SDI Open Water Test Exam Questions and Answers 100% Pass

SDI Open Water Test Exam Questions and Answers 100% Pass


1. Describe all the steps to assemble a BCD and regulator to a scuba cylin- j j j j j j j j j j j j j


der.:Spinthetankaroundsothat thebackofthevalveisfacingyou.PlacetheBCD band(s) over the
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top of the cylinder so that the back of the BCD is facing you.Raise or lower the BCD so the top is eve
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n with the cylinder valve. Fasten the buckles. Remove dust cap, hold first stage in left hand, rotate
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the chambers until the primary second stage sits on the right. Screw the knob on your first stage u
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ntil it is finger tight.Connect the low pressure inflator hose to the stem on the BCD's inflator.Turn
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on the air. j j


2. How should you go about checking that your BCD is attached securely to your cylinder?:
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You lift up by the BCD and gently shake it.
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3. What is the purpose of streamlining your hoses and accessories?: So they don't get tangle
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d/ in the way.
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4. Describe from the start to finish the steps to disassemble your scuba system.: 1. Re j j j j j j j j j j j j j j


move accessories and weights j j j


2. Decompressthesystem:Turn the valve knob completely clockwise.Decompress one of the se j j j j j j j j j j j j j


cond gauges (purge button or the auto inflator button to vent air remaining in the hoses)
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3. Detach the LP hose from the inflator assembly by pulling the collar back on the quick disconn
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ect.Unscrew the yoke knob until the first stage can slip off the top of the valve.
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4. Undo the straps and remove the BCD from the cylinder. j j j j j j j j j


5. Rinse off gear and fill and dump BCD j j j j j j j


5. *Describe two important features of a weight system.*: 1.To weigh you down j j j j j j j j j j j j


2.You can use different weights
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6. What should you do any time the second stage is out of your mouth?: Put the back up in your
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mouth then do either a sweep or reach technique to get it back.
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7. Describe two ways to clear a flooded second stage.: 1.Depress the purge button before i j j j j j j j j j j j j j j j


nhaling.
2.Exhale into the mouthpiece.
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8. What is the hand signal for out-of-air?: Flat hand cut across your neck
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9. The thumbs up signal means "OK."True or False?: False
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,10. Describe two different ways to indicate "OK".: 1.Pointer thumb touch
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2.Fist on your head
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11. Describe how to perform a giant stride entry off a boat.: Stand on the edge of the dive platfo
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rm, check the water below to make sure it is clear of other divers, putyour righthandoveryourmas
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kandregulatorandyourlefthandoveryourweight belt buckle, stand straight, look directly ahead
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and take a big step out off the edge of the platform. Signal OK if everything is alright.
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, 12. Name four different water entries.: 1.Giant stride j j j j j j j


2. Controlled sated j


3. Back roll entry j j


4. Shore entry j


13. Describe the two emergency out-of-air ascents.: 1.Signal out of air j j j j j j j j j j


2. Remove regulator, exhale, reach for your buddy's alternate air source. j j j j j j j j j


3. Put in your mouth, purge and breath exchanging "OK" and "Go up" hand signals.
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4. Donor should hold onto the receiver's BCD shoulder strap as you slowly ascend together.
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5. Orally inflate your BCD when you reach the surface. j j j j j j j j




1. Signal out of air j j j


2. Donor grabs buddy, takes a breath, and gives buddy regulator.
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3. Receiver purges and takes 2 breaths and passes it back. j j j j j j j j j


4. Donor keeps hand on the hose and they both go up repeating steps 2-3.
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14. How do you vent air fromaBCD?: Byholdingtheendofyourinflatorhoseover your head and de
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pressing the inflator button. j j j


15. A properly weighted scuba diver should float at
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whenher BCD is deflated and lungs are fully inflated.: eye level
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16. How do you relieve a leg cramp?: By grabbing your fin and stretching it out or having a buddy d
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o it for you.
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17. What is the reciprocal of a 200-degree heading?: 20-degreesj j j j j j j j


18. Define risk management.: A means of preventing problems and planning a response to any
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emergency that arises.The concept of risk management involves planning ahead, employing go
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od diving practices, and knowing what to do before an emergency arises.Without a plan, a simpl
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e problem can quickly snowball into a full-blown emergency.
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19. Why should you avoid consuming drugs or alcohol prior to a dive?: The use of alcohol an
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d drugs greatly increases the risk of decompression sickness in divers.
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20. What elements should you and your buddy agree on before the dive?: A dive plan that co
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ntains ebjectives compromised by both divers.
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Familiarizing yourselves with the dive site and conditions Determining entry and j j j j j j j j j j


exit points
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