Ssi Open Water Diver Final Exam: Sections 1 6 Questions And Answers

An independent action to take in response to an out of air emergency is: -A: controlled swimming ascent -B: ascent with alternate air source -C: sharing air using an alternate air source -D: sharing air using primary second stage {Ans: A}The condition in which certain colors are diminished as depth increases is called: -A: Refraction -B: Turbidity -C: Diffusion -D: Absorption {Ans: D}Salt water weighs ___ pounds per cubic foot and freshwater weighs ___ pounds per cubic foot. {Ans: 64/62.5}To use a compass to navigate to a sighted object: Point the compass toward the object, rotate the ____ until the ____ marks are over the magnetic needle, and follow the ____ line. {Ans: bezel, witness, lubber}Which of the statements concerning sound transmission underwater is incorrect? -A: Sound will travel farther underwater then in air -B: Divers find it difficult to locate the direction of a sound producing source -C: Divers find it easy to talk to each other directly through water -D: Sound travels four times faster underwater than in air {Ans: C}The purpose of equalization is to: -A: ensure the uneven application of pressure between the water and air spaces in the body -B: