SDI Open Water Exam With Complete Solutions
Latest Update 100% Correct
Describe in detail, all of the steps to attach a BCD and regulator to a scuba cylinder. -
ANSWER Spin the tank around so the back of the valve is facing you. Put the BCD
band(s) over the top of the cylinder so 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,
holding first stage in left hand, rotate the chambers until the primary second stage sits
on the right. Take your first stage and screw the knob until it is finger tight to the end.
Attach low pressure inflator hose to the stem on the BCD's inflator. Turn on the air.
How would you check to see if your BCD is properly secured to your cylinder? -
ANSWER You pull upwards by the BCD and gently tug.
What is the point of streamlining your hoses and accessories? - ANSWER So that they do
not get tangled/ in the way.
Describe from first to last the procedure for disassembling your scuba system. -
ANSWER 1. Accessories and weights are taken off
2. Bleed the system: Turn the valve knob fully clockwise. Bleed one of the second stages
(purge button or the auto-inflator button to vent air remaining in the hoses)
3. Remove the LP hose from the inflator assembly: pull the collar back on the quick
disconnect. Unscrew the yoke knob until the first stage can slip off the top of the valve.
4. Let straps go and lift BCD off cylinder.
5. Equipment rinse fill/dump BCD
*Describe two important features of a weight system.* - ANSWER 1. To weight you down
2. You can use different weights
What do you do anytime the second stage is out of your mouth? - 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. - ANSWER 1. Depress the purge
button before inhaling.
2. Exhale into the mouthpiece.
What is the hand signal for out-of-air? - ANSWER Flat hand cut across your neck
The thumbs up signal means "OK." True or False? - ANSWER False
Describe two different ways to indicate "OK". - ANSWER 1. Pointer thumb touch
2. Fist on your head
Describe how to perform a giant stride entry from a boat. - ANSWER Stand feet toes
pointed outward on the edge of the dive platform, Always check the water below you for
other divers, Place right hand over mask and regulator, left hand over weight belt
buckle, Stand tall, face directly forward and take a giant step out off the edge of the
platform. Give the OK hand signal if everything is alright.
Name four different water entries. - ANSWER 1. Giant stride
2. Controlled sated
3. Back roll entry
4. Shore entry
Describe the two emergency out-of-air ascents. - ANSWER 1. Signal out of air
2. Remove regulator, exhale, 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 would you vent air from a BCD? - 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. - ANSWER eye level
How do you relieve a leg cramp? - ANSWER By grasping your fin and stretching it out, or
having a buddy do it for you.
What is the reciprocal of a 200-degree heading? - ANSWER 20-degrees
Risk Management - ANSWER A plan to prevent trouble and be prepared for a response
to any emergency that happens. Risk management means anticipate the risk, good
diving practice, and preparedness will know what to do in advance of the emergency
occurring. A problem quickly grows out of proportion into a full-scale emergency
without a plan in place.
Why shouldn't you take drugs or alcohol before a dive? - ANSWER Alcohol and drugs
greatly increase the risk of decompression sickness in divers.
What things should you and your buddy discuss and decide upon before you both get in
the water? - ANSWER A dive plan with objectives compromised by both divers.
Getting to know the dive site and conditions
Entry and exit points
Latest Update 100% Correct
Describe in detail, all of the steps to attach a BCD and regulator to a scuba cylinder. -
ANSWER Spin the tank around so the back of the valve is facing you. Put the BCD
band(s) over the top of the cylinder so 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,
holding first stage in left hand, rotate the chambers until the primary second stage sits
on the right. Take your first stage and screw the knob until it is finger tight to the end.
Attach low pressure inflator hose to the stem on the BCD's inflator. Turn on the air.
How would you check to see if your BCD is properly secured to your cylinder? -
ANSWER You pull upwards by the BCD and gently tug.
What is the point of streamlining your hoses and accessories? - ANSWER So that they do
not get tangled/ in the way.
Describe from first to last the procedure for disassembling your scuba system. -
ANSWER 1. Accessories and weights are taken off
2. Bleed the system: Turn the valve knob fully clockwise. Bleed one of the second stages
(purge button or the auto-inflator button to vent air remaining in the hoses)
3. Remove the LP hose from the inflator assembly: pull the collar back on the quick
disconnect. Unscrew the yoke knob until the first stage can slip off the top of the valve.
4. Let straps go and lift BCD off cylinder.
5. Equipment rinse fill/dump BCD
*Describe two important features of a weight system.* - ANSWER 1. To weight you down
2. You can use different weights
What do you do anytime the second stage is out of your mouth? - 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. - ANSWER 1. Depress the purge
button before inhaling.
2. Exhale into the mouthpiece.
What is the hand signal for out-of-air? - ANSWER Flat hand cut across your neck
The thumbs up signal means "OK." True or False? - ANSWER False
Describe two different ways to indicate "OK". - ANSWER 1. Pointer thumb touch
2. Fist on your head
Describe how to perform a giant stride entry from a boat. - ANSWER Stand feet toes
pointed outward on the edge of the dive platform, Always check the water below you for
other divers, Place right hand over mask and regulator, left hand over weight belt
buckle, Stand tall, face directly forward and take a giant step out off the edge of the
platform. Give the OK hand signal if everything is alright.
Name four different water entries. - ANSWER 1. Giant stride
2. Controlled sated
3. Back roll entry
4. Shore entry
Describe the two emergency out-of-air ascents. - ANSWER 1. Signal out of air
2. Remove regulator, exhale, 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 would you vent air from a BCD? - 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. - ANSWER eye level
How do you relieve a leg cramp? - ANSWER By grasping your fin and stretching it out, or
having a buddy do it for you.
What is the reciprocal of a 200-degree heading? - ANSWER 20-degrees
Risk Management - ANSWER A plan to prevent trouble and be prepared for a response
to any emergency that happens. Risk management means anticipate the risk, good
diving practice, and preparedness will know what to do in advance of the emergency
occurring. A problem quickly grows out of proportion into a full-scale emergency
without a plan in place.
Why shouldn't you take drugs or alcohol before a dive? - ANSWER Alcohol and drugs
greatly increase the risk of decompression sickness in divers.
What things should you and your buddy discuss and decide upon before you both get in
the water? - ANSWER A dive plan with objectives compromised by both divers.
Getting to know the dive site and conditions
Entry and exit points
