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AIR DIVING SUPERVISOR 2025 FINAL EXAM QUESTIONS AND CORRECT ANSWERS

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AIR DIVING SUPERVISOR 2025 FINAL EXAM QUESTIONS AND CORRECT ANSWERS If the air decompression table does not list a repetitive group designator for a dive, what must your surface interval be? - CORRECT ANSWERS No repet dives are permitted below 20 fsw on that table schedule. The diver must have an 18 hour surface interval before making another diver deeper than 20 fsw. What is computed when surface decompression is elected while breathing O2 from 30 and/or 20 fsw stop? - CORRECT ANSWERS The number of chamber periods and is done so by multiplying the remaining O2 time at that stop by 1.1 then dividing by :30. Round up to the next half period. What depth does surface decompression start in the water and down to in the chamber? - CORRECT ANSWERS Sur D starts after completion at the 40' stop in the water. The diver is compressed to 50' in the chamber. In Sur D, how long are chamber periods/half periods and how many can you spend at what depth? - CORRECT ANSWERS One chamber period is :30 while a half period is :15. Your f irst half period (:15) is spent at 50 fsw, travel to 40 fsw where you spend the second half (:15) of your first period. Periods 2-4 spent at 40 fsw. Remaining O2 periods spent at 30 fsw. Who can approve surface supplied air diving, planned exceptional exposure dives? - CORRECT ANSWERS The CNO. Due to a significantly higher risk of DCS and CNS O2 toxicity, planned exceptional exposure dives shall not be conducted except by specific authorization from the CNO. Who can approve decompression open circuit SCUBA dives? - CORRECT ANSWERS The CO or OIC. Open circuit SCUBA dives requiring decompression may be made only when considered absolutely necessary and authorized by the CO or OIC.

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Air Diving Supervisor EXAM QUESTIONS AND
CORRECT ANSWERS
SCUBA is best suited for what type of dives - CORRECT ANSWERS short no decompression
dives in relatively warm water and depths shallower than 100 few



Surface supplied diving is divided into how many categories - CORRECT ANSWERS 1.
Lightweight gear (MK 20 or MK3 LWDS)

2. Deepsea Gear (KM37/MK21) with FADS or FMGS



What are the four principles of ORM - CORRECT ANSWERS 1. Accept risk when you know
the facts

2. Accept no unnecessary risk

3. Anticipate and manage risk by planning

4. Make risk decisions at the right level



What are the 5 steps of ORM - CORRECT ANSWERS 1. Identify Hazards

2. Access Hazards

3. Make risk decisions

4. Implement Controls

5. Supervise



What are the three types of ORM? - CORRECT ANSWERS 1. In depth

2. Deliberate

3. Time critical

, When should you do work up dives? - CORRECT ANSWERS when divers have been
inactive, unfamiliar equipment, or deep diving



What are the minimum emergency equipment for a dive side? - CORRECT ANSWERS 1.
Coms equipment for reaching help

2. A fully stocked first aid kit

3. A portable O2 supply with sufficient capacity

4. Bag Valve Mask with O2 connection

5. Means of imobilizing diver

6. Means of extacting diver



You should bypass a recompression chamber for what types of injuries? - CORRECT
ANSWERS 1. Near drowning

2. Major/severe trauma

3. Rapid onset of paralysis with inability to breath



What is a mishap - CORRECT ANSWERS unplanned or unexpected even that causes death,
injury, occupational illness, or loss of or serious damage to equipment



What is a near mishap? - CORRECT ANSWERS where a act or event of injury or damage
was avoided by mere chance



Examples of diving near mishaps? - CORRECT ANSWERS 1. Execution of emergency
procedures

2. exceeding prescribed limits

3. Abnormal condition discovered after equipment and systems are prepared for use

4. any external systems, equipment, conditions that may adversely affect or impair diver safety.

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