Nitrox Oxygen
Nitrox Oxygen
Partial Pressure....Please calculate?
In a mixture of gases in a scuba tank, the total pressure in the tank is about 150 atm. Nitrox I is a standard gas mixture used for some types of scuba diving and is composed of 32% oxygen and 68% nitrogen. Find the partial pressure in atmosphere of each of these two compounds in a full tank of Nitrox 1.
48 ATM Oxygen
102 ATM Nitrogen
calculate this by fining 32% of 150 for oxygen and 68% of 150 for the nitrogen.
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In a decade, technical diving has stopped being the preserve of extremists to generalize, but specialization in the field. The reason technical diving has been reached only after passing a series of challenges and control in the past. At the end of 1980, International Association of Nitrox diving technique has become the leading center for specialized technical training, marking a revolution in diving.
, For recreational diving, the limit of 40 m diving depth and the diver must directly surface in a course without restrictions. However, the depth of technical diving, divers enjoy unlimited diver may need to re-emerge along a narrow path, as in diving underground art.
Wrecks also challenges the diver ability to cope with unstable conditions and the maze of corridors in an accident. After a deep dive, the diver's body has absorbed a large amount of inert gas (mostly nitrogen). There is a life-threatening in the danger zone without following a process adequacy of decompression during ascent.
Technical diving is a relatively risky, therefore, the route follows the rules strict in admitting students. The instructor has the right to reject the jurisdiction not in the Cave diving courses such as technical renovation and diving-breather. In general, students who learn basic skills of diving must be at least two to three years of diving, perhaps even as instructors scuba diving certification.
The main difference between technical divers and recreational divers is not your experience or value, but their mentality. Recreational divers are happy to swim over coral and fish, while technical divers are eager to test its limits. At a depth of 300 feet, the diver's personality, a clear mind and technique are under enormous strain. Even small error can lead to uncontrolled results in this environment. Therefore, psychological fitness is more important than physical fitness for diving technique.
How to choose an agent dive technical training? There are about five international training centers in Hong Kong, including the agent Foundation IANTD and PADI. Several points should be considered when choosing a training center: the availability of facilities and level, emphasis set of fair procedures and good training, experienced instructors of technical diving, and the opinions of alumni. Although the Cost could be another point to consider the difference of hundred thousand dollars is negligible compared to the value of your life.
The structure of teaching a course in technical diving is similar to a recreation that everyone starts from a basic level, even if you are a qualified instructor or experienced diver. During deep diving technique includes three different levels within the IANTD PADI and systems.
The basic course is called Advanced Nitrox Diver (IANTD) or apprentice Tech Deep Diver (PADI). It teaches students the benefits, hazards and proper procedures for diving at a depth of 45m high use of oxygen for rapid decompression. This is deeper than limits of recreational diving. It is important to time and strictly follow safety procedures for judgments of coating, if decompression sickness (curves) could result. If a diver spends 30 minutes at a depth of 45m, it is in 40 more minutes of decompression.
After have completed the basic course, students can spend the Technical Nitrox Diver (IANTD), or Tec Deep Diver (PADI). In this course, students dive than 55 meters deep, with two tanks of oxygen-rich (one is pure oxygen) for decompression. 30 minutes diving in 55m deep, it will take 50 minutes for decompression. Apart from diving deep student studying in depth the impact high pressure in the diver and psychological changes and work on improving posture and technique of buoyancy control.
The final price is Trimix. The diver uses a combination of low oxygen, nitrogen and helium mixtures under high dive of 80m. This gas mixture is essential to dive as deep as normal atmospheric pressure negative sites on the body of diving to a depth of over 55m. 21% in the air after 55m depth conrulse cause the diver and even lose consciousness - is the oxygen toxcity. Improper use of trimix gas, however, also pose problems, therefore, specialized training is a necessity.
All diving courses include technical conferences, joint work and the practice of deep water. The pupil / teacher ratio is much lower than in the course of diving leisure in which a driving instructor 3 to 4 students and the proportion is even more difficult for some courses, to reflect the more complicated nature of the course.
Technical diving is always a risky business, technology and experience of learning technical diving can be reflected in the Recreational diving to improve the security level for the dive industry together.
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