRECT ANSWERS ✔✔Henry's Law
|\ |\ |\ |\

, Atmospheric pressure can be measured in many ways. |\ |\ |\ |\ |\ |\ |\ |\



What is one atmosphere in millimeters of mercury? -
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CORRECT ANSWERS ✔✔760mmHg |\ |\




The _____________ of a specific gas in a mix is the portion
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



of the total pressure exerted by that gas. - CORRECT
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\



ANSWERS ✔✔Partial Pressure |\ |\




What is the absolute pressure at 17 msw (56 fsw)? -
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CORRECT ANSWERS ✔✔2.7 ata |\ |\ |\




What is the oxygen partial pressure (PO2) in EAN35 at a
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\ |\



depth of 26 msw (85 fsw)? - CORRECT ANSWERS ✔✔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? - CORRECT ANSWERS ✔✔.28
|\ |\ |\ |\ |\ |\ |\




What is the partial pressure of oxygen in air at a depth of
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21 msw (69 fsw)? - CORRECT ANSWERS ✔✔.65 ata
|\ |\ |\ |\ |\ |\ |\ |\




The symptoms of nitrogen narcosis parallel those often
|\ |\ |\ |\ |\ |\ |\ |\



seen in _____. - CORRECT ANSWERS ✔✔Alcohol
|\ |\ |\ |\ |\ |\ |\



Intoxication

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