Sdi Study guides, Class notes & Summaries

CH 2 : What is the most important rule in scuba diving? never hold your breath CH 4 : Describe from start to finish the steps to disassembling your scuba system - remove accessories and weights - decompress the system : turn the valve knob completely clockwise, decompress the second gauges (purge button or auto inflator button to vent air remaining in the hoses) - detach the LP hose from the inflator assembly by pulling the collar back on the quick disconnect , unscrew the yoke knob u...

SDI Scuba Certification Exam Study Guide With Correct Answers | 100% Verified

SDI Computer Nitrox Questions and Answers 100% Pass True or False. Oxygen Enriched Air is a term some divers use to refer to Nitrox. True The air we normally breathe consists primarily of: Nitrogen and Oxygen A mixture of nitrogen and oxygen in which the percentage of oxygen is greater than that found in air is generally called: Enriched Air, Enriched Air Nitrox, Nitrox, Etc. The person who creates the Nitrox used to fill scuba cylinders is referred to as a: Blender Which of the following...

Objects under water appear: 1: The same size as they do on land. 2: Twice as large as they do on land. 3: Closer and larger than they do on land. 4: Smaller and farther away than they do on land. - Closer and larger than they do on land. As you descend: 1: Colors appear to fade. 2: Reds and oranges are among the first colors to disappear. 3: At 30 m/99 ft, little color remains other than blues, grays, blacks and whites. 4: All of the above. - All of the above. Which of the following st...

Objects under water appear - Closer and larger than they do on land How much faster does sound travel in water, compared to air? - 4 times Water conducts heat away from your body - 25 times faster than air does As you descend - colors fade, reds and oranges fade first, 30 meters seem blue and gray water temp does your body need thermal protection - 86 degrees What does SCUBA mean - self-contained underwater breathing apparatus When water stratifies itself into layers, according to temperat...

Which of the following methods are appropriate for accounting for divers at the end of the dive? 1: Head count. 2: Equipment count. 3: Checking for empty seats on the boat. 4: A 'by name" roll call. - Answer- A 'by name" roll call. The first step in assisting a tired diver back to the boat or shore is to ensure that the diver is: 1: Positively Buoyant 2: Negatively Buoyant 3: Nauseous 4: Neutrally Buoyant - Answer- Positively Buoyant True or False: The only acceptable methods f...

SDI Open Water Scuba Diver Exam Questions and Answers

A ventilated hood, bench grinder, and a heavy duty bench vise are items that are found in the _____________ area of the gun shop. Welding and Heating Treating According to the video, SDI Intro to Gunsmithing, which mechanism of the 12 gauge pump ejects the shell? Cartridge Stop In the article titled, Gunsmithing Requires Innovation, the author had trouble finding reference material on which of the following barrel makers? F. Dumoulin True/False: If the firearm is on safe...

Complete summary for the third year psychology course 'Cognitive behavioral processes across disorders - a transdiagnostic approach'. Summary of articles and lecture notes, written in 2023. Completely written in English.