Term
| How does the us navy define mixed gas diving? |
|
Definition
| Diving operations that are conducted using a breathing medium other than air. |
|
|
Term
| What is the normal mixture for normal "AIR" |
|
Definition
|
|
Term
| What are some common mixes used in commercial diving |
|
Definition
(HeO2)= Helium+Oxygen
(HeN2O2)= TriMix - Helium+Oxygen+Nitrogen
(N2O2)= Nitrox - Nitrogen+Oxygen
(O2)= Pure Oxygen |
|
|
Term
| What depths do we consider shallow air? |
|
Definition
|
|
Term
| What depths do we consider deep air? |
|
Definition
|
|
Term
| What depths do we consider mixed gas diving? |
|
Definition
|
|
Term
| What depths do we consider SAT diving? |
|
Definition
|
|
Term
| what are some advantages of HeO2 diving? |
|
Definition
-Clear thinking (non-narcosis)
-Increased Bottom Times
-Grater depth capabillities |
|
|
Term
| What are some DIS-advantages of HeO2 diving? |
|
Definition
-Cost
-Increased chances of DCS
-Increased chances of a CNS hit
-Hypoxia
-Hyperthermia
-Voice change |
|
|
Term
| What extra Equipment do yo need in mixed gas diving? |
|
Definition
-Miles of additional specialized hoses and connections for various different gases
-Dive Stages and open bottom bells
-At least two hot water machines to keep the diver(s) warm
-Helium unscramblers for the untrained ear |
|
|
Term
| What is the generally accepted limit for air diving? |
|
Definition
| Two hundred feet and deeper. |
|
|
Term
| What are the CFM standards that we use? |
|
Definition
| According to the us navy the standards are 1.4 CFM under normal conditions, and 2.5 CFM for heavy work. |
|
|
