SDI Computer Nitrox Exam Questions And Accurate
Answers 2024-2025
True - Answer True or False. Oxygen Enriched Air is one term some divers use to refer
to Nitrox.
Nitrogen and Oxygen - Answer The air we usually breath is mainly composed of:
Enriched Air, Enriched Air Nitrox, Nitrox, Etc. - Answer A mix of nitrogen and oxygen in
which the percentage of oxygen is higher than that in air is normally called:
Blender - Answer Who manufactures the Nitrox that is used to fill scuba cylinders?
EAN21 - Answer Which of the following is not a Nitrox mix? EAN24, EAN21, EAN40
Longer bottom times and shorter surface intervals - Answer The two main advantages of
diving with Nitrox are:
150 Minutes or 2.5 hours - Answer Within a 24-hour time frame, you can expose yourself
to a Nitrox mixture at its MOD for a maximum of:
False - Answer True or False. Dive computers work by monitoring the presences of
so-called 'silent bubbles using ultrasound.
You may not be able to make a direct ascent to the surface without substantially
increasing your risk of decompression sickness and your dive computer may require
you to make a series of decompression stops - Answer What may happen if you go too
deep or stay too long?
, Stopping at fixed depth for a specified period of time to allow excess nitrogen to exit you
body more slowly - Answer A decompression stop is:
Specialized training, Additional equipment, and Topside support - Answer To properly
engage in decompression diving requires:
Nitrogen, ascend - Answer Decompression sickness usually occurs when you have an
excess amount of __________ in your body and you ________ too quickly.
Pain in joints, Numbness and paralysis, Loss of balance - Answer The most common
symptoms of decompression sickness may include but are not limited to:
Administration of pure oxygen - Answer The most important first-aid procedure to be
carried out for a suspected diver suffering from decompression sickness is:
Hyperbaric chamber recompression - Answer When a suspected victim of
decompression sickness is delivered to a medical treatment facility, appropriate
therapy will mostly consist of:
16 percent - Answer The lowest percentage of the oxygen that can be used at sea level
to support consciousness is:
40 percent - Answer In Nitrox, sport divers shall not exceed this percent of Oxygen:
6 m/20 ft - Answer What is the maximum recommended depth where 100 percent oxygen
may be used?
In which the Fraction of Oxygen (FO2) is 32 percent - Answer What does the term EAN32
mean regarding a Nitrox mixture:
40 m/132 ft - Answer What is the MOD for EAN32?
Answers 2024-2025
True - Answer True or False. Oxygen Enriched Air is one term some divers use to refer
to Nitrox.
Nitrogen and Oxygen - Answer The air we usually breath is mainly composed of:
Enriched Air, Enriched Air Nitrox, Nitrox, Etc. - Answer A mix of nitrogen and oxygen in
which the percentage of oxygen is higher than that in air is normally called:
Blender - Answer Who manufactures the Nitrox that is used to fill scuba cylinders?
EAN21 - Answer Which of the following is not a Nitrox mix? EAN24, EAN21, EAN40
Longer bottom times and shorter surface intervals - Answer The two main advantages of
diving with Nitrox are:
150 Minutes or 2.5 hours - Answer Within a 24-hour time frame, you can expose yourself
to a Nitrox mixture at its MOD for a maximum of:
False - Answer True or False. Dive computers work by monitoring the presences of
so-called 'silent bubbles using ultrasound.
You may not be able to make a direct ascent to the surface without substantially
increasing your risk of decompression sickness and your dive computer may require
you to make a series of decompression stops - Answer What may happen if you go too
deep or stay too long?
, Stopping at fixed depth for a specified period of time to allow excess nitrogen to exit you
body more slowly - Answer A decompression stop is:
Specialized training, Additional equipment, and Topside support - Answer To properly
engage in decompression diving requires:
Nitrogen, ascend - Answer Decompression sickness usually occurs when you have an
excess amount of __________ in your body and you ________ too quickly.
Pain in joints, Numbness and paralysis, Loss of balance - Answer The most common
symptoms of decompression sickness may include but are not limited to:
Administration of pure oxygen - Answer The most important first-aid procedure to be
carried out for a suspected diver suffering from decompression sickness is:
Hyperbaric chamber recompression - Answer When a suspected victim of
decompression sickness is delivered to a medical treatment facility, appropriate
therapy will mostly consist of:
16 percent - Answer The lowest percentage of the oxygen that can be used at sea level
to support consciousness is:
40 percent - Answer In Nitrox, sport divers shall not exceed this percent of Oxygen:
6 m/20 ft - Answer What is the maximum recommended depth where 100 percent oxygen
may be used?
In which the Fraction of Oxygen (FO2) is 32 percent - Answer What does the term EAN32
mean regarding a Nitrox mixture:
40 m/132 ft - Answer What is the MOD for EAN32?
