Sdi open water Study guides, Class notes & Summaries

SDI OPEN WATER EXAM 2024 WITH 100% CORRECT ANSWERS What is the absolute pressure (in atm) at 66 feet? - correct 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? - correct answer 8 cubic feet How many more times dense is the air in a balloon at 4 atm compared to the air density at the surface? - correct answer 4 X as dense What is the abbreviation for an atmosphere? - correct answer atm If a scub...

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 cylinder valve. Fasten the buckles. Remove dust cap, hold first stage in left hand, rotate the chambers until the primary second stage sits on the right. Screw the knob on your first stage until it is fi...

SDI OPEN WATER SCUBA DIVER EXAM | QUESTIONS WITH 100% CORRECT ANSWERS

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 first, 30 meters seem blue and gray water temp does your body need thermal protection - Answer-86 degrees What does SCUBA mean - Answer-self-contained underwater breathing apparatus When wate...

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 conduct heat away from your body 25 times faster than air does As you descend what happens to colors and which colors? colors fade, reds and oranges fade first, 30 meters seem blue and gray At what water te

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 conduct heat away from your body 25 times faster than air does As you descend what happens to colors and which colors? colors fade, reds and oranges fade first, 30 meters seem blue and gray At wh...

SDI OPEN WATER SCUBA DIVER EXAM

Describe all the steps to assemble a BCD and regulator to a scuba cylinder. - 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 cylinder valve. Fasten the buckles. Remove dust cap, hold first stage in left hand, rotate the chambers until the primary second stage sits on the right. Screw the knob on your first stage until it is finger...

SDI Open Water Questions and Answers 100% Pass Describe all the steps to assemble a BCD and regulator to a scuba cylinder. 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 cylinder valve. Fasten the buckles. Remove dust cap, hold first stage in left hand, rotate the chambers until the primary second stage sits on the right. Screw the kn...

Describe all the steps to assemble a BCD and regulator to a scuba cylinder. - 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 cylinder valve. Fasten the buckles. Remove dust cap, hold first stage in left hand, rotate the chambers until the primary second stage sits on the right. Screw the knob on your first stage until it is finger...