Buoyancy compensator bc - Study guides, Class notes & Summaries

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

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...

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...

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 ...

The term Surface Interval is defined as: - Answer- The amount of time a diver stays out of the water or on the surface between dives. The most serious lung over expansion injury is: - Answer- Arterial Gas Embolism Diving at altitude or flying after diving: - Answer- Requires special diving computer functions, altitude tables and/or refraining from flying for at least 24 hours after the completion of a dive If a diver is injured by harmful sea life, it is usually because of: A. The dive...

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 Exam questions and answers 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:...

SDI Scuba Certification Exam Questions with Correct Solutions || Graded A+ <UPDATED> 5 ways to equalize your ears - ANSWER 1. Valsalva maneuver really "Toynbee" -holy you nose and blow gently -only on descent 2. juttin jaw 3. yawning method 4. swallowing method 5. tilting the head majority equalize better feet first. (ropers) some or slopers, some are ropers. Squeeze - ANSWER -happens on descent -stop your descent and ascend slightly -try to equalize again Reverse Bl...

The event that led to the use of the acronym SCUBA to describe diving was: A. Post-WWII equipment refinements B. The invention of the diving helmet in circa 1800 C. The development of the demand regulator in 1943 D. The development of air pumps in the 19th century - ANSWER C. The development of the demand regulator in 1943 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 a...

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...