answers
? By using your computer's scroll mode or other display, or with the table in the
PADI Enriched Air Diver Manual, you should determine and note the... Ans✓✓✓
the deepest depth you can reach without exceeding 1.4
? If you begin to near an oxygen limit or a no decompression limit displayed on
your computer, you should... Ans✓✓✓ ascend until your computer displays a
longer limit and stay that shallow or shallower?
?it is recommended that you have a surface interval of at least ______ when
making repetitive dives with enriched air. Ans✓✓✓ one hour?
Advantaged of using a dive computer with enriched air nitro include that....
Ans✓✓✓ it adds multilevel diving advantages for the longest no stop dive time,
most models will warn you if you exceed the maximum depth for your gas blend,
and simplifies dive planning
After Analyzing enriched air, you should compare your analysis with... Ans✓✓✓
the oxygen percent on the cylinder contents sticker or tag
Based on broadly accepted international dive community practices, enriched air
cylinders, should have the following: Ans✓✓✓ Yellow cylinders should have a
green band at the shoulder with enriched air or similar designation, the cylinder
should have a standard visual inspection sticker, the cylinder should have a
contents sticker, and the cylinder should have a sticker to indicate whether it's
oxygen service rated.
, Enriched air ____________ the no stop limits compared to air Ans✓✓✓ Extends
Exposure to increased oxygen partial pressure can make your allowable dive time
______________ Ans✓✓✓ Shorter. Diving with enriched air, usually gives you
longer dive times, due to reduce nitrogen, but at times oxygen exposure can limit
your dive time.
For the most common blends of enriched air, what are the maximum depths in
get it before exceeding 1.4 ata? Ans✓✓✓ 32% - 111 ft
36% - 95 ft
Guidelines to apply when diving with an enriched air computer include....
Ans✓✓✓ staying well within computer's no stop and O2 exposure limits,
knowing the blend's max depth and using the maximum depth warning on the
computer as a secondary alert, and making safety stops and following all
conservative dive practices
If a diver convulses underwater, you should.... Ans✓✓✓ hold the regulator in the
mouth if it is there, get the diver to the surface and check for breathing, get the
diver to the boat or shore ASAP (treat as an unresponsive, diver underwater
emergency)
If a diver is suspected of having DCI after an enriched air dive.... Ans✓✓✓ Contact
local emergency personnel and diver emergency services. Administer emergency,
oxygen and first aid as you normally would.
if an enriched air cylinder or oxygen service rated equipment is used with
standard compressed air, you.... Ans✓✓✓ should have it serviced by an enriched
air qualified professional