ENRICHED AIR NITROX COMPREHENSIVE ALL
QUESTIONS AND ANSWERS SURE A+
✔✔You need a gas source to properly calibrate your O2 Analyzer, and this gas source
should be: - ✔✔All answers are correct: pure oxygen, pure air source, or another gas
source.
✔✔If silicone lubricants, used to service first and second stages, are exposed to high
concentrations of Oxygen under pressure, this can cause: - ✔✔Fire and Explosion
✔✔If scuba equipment, valves and cylinders are exposed to pure oxygen, they have to
be: - ✔✔O2 clean and O2 service rated
✔✔Every nitrox cylinder must be clearly labeled with a contents tag that includes the
following information: - ✔✔FO2 content, MOD, who analyzed, date
✔✔O2 sensors are sensitive to changes in atmospheric pressure and moisture, the
analysis of the same gas will show you: - ✔✔Slightly different reading
✔✔Which rules and regulations do you have to follow if you want to use your equipment
with Nitrox? - ✔✔Manufacturers specifications, local laws and regulations
✔✔Diving with nitrox reduces the exposure to nitrogen, therefore you can`t get
decompression sickness while diving nitrox. Right or Wrong? - ✔✔Wrong
✔✔According to the SSI CNS Clock table you have two different CNS Clock limits. One
for a single dive, and one for a 24 hr period. These limits are for an ppO2 of 1.4 bar: -
✔✔150 mins single dive / 180 mins 24 hrs
✔✔If you experience a computer failure underwater, you should: - ✔✔Signal your
buddy, and ascend with them while they monitor your ascent on their computer; Do not
QUESTIONS AND ANSWERS SURE A+
✔✔You need a gas source to properly calibrate your O2 Analyzer, and this gas source
should be: - ✔✔All answers are correct: pure oxygen, pure air source, or another gas
source.
✔✔If silicone lubricants, used to service first and second stages, are exposed to high
concentrations of Oxygen under pressure, this can cause: - ✔✔Fire and Explosion
✔✔If scuba equipment, valves and cylinders are exposed to pure oxygen, they have to
be: - ✔✔O2 clean and O2 service rated
✔✔Every nitrox cylinder must be clearly labeled with a contents tag that includes the
following information: - ✔✔FO2 content, MOD, who analyzed, date
✔✔O2 sensors are sensitive to changes in atmospheric pressure and moisture, the
analysis of the same gas will show you: - ✔✔Slightly different reading
✔✔Which rules and regulations do you have to follow if you want to use your equipment
with Nitrox? - ✔✔Manufacturers specifications, local laws and regulations
✔✔Diving with nitrox reduces the exposure to nitrogen, therefore you can`t get
decompression sickness while diving nitrox. Right or Wrong? - ✔✔Wrong
✔✔According to the SSI CNS Clock table you have two different CNS Clock limits. One
for a single dive, and one for a 24 hr period. These limits are for an ppO2 of 1.4 bar: -
✔✔150 mins single dive / 180 mins 24 hrs
✔✔If you experience a computer failure underwater, you should: - ✔✔Signal your
buddy, and ascend with them while they monitor your ascent on their computer; Do not
