NAUI Nitrox Diver Exam Questions and Answers
NAUI Nitrox Diver Exam Questions and
Answers
Question 1
the ______ in the air you are breathing limits the time you can stay at depth
Correct Answer
nitrogen
Question 2
in the early twentieth century, a quantitative model for nitrogen loading and dive
tables were developed by
Correct Answer
John Scott Haldane
Question 3
we say that nitrogen is an inert gas. this means
Correct 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
Correct Answer
Dr. Morgan Wells
Question 5
NAUI sanctioned enriched air nitrox training in
Correct Answer
1992
Page 1 of 13
, NAUI Nitrox Diver Exam Questions and Answers
Question 6
two benefits of diving with nitrox are
Correct Answer
longer dive times and shorter surface intervals
Question 7
what does the "x" stand for in the term EANx?
Correct 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
Correct Answer
nitrogen
Question 9
nitrox is a _____ breathing gas
Correct Answer
mid-range
Question 10
nitrox provides the greatest advantages for dives in the _____ depth range
Correct Answer
15-33 m (50-110 ft)
Question 11
as a gas is heated in a rigid closed container its pressure will
Correct Answer
increase
Page 2 of 13
NAUI Nitrox Diver Exam Questions and
Answers
Question 1
the ______ in the air you are breathing limits the time you can stay at depth
Correct Answer
nitrogen
Question 2
in the early twentieth century, a quantitative model for nitrogen loading and dive
tables were developed by
Correct Answer
John Scott Haldane
Question 3
we say that nitrogen is an inert gas. this means
Correct 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
Correct Answer
Dr. Morgan Wells
Question 5
NAUI sanctioned enriched air nitrox training in
Correct Answer
1992
Page 1 of 13
, NAUI Nitrox Diver Exam Questions and Answers
Question 6
two benefits of diving with nitrox are
Correct Answer
longer dive times and shorter surface intervals
Question 7
what does the "x" stand for in the term EANx?
Correct 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
Correct Answer
nitrogen
Question 9
nitrox is a _____ breathing gas
Correct Answer
mid-range
Question 10
nitrox provides the greatest advantages for dives in the _____ depth range
Correct Answer
15-33 m (50-110 ft)
Question 11
as a gas is heated in a rigid closed container its pressure will
Correct Answer
increase
Page 2 of 13