3.What is the criteria or requirement that you will look at each diver before you allow him/her to dive?a) Qualify by age. You must be at least 12 years old to begin scuba diver training although those younger than 12 may be able to participate in restricted, junior diver, training programs sponsored by certain training agencies.b) See if youre fit for diving. Scuba diving is an active sport that requires a reasonable level of good health and physical fitness. Potential divers can help determine if they are fit for training and participation in the sport by reviewing a simple questionnaire that can be downloaded from the World Recreational Scuba Training Council web site. The WRSTC guidelines will serve to familiarize you and, possibly your doctor, with the medical issues involved in scuba diving and help you to make an intelligent decision.c) Find someone to teach you. Locate a scuba instructor either through a referral from a friend or associate, an advertisement or through a local dive store. You should try to find one that is both well qualified (number of years diving and training divers, number of dives made and divers trained, breadth of experience, etc.) and whose instructional methods seem compatible with your way of learning; some people learn well from authority figures while others want hugs or high fives along with their lectures. When you find someone you think you like ask to audit one or two of his or her classes before committing.d) Find a place to learn. Convenience is a big factor when selecting a dive store or instructor to conduct your training. You will be spending days or perhaps even weeks learning to scuba dive depending on how the course is structured so you may want to select a facility convenient to your home or place of work. Ideally, find a dive store with an on-site pool (heated if youre taking your training in cold weather) with hot showers and changing facilities.e) Find out what equipment you will need and how much it will cost. Scuba diving is an equipment intensive sport and divers need a full complement of scuba gear in order to participate. Some or all of this gear may be included in your course fee or you may be able to rent or borrow it.f) Pass the required watermanship test. The most basic prerequisite to becoming a qualified scuba diver is comfort in the water. In order for you to begin a scuba training course you must first demonstrate to an instructor your ability to swim continuously for 200 yards (182.9 m) and float for 10 minutes, both without aids. Alternatively, if you would like to swim using a mask, fins and a snorkel, you must swim continuously for 300 yards (274.3 m) and then float for 10 minutes without any aids.g) Learn the academics. Scuba diving is one of those activities where safety comes with and depends on a certain amount of specific knowledge. The academic portion of a scuba course teaches you the theory of diving and the procedures necessary to do it safely. Academics are divided into short segments with quizzes generally following each topic and a final exam at the end to assess your understanding of the material. Students must pass with a certain grade to move on to Open Water training - retests are allowed. Practice, practice, practice. The Confined Water, or pool, portion of a scuba course is where the heart of the training occurs. This is where you will learn the function of all that equipment and how to use it safely. You will be taught to clear water from a flooded mask, breathe from a regulator, use fins properly and control your buoyancy by adding or venting air from your buoyancy control device, along with a myriad of other skills that may seem foreign and intimidating at first but, with practice, will become second nature.h) Complete your Open Water training and certification dives. The final step toward becoming a certified scuba diver is to complete four open water training dives under the supervision of an instructor. These dives are conducted in a large body of water like the ocean or a lake to depths between 15 and 60 feet over two or more days. On these Open Water dives your instructor will have you demonstrate to him or her that you are capable of doing in open water what you learned to do in the pool, things like flooding and clearing your mask, descending to the bottom, recovering a misplaced regulator, ascending to the surface, etc.i) Once you successfully demonstrate these diving skills and complete the four required dives your instructor will advise the training agency to issue a C-Card in your name. Your C-card vouches for your training and qualifies you to obtain air fills or rental tanks, buy or rent scuba equipment, and engage in recreational open water diving in conditions similar to those under which you trained without further supervision.http://www.wikihow.com/Become-a-Certified-Scuba-Diver