SDI Open Water Exam Questions and Complete Answers.
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Course
SDI Open Water
Institution
SDI Open Water
SDI Open Water Exam Questions and Complete Answers.SDI Open Water Exam Questions and Complete Answers.SDI Open Water Exam Questions and Complete Answers.SDI Open Water Exam Questions and Complete Answers.
SDI Open Water Exam Questions and Complete
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, and rotate the chambers until the primary second
stage sits on the right. Screw the knob on your first stage until it is finger tight. Connect
the low pressure inflator hose to the stem on the BCD's inflator. Turn on the air.
How should you go about checking that your BCD is attached securely to your cylinder?
- Correct Answer You lift up by the BCD and gently shake it.
What is the purpose of streamlining your hoses and accessories? - Correct Answer so
they don't get tangled/ in the way.
Describe from the start to finish the steps to disassemble your scuba system. - Correct
Answer 1. Remove accessories and weights
2. Decompress the system: Turn the valve knob completely clockwise. Decompress one
of the second gauges (purge button or the auto inflator button to vent air remaining in
the hoses)
3. Detach the LP hose from the inflator assembly by pulling the collar back on the quick
disconnect. Unscrew the yoke knob until the first stage can slip off the top of the valve.
4. Undo the straps and remove the BCD from the cylinder.
5. Rinse off gear and fill and dump BCD
*Describe two important features of a weight system.* - Correct Answer 1. To weigh you
down
2. You can use different weights
What should you do any time the second stage is out of your mouth? - Correct Answer
Put the back up in your mouth then do either a sweep or reach technique to get it back.
Describe two ways to clear a flooded second stage. - Correct Answer 1. Depress the
purge button before inhaling.
2. Exhale into the mouthpiece.
What is the hand signal for out-of-air? - Correct Answer Flat hand cut across your neck
The thumbs up signal means "OK." True or False? - Correct Answer False
Describe two different ways to indicate "OK". - Correct Answer 1. Pointer thumb touch
2. Fist on your head
, Describe how to perform a giant stride entry off a boat. - Correct Answer Stand on the
edge of the dive platform, check the water below to make sure it is clear of other divers,
put your right hand over your mask and regulator and your left hand over your weight
belt buckle, stand straight, look directly ahead and take a big step out off the edge of the
platform. Signal OK if everything is alright.
Name four different water entries. - Correct Answer 1. Giant stride
2. Controlled sated
3. Back roll entry
4. Shore entry
Describe the two emergency out-of-air ascents. - Correct Answer 1. Signal out of air
2. Remove regulator, exhale, and reach for your buddy's alternate air source.
3. Put in your mouth, purge and breath exchanging "OK" and "Go up" hand signals.
4. Donor should hold onto the receiver's BCD shoulder strap as you slowly ascend
together.
5. Orally inflate your BCD when you reach the surface.
1. Signal out of air
2. Donor grabs buddy, takes a breath, and gives buddy regulator.
3. Receiver purges and takes 2 breaths and passes it back.
4. Donor keeps hand on the hose and they both go up repeating steps 2-3.
How do you vent air from a BCD? - Correct Answer By holding the end of your inflator
hose over your head and depressing the inflator button.
A properly weighted scuba diver should float at _____________ when her BCD is
deflated and lungs are fully inflated. - Correct Answer eye level
How do you relieve a leg cramp? - Correct Answer By grabbing your fin and stretching it
out or having a buddy do it for you.
What is the reciprocal of a 200-degree heading? - Correct Answer 20-degrees
Define risk management. - Correct 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 quickly snowball into
a full-blown emergency.
Why should you avoid consuming drugs or alcohol prior to a dive? - Correct Answer The
use of alcohol and drugs greatly increases the risk of decompression sickness in divers.
What elements should you and your buddy agree on before the dive? - Correct Answer
a dive plan that contains objectives compromised by both divers.
Familiarizing yourselves with the dive site and conditions
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