Padi: Deep Diving Knowledge Review Study Guide Rated A+

Explain how to avoid low-on-air or out-of-air situations while deep diving. {Ans: Breathe slowly and deeply. Watch SPG more often. Conserve air. Avoid overexertion. End with ample reserve.}Explain how to determine if your equipment is suitable for deep diving. {Ans: Regulator and SPG should be properly serviced and maintained for accuracy. Tanks should be 12L or 71.2 cubic feet. Check BCD for leaks in bladder and valves; service. Base exposure suit choice on depth temperature. Wear octo in "triangle"; consider pony bottle. Check gauges for accuracy annually or when subject to abuse; consider backup gauges. Attach audible and visual surface signally devices to BCD.}Describe proper ascent and descent techniques for deep diving, including positioning, maintaining a proper ascent rate and descending/ascending without a visual reference. {Ans: Watch each other; stay within touching distance, maintain eye contact. Adjust buoyancy frequently. Properly weight BCD; add 5 pounds for used air. Keep feet below head. Maintain buoyancy control. Use computer/gauges to ascend at 18 meter / 60 feet per minute or less.}Describe how to make a safety stop at 5 meters / 15 feet with a visual reference (line, wall or sloping bottom). {Ans: Ascend no faster then 18