ENRICHED AIR NITROX CERTIFICATION
EVALUATION FULL QUESTIONS AND
SOLUTIONS VERIFIED PREPARATION
MATERIAL
●● While diving nitrox, you can improve your safety by:
Answer: Using the no-decompression limits of an air computer or air
tables
●● The Nitrox mixture which can be used at any depth within the
recommended recreational depth limit of 30 meters is:
Answer: EAN32
●● A common misconception is, that compared to air, Nitrox enables
Divers to dive:
Answer: deeper
●● The air that we breathe is approximately:
Answer: 79% nitrogen and 21% oxygen
●● Nitrox and the acronym EANx refer to mixtures with oxygen
concentrations (FO2) higher than:
Answer: 21%
, ●● Which Gas adds a lot of benefits to multi-level Computer Diving?
Answer: Nitrox
●● Is it true, that nitrox is designed for ultra-deep diving?
Answer: No, nitrox has more restrictive depth limitations than air
●● The two most commonly used nitrox mixtures in recreational diving
are:
Answer: EAN32/EAN36
●● Compared to air, nitrox has a higher concentration of:
Answer: Oxygen
●● If you notice symptoms of CNS oxygen toxicity on yourself or your
buddy while underwater, you should immediately begin:
Answer: a controlled ascent together
●● When oxygen becomes toxic to body tissues, it most noticeably and
immediately affects the:
Answer: Lungs and central nervous system
EVALUATION FULL QUESTIONS AND
SOLUTIONS VERIFIED PREPARATION
MATERIAL
●● While diving nitrox, you can improve your safety by:
Answer: Using the no-decompression limits of an air computer or air
tables
●● The Nitrox mixture which can be used at any depth within the
recommended recreational depth limit of 30 meters is:
Answer: EAN32
●● A common misconception is, that compared to air, Nitrox enables
Divers to dive:
Answer: deeper
●● The air that we breathe is approximately:
Answer: 79% nitrogen and 21% oxygen
●● Nitrox and the acronym EANx refer to mixtures with oxygen
concentrations (FO2) higher than:
Answer: 21%
, ●● Which Gas adds a lot of benefits to multi-level Computer Diving?
Answer: Nitrox
●● Is it true, that nitrox is designed for ultra-deep diving?
Answer: No, nitrox has more restrictive depth limitations than air
●● The two most commonly used nitrox mixtures in recreational diving
are:
Answer: EAN32/EAN36
●● Compared to air, nitrox has a higher concentration of:
Answer: Oxygen
●● If you notice symptoms of CNS oxygen toxicity on yourself or your
buddy while underwater, you should immediately begin:
Answer: a controlled ascent together
●● When oxygen becomes toxic to body tissues, it most noticeably and
immediately affects the:
Answer: Lungs and central nervous system
