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SDI FINAL REVIEW QUESTIONS & ANSWERS RATED 100% CORRECT!!
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SDI FINAL REVIEW QUESTIONS & ANSWERS RATED 100% CORRECT!!
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Name: Score:138 Multiple choice questions
Term 1 of 138
Dive planning elements may include all of the following except:
Choosing the best dive site for the day.
Selecting the right equipment for the dive.
Planning the dive duration and depth limits.
Deciding whose computer to follow.
Term 2 of 138
Which of the following does not help to explain why, when both options are available, an
alternate-air-source ascent is preferable to any type of independent emergency ascent?
It is safer to ascend alone without assistance.
It helps get the out-of-air diver to the surface faster.
It allows for a slower ascent to conserve air.
It requires less equipment than an independent ascent.
,Term 3 of 138
Situations in which you might want to remove your weight system include:
Full-foot fins.
Detachable-blade fins.
Open-heel/adjustable fins.
Both the first and third answers are correct.
Alcohol use.
Computer use.
Drug use.
Both the first and third answers are correct.
Lean towards your right and dip your right shoulder.
Emergencies.
Controlled seated entries.
Small boat exits.
Both the first and third answers are correct.
Term 4 of 138
On most repetitive dives, your computer will provide _______ no-decompression limits than on
single dives.
Less strict
More flexible
Less cautious
More conservative
,Term 5 of 138
A regulator system may include:
A first stage and primary second stage.
An alternate air source second stage (or a connection to an alternate-air-source inflator on
the BC).
A submersible pressure gauge (SPG), which is usually part of an instrument console.
All of the above.
Tides can make the water at a particular dive site noticeably deeper or shallower than you
may have experienced previously.
Tidal currents can be very strong, making diving difficult or even dangerous.
Strong tidal currents can have an adverse effect on visibility.
All of the above.
Made within 24 hours of a previous dive.
Made within 48 hours of a previous dive.
In which your computer indicates there is residual nitrogen left in your system from a prior
dive.
Both the first and third answers are correct.
Hold the SPG facing down or away from you.
Term 6 of 138
The backward roll:
Is a technique for diving in deep water.
Is primarily used for shore entries.
Is a method for entering water from a dock.
Is chiefly a small-boat entry.
, Term 7 of 138
Which of the following is the most effective means of preventing a leg cramp from returning?
Increase your kicking speed to push through the cramp.
Slow down and switch to a different style of kick.
Stop swimming entirely and float on the surface until it passes.
Change your dive location to a shallower area to relax the muscles.
Term 8 of 138
Popular BC styles include:
Jacket-style (wraparound).
Horse-collar style.
Back-inflation style.
Both the first and third answers are correct.
Rapid ascents.
'Pushing” or exceeding your computer's no-decompression limits.
Heavy exertion and/or dehydration.
All of the above.
Is a backward roll.
Is the one the crew recommends.
Is generally the easiest.
Both the second and third answers are correct.
The exhaust valve you will be using must be the highest point on the air cell.
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