SDI SCUBA Certification Exam Study
Guide | Correctly Answered and
Rated A+
Dive computers are essential for planning and executing dives
because they: - Correct Answer - *Help divers stay within the no-
decompression limits
*Monitors ascents and descents
*record all pertinent information
When entering the water through the surf, dive buddy teams
should: - Correct Answer - Maintain physical contact and time
entry to coincide with the lull between wave sets
The term repetitive dive is defined as: - Correct Answer - Any dive
started more than 10 minutes and less than 12 hours after a
previous scuba dive
To use a compass to navigate to a sighted object: - Correct
Answer - Point the compass toward the object, rotate the bezel
,until the witness marks are over the magnetic needle, and follow
the lubber line
Which of the following steps should be taken in the selection of a
dive site: - Correct Answer - *purpose of the dive
*degree of difficulty presented by the site
*Honest evaluation of your diving abilities and conditioning levels,
as well as those of your buddy
You should perform a safety stop at 15 feet for 3 to 5 minutes on
every dive. - Correct Answer - true
Residual nitrogen is defined as: - Correct Answer - the amount of
excessive nitrogen dissolved in our blood stream and tissues after
a dive
The term Surface Interval is defined as: - Correct Answer - the
amount of time the diver stays out of the water or on the surface
between dives
If you lose contact with your buddy, you should: - Correct Answer
- Search for no more than a minute by durning 360 degrees and
, looking up and down and then preform a normal ascent to the
surface
The reciprocal azimuth for an initial azimuth of 60º is: - Correct
Answer - 240
The recommended max ascent rate is: - Correct Answer - 30 ft
per minute
It is OK to share a computer with your dive buddy. - Correct
Answer - False
A dive computer keeps track of a diver's nitrogen absorption
levels so that the diver can: - Correct Answer - Stay within the no-
decompression limits on each dive
The term No-decompression Limit is defined as: - Correct Answer
- The maximum allowed time at depth without having to preform a
mandatory decompression stop during the ascent
The most important reason for planning your dives and executing
the dive per your plan is to: - Correct Answer - Prevent accidents
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