Dive Master Naui Questions And Answers Pdf

Which navigational techniques are often used to locate a dive site? {Ans: Natural and compass position-fixing navigation}Excess breathing resistance can be caused by improperly tuned regulators and small bore snorkels. {Ans: True}Which of the following are recommended technique(s) for orienting yourself in a limited visibility environment? {Ans: To dive in a known area or with a buddy that has diving experience in the area, and the use of a controlled descent/ascent line.}Which of the search patterns listed below requires the use of a compass? {Ans: The expanding box or square}When waves break on shore and the backrush is funneled through a narrow opening, the condition is known as _____. {Ans: A rip current}One serious physiological risk factor that is associated with the use of Nitrox is _____. {Ans: Central Nervous System Oxygen Toxicity}