SDI Scuba Certification Exam

S What is the main purpose of a snorkel? - ANSWER-It's useful on long surface swims because it allows you to conserve air from your scuba cylinder. How do you know if a mask fits correctly? - ANSWER-You press it against your face and inhale through the nose, if it stays then you are good. Na...

Define risk management. - answer-A means of preventing problems and planning a response to any emergency that arises. The concept of risk management involves planning ahead, employing good diving practices, and knowing what to do before an emergency arises. Without a plan, a simple problem can q...

Describe all the steps to assemble a BCD and regulator to a scuba cylinder. - ANSWER-Spin the tank around so that the back of the valve is facing you. Place the BCD band(s) over the top of the cylinder so that the back of the BCD is facing you. Raise or lower the BCD so the top is even with the ...

Standards, Procedures and The Recreational Dive Leader Divemaster Exam and questions 1. An effective dive leader will also always be an effective: - answer-A. Captain B. Instructor C. Assistant Instructor D. Role Model 2. In Promoting your business as a dive leader, what type of marketing d...

What does scuba stand for? - ANSWER-self contained underwater breathing apparatus List the 3 important scuba diving changes that occurred in the 1950s. - ANSWER-dive tables, pdc [personal dive computer], enhanced diving equipment Name 3 different devices that modern dive computers replace. - A...

Questions and Answers from SDI Quizzes WITH CORRECT ANSWERS Objects underwater appear: - ANSWER-both closer and larger than they do on land What happens to colors as you descend? - ANSWER-they appear to fade How much faster does sound travel in water, compared to air? - ANSWER-four times as f...

describe all the steps to assemble a BCD and regulator to a scuba cylinder. - answer-Spin the tank around so that the back of the valve is facing you. Place the BCD band(s) over the top of the cylinder. Raise or lower the BCD so the top is even with the cylinder valve. Fasten the buckles. Remove...

SDI chapter 5 questions and answers Define risk management - answer-Planning ahead, employing good diving practices, and knowing what to do before an emergency arises. Why should you avoid consuming drugs or alcohol prior to a dive? - answer-it can greaten the risk of decompression sickness wha...

SDI Final Exam with complete solution 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. - answer-Closer and larger than they do on land. As you des...

What does SCUBA stand for? - answer-Self Contained Underwater Breathing Apparatus List the three important scuba diving changes that occurred in the 1950s - answer-1) Dive tables published for repetitive dives 2) Improved design/quality of scuba gear 3) Dive computers commercially available ...

Objects under water appear - ANSWER-Closer and larger than they do on land How much faster does sound travel in water, compared to air? - ANSWER-4 times Water conducts heat away from your body - ANSWER-25 times faster than air does As you descend - ANSWER-colors fade, reds and oranges fade fir...

Define SCUBA - answer-S - self C - contained U - underwater B - breathing A - apparatus List 3 important scuba diving changes that occurred in 1950s - answer-1) published USN dive tables 2) invented the personal dive computer 3) equipment manufacturers made improvements to the design and wo...

What is the absolute pressure (in atm) at 66 feet? - answer-2 atm What will be the volume in a ball that is filled with two cubic feet of air at 99 feet when it's taken to the surface? - answer-8 cubic feet How many more times dense is the air in a balloon at 4 atm compared to the air density a...

SDI Open Water Scuba Diver Exam + Q's and correct answers How big do Objects underwater appear Objects appear 33% larger underwater. How far away do objects appear underwater? Objects appear 25% closer. How much faster does sound travel in water, compared to air? 4 times How fast does Water...