PADI ENRICHED AIR DRIVER EXAM 2024
NEWEST ACTUAL EXAM COMPLETE 200
QUESTIONS WITH DETAILED VERIFIED ANSWERS
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Enriched air is any nitrogen/oxygen gas blend with
What is "enriched air"?
more than 21% oxygen.
What is the primary It exposes you to less nitrogen than when you dive
benefit of using enriched with air.
air?
How does using enriched It allows longer no stop limits because you are
air affect no stop limits? absorbing less oxygen.
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Why is it too simplistic to Higher oxygen levels create a potential hazard that
say enriched air is safer hardly exists in air diving within recreational limits.
than air when diving will
within air no
decompression limits?
How does using enriched The current thinking is the narcosis potential is the
air affect narcosis when same.
diving?
1) Computers combine enriched air with multilevel
diving for the most no stop time possible.
What are three 2) Most models will or can be set to alert you if you
advantages of using an accidentally exceed the maximum depth for your gas
enriched air dive blend.
computer for enriched air 3) Dive computers simplify diving planning and
diving? execution by calculating both your oxygen exposure
and your allowable no stop time, and warn you if you
near the limits of either.
What is the primary High oxygen content.
concern regarding
enriched air and scuba
equipment?
1) Regulators, BCDs, SPGs, and alternate air sources
may be used without modification.
What are the requirements 2) Follow manufacturers recommendations.
and recommendations for 3) Use oxygen compatible lubricants, o-rings, and
scuba equipment (other other materials as appropriate during service.
than cylinders) used with 4) Have your regulator serviced annually, preferably
enriched air with up to 40 by a technician qualified to work on enriched air
percent oxygen? equipment. Have it inspected or recleaned by a
qualified technician if you accidentally expose it to
anything other than water.
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