NAUI NITROX DIVER LATEST
FINAL EXAM
What is the best mix? - ANSWERS-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? - ANSWERS-24
NAUI nitrox dive tables have a gas mix tolerance of - ANSWERS-plus
or minus 1%
standard NAUI dive table can be used up to altitudes of about -
ANSWERS-300 m
NAUI RGBM sea level dive tables can be used for altitudes up to -
ANSWERS-610 m
What is the equivalent air depth for a 23 msw dive using EAN 32? -
ANSWERS-18 msw
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1
, NAUI NITROX DIVER LATEST
FINAL EXAM
What is the rule of halves? - ANSWERS-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 -
ANSWERS-10 minutes and 1 hour
If flying or ascending to altitude after diving, wait ______ hours after
single dive and _________ hours after series of dives - ANSWERS-12
and 18
If using NAUI RGBM dive tables, minimum surface interval of what is
required? - ANSWERS-1 hour
Petroleum based lubricants are not used with high pressure oxygen
because - ANSWERS-They may ignite and burn extremely easily
Any equipment that is used with pure oxygen or an oxygen level above
______% must be cleaned for oxygen service - ANSWERS-40
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2
FINAL EXAM
What is the best mix? - ANSWERS-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? - ANSWERS-24
NAUI nitrox dive tables have a gas mix tolerance of - ANSWERS-plus
or minus 1%
standard NAUI dive table can be used up to altitudes of about -
ANSWERS-300 m
NAUI RGBM sea level dive tables can be used for altitudes up to -
ANSWERS-610 m
What is the equivalent air depth for a 23 msw dive using EAN 32? -
ANSWERS-18 msw
END OF
PAGE
1
, NAUI NITROX DIVER LATEST
FINAL EXAM
What is the rule of halves? - ANSWERS-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 -
ANSWERS-10 minutes and 1 hour
If flying or ascending to altitude after diving, wait ______ hours after
single dive and _________ hours after series of dives - ANSWERS-12
and 18
If using NAUI RGBM dive tables, minimum surface interval of what is
required? - ANSWERS-1 hour
Petroleum based lubricants are not used with high pressure oxygen
because - ANSWERS-They may ignite and burn extremely easily
Any equipment that is used with pure oxygen or an oxygen level above
______% must be cleaned for oxygen service - ANSWERS-40
END OF
PAGE
2
