Nitrox Knowledge Review

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Basic Nitrox Course 10.2 Knowledge Review Note: If you need more space for your answers, staple the additional pages to this page.
1 State the primary benefit realized when diving Nitrox.
2 State the primary risk to consider when diving Nitrox.
3 State the O2% and Maximum Operating Depth for N1 and N2.
4 Describe the signs and symptoms of CNS Oxygen toxicity.
5 State the maximum partial pressure of Oxygen for recreational diving.
6 Describe the relationship between the partial pressure of Oxygen and time as they relate to CNS Oxygen toxicity.
7 Calculate the pressure in Atmospheres Absolute for a dive to a depth of 66 Feet of Sea Water.
8 Calculate the depth in Feet of Sea Water that will result in a pressure of three Atmospheres Absolute.
9 Calculate the partial pressure of Oxygen when diving a 40 % Nitrox mix at a depth of 66 feet.
10 Calculate the maximum operating depth for an 80 % Nitrox mix.
11 Calculate the best Nitrox mix for a 170 foot dive for 25 minutes.
12 Calculate the equivalent air depth for a dive to 62 feet using a 40% Nitrox mix?
13 A diver plans to do two 60 foot dives. Given 45 minutes bottom time on the first dive and a 30 minute surface interval, what is the maximum time that can be spent on the second dive when using the PADI air tables and when using the PADI EANx36 Nitrox tables?
14 State the maximum O2% for equipment not requiring Nitrox preparation.
15 Describe three ways of making Nitrox.
16 Describe the only way to be certain of the O2 % in the scuba cylinder.
17 State the four items that should be recorded on the tank contents label.
18 Describe the signs and symptoms of decompression sickness.
19 Describe the first aid treatment and hospital treatment for decompression sickness.