NAUI Nitrox Diver Final Exam 2025/2026 ACTUAL COMPLETE REAL EXAM ELABORATIONS QUESTIONS AND VERIFIED ANSWERS (100% CORRECT ANSWERS) ALREADY GRADED A+ / 2025 NEWEST VERSION!!

NAUI Nitrox Diver Final Exam 2025/2026 ACTUAL COMPLETE REAL EXAM
ELABORATIONS QUESTIONS AND VERIFIED ANSWERS (100% CORRECT
ANSWERS) ALREADY GRADED A+ / 2025 NEWEST VERSION!!




What is the "best mix" to use for an oxygen partial pressure limit
of 1.4 ata on a
dive to 27 msw (90 fsw)? - ANSWER-
EAN38


Standard NAUI Dive Tables can be used for altitudes up to
about: - ANSWER-
300 meters (1000
feet)


NAUI RGBM sea level Dive Tables can be used for altitudes up
to: - ANSWER-
610 meters (2000
feet)


What is the best mix? - ANSWER-the highest percentage of
oxygen that can be
used at the planned dive
depth

,EAN 32, 33 msw, 23 minutes. surface interval: 2 hrs.
second dive: EAN 32, 23 msw, what is his adjusted maximum
dive time? - ANSWER-24


NAUI nitrox dive tables have a gas mix tolerance of - ANSWER-
plus or minus
1%


standard NAUI dive table can be used up to altitudes of about -
ANSWER-300 m


NAUI RGBM sea level dive tables can be used for altitudes up
to - ANSWER-
610
m


What is the equivalent air depth for a 23 msw dive using EAN
32? - ANSWER-
18
msw


What is the rule of halves? - ANSWER-For any no-
decompression dive, end the dive with a two to three minute

, stop at a depth that is half the deepest depth of the dive,
followed by a one minute stop at 3-6 m


Required surface interval, and recommended minimum
surface interval -
ANSWER-10 minutes and
1 hour


If flying or ascending to altitude after diving, wait ______ hours
after single dive
and _________ hours after series of dives -
ANSWER-12 and 18


If using NAUI RGBM dive tables, minimum surface interval of
what is required?
- ANSWER-1
hour


Petroleum based lubricants are not used with high pressure
oxygen because -
ANSWER-They may ignite and burn
extremely easily