Naui Nitrox Diver Updated Actual Questions With Correct Answers

NAUI Nitrox Diver UPDATED ACTUAL QUESTIONS
WITH CORRECT ANSWERS

Question 1.
the ______ in the air you are breathing limits the time you can stay at depth

ANSWER
nitrogen



Question 2.
in the early twentieth century, a quantitative model for nitrogen loading and dive tables were
developed by

ANSWER
John Scott Haldane



Question 3.
we say that nitrogen is an inert gas. this means

ANSWER
our bodies do not use the nitrogen we breathe



Question 4.
credit for developing and introducing nitrox diving techniques for standard scuba goes to

ANSWER
Dr. Morgan Wells



Question 5.
NAUI sanctioned enriched air nitrox training in

ANSWER
1992






, Question 6.
two benefits of diving with nitrox are

ANSWER
longer dive times and shorter surface intervals



Question 7.
what does the "x" stand for in the term EANx?

ANSWER
the percentage of oxygen in the mix



Question 8.
in 1878, Paul Bert established that_____, liberated as bubbles following sudden decompression was the
cause of decompression sickeness

ANSWER
nitrogen



Question 9.
nitrox is a _____ breathing gas

ANSWER
mid-range



Question 10.
nitrox provides the greatest advantages for dives in the _____ depth range

ANSWER
15-33 m (50-110 ft)



Question 11.
as a gas is heated in a rigid closed container its pressure will

ANSWER
increase