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SDI Computer Nitrox Questions with
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Quiz: True or False. Oxygen Enriched Air is a term some divers use to
refer to Nitrox.
Ans: True
Quiz: The air we normally breathe consists primarily of:
Ans: Nitrogen and Oxygen
Quiz: A mixture of nitrogen and oxygen in which the percentage of
oxygen is greater than that found in air is generally called:
Ans: Enriched Air, Enriched Air Nitrox, Nitrox, Etc.
Quiz: The person who creates the Nitrox used to fill scuba cylinders
is referred to as a:
Ans: Blender
Quiz: Which of the following is not a Nitrox mixture? EAN24, EAN21,
EAN40
Ans: EAN21
Quiz: The primary benefits of using Nitrox include:
Sunday, 02 March 2025
, Ans: Longer bottom times and shorter surface intervals
Quiz: During any 24-hour period, you can be exposed to a Nitrox
mixture at its Maximum Operating Depth (MOD) for up to:
Ans: 150 Minutes or 2.5 hours
Quiz: True or False. Dive computers work by monitoring the
presences of so-called 'silent bubbles using ultrasound.
Ans: False
Quiz: What may happen if you go too deep or stay too long?
Ans: 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
Quiz: A decompression stop is:
Ans: Pausing at a fixed depth for a specified period of time to allow excess
nitrogen to exit you body more slowly
Quiz: To properly engage in decompression diving requires:
Ans: Specialized training, Additional equipment, and Topside support
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