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 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...

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

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...

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...

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.

SDI FINAL EXAM 2024 WITH 100% CORRECT ANSWERS 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. - correct answer 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. ...

A summary of the prescribed cases, with the subject matter, facts, relevant question at issue and key considerations for each case.