Sdi open water Study guides, Class notes & Summaries

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...

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 OPEN WATER SCUBA DIVER EXAM + Q'SHow big do Objects under water appear Objects appear 33% larger underwater

SDI OPEN WATER EXAM 2024 WITH 100% CORRECT ANSWERS Describe all the steps to assemble a BCD and regulator to a scuba cylinder. - correct 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 ...

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 scuba...

SDI OPEN WATER SCUBA DIVER EXAM | QUESTIONS WITH 100% CORRECT ANSWERSObjects under water appear: 1: The same size as they do on land. 2: Twice as large as they do on

SDI OPEN WATER SCUBA DIVER EXAM Objects under water appear Closer and larger than they do on land

SDI OPEN WATER SCUBA DIVER EXAM 2024 WITH 100% ACCURATE ANSWERS Objects under water appear - correct answer Closer and larger than they do on land How much faster does sound travel in water, compared to air? - correct answer 4 times Water conducts heat away from your body - correct answer 25 times faster than air does As you descend - correct answer colors fade, reds and oranges fade first, 30 meters seem blue and gray water temp does your body need thermal protection - correct ...

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 tigh...

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...