Sdi open water Study guides, Class notes & Summaries

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 Scuba Diver Exam + Q's and correct answers

What is the absolute pressure (in atm) at 66 feet? -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? - 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? - 4 X as dense What is the abbreviation for an atmosphere? - atm If a scuba cylindar lasts 2 hours (120 minutes) at sea level, how long will it last at 66 feet? - 40 minutes How often should a div...

SDI Open Water Questions with complete solutionDescribe 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 righ...

1. Objects under water appear ANS Closer and larger than they do on land 2. How much faster does sound travel in water, compared to air? ANS 4 times 3. Water conducts heat away from your body ANS 25 times faster than air does 4. As you descend ANS colors fade, reds and oranges fade first, 30 meters seem blue and gray 5. water temp does your body need thermal protection ANS 86 degrees 6. What does SCUBA mean ANS self-contained underwater breathing apparatus 7. When water stratifies it...

SDI Open Water Scuba Diver Exam Questions and answers 2024

SDI Open Water Set questions and answersWhat 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 at the surface? - answer-4 X as dense What is the abbreviation for an atmosphere? - answer-atm If a scuba cylindar lasts 2 hours (120 minutes) at sea level, h...

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 at the surface? - answer-4 X as dense What is the abbreviation for an atmosphere? - answer-atm If a scuba cylindar lasts 2 hours (120 minutes) at sea level, how long will it last at 66 feet? - answe...

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...

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 SC