Diving subsystems - Study guides, Class notes & Summaries

Which of the statements concerning sound transmission underwater is incorrect? -Sound will travel farther underwater then in air -Divers find it difficult to locate the direction of a sound producing source -Divers find it easy to talk to each other directly through water -Sound travels four times faster underwater than in air - Answer- -Divers find it easy to talk to each other directly through water The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea wat...

Gauge pressure is defined as: A. The depth reading on a gauge B. The pressure at the surface C. Hydrostatic pressure minus 1 bar D. Absolute pressure minus 1 bar - Answer- D. Absolute pressure minus 1 bar Salt water weighs ___ kg per liter and freshwater weighs ___ kg per liter. - Answer- 1.025/1.0 Absolute pressure is defined as: A. The pressure at the surface plus 1 ata B. The weight of the water that surrounds the diver C. The total pressure exerted on an object D. All answers a...

SSI Open Water Diver Final Exam Question and answers rated A+ 2023Gauge pressure is defined as: A. The depth reading on a gauge B. The pressure at the surface C. Hydrostatic pressure minus 1 bar D. Absolute pressure minus 1 bar D. Absolute pressure minus 1 bar Salt water weighs ___ kg per liter and freshwater weighs ___ kg per liter. 1.025/1.0 Absolute pressure is defined as: A. The pressure at the surface plus 1 ata B. The weight of the water that surrounds ...

SSI Open Water Diver - Section 2 Exam Questions and Answers 2023 1. A scuba tank for recreational diving should be filled with:: Pure, filtered compressed air or Nitrox 2. A scuba cylinder must be hydrostatically tested:: Within fixed intervals set by local law 3. The three Basic Rules of Scuba stated in the proper order of importance are:: Breathe continuously, ascend slowly and maintain control, and never dive alone or beyond your level of training 4. The three primary features to look for...

One atmosphere of pressure is defined as: a) Each 34 feet of depth in freshwater b) each 33 ft. of depth in saltwater c) 1 ata d) All answers are correct. - ANSWER ==d) All answers are correct The absolute pressure expressed in terms of atmospheres absolute at 33 ft. in sea water is: a) 1 ata b) 3 ata c) 2 ata d) 4 ata - ANSWER ==c) 2 ata Underwater, the bending of light rays causes objects to appear to be: a) closer b) the same as the surface c) At an angle consistent with the ben...

OnEverymosphere of pressure is defined as: a) Each 34 feet of depth in freshwater b) each 33 ft. of depth in saltwater c) 1 ata d) All answers are correct. All answers are correct The absolute pressure expressed in terms of atmospheres absolute at 33 ft. in sea water is: a) 1 ata b) 3 ata c) 2 ata d) 4 ata 2 ata Underwater, the bending of light rays causes objects to appear to be: a) closer b) the same as the surface c) At an angle consistent with the b...

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 C The absolute pressure expressed in terms of atmospheres absolute at 33 feet in sea water is: -A: 2 ata -B:1 ata -C: 4 ata -D: 3 ata A The condition...

The purpose of equalization is to Introduce additional air into body air spaces in response to increasing external pressure Body heat is lost ________ than in air 25 to 30 times faster The absolute pressure expressed in terms of atmospheres absolute at 99 feet in salt water 4 ata One atmosphere of pressure is defined as - Each 34 feet of depth in freshwater - 1 ata - Each 33 feet of depth in sea water Describing diving with the acronym SCUBA came from what event? The development of th...

SSI Open Water Diver Study Guide 2023/2024 A scuba cylinder must be hydrostatically tested: - A minimum of once a year - After 100 dives - Within fixed intervals set by local law - Never, no test is required Which of the following Total Diving System subsystems best describes the SCUBA? - The Buoyancy System - The Delivery System - The Snorkeling System - The Information System The purpose of a BC is to: - Control ascent and descent rates - Provide surface floatation - Maintain neutral buoyancy...

SDI Scuba Certification Exam 2024 Questions with Correct Detailed Solutions || Graded A+ Buoyancy is - ANSWER when fluid pushes up on an object immersed in it. Archimedes' Principle states: - ANSWER "An object floating or immersed in a liquid will be buoyed up by a force equal to the weight of the volume of the liquid displaced." The denser the liquid, the higher a given object will float, and the heavier the liquid, the greater the buoyancy. Positive buoyancy: - ANSWER An ...